Holley Sniper Dumping Fuel! Completely Flooded Engine (Brand New)
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- Опубліковано 14 тра 2021
- Brand New Holley Sniper pouring fuel out of rear barrels and intermittently showing "No data" on the hand held
Some guys have reported that RFI issues can cause similar issues but for this one only swapping the throttle body out was able to fix the issue
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This is excellent. The same thing happened to my friends Mopar 440. Flooded so bad that it filled the oil pan with gas. Had to change the oil and it hydrolocked the engine. Had to pull the plugs and spin it over. I have the same setup in a 69 Road Runner on a 383 but no issues to speak of other than an o2 sensor fail. replaced with aftermarket equivalent and no issues since. But this 440 with the same issues you have here is crazy. Thanks for posting this video. Thought it was corrupted software so went through all the steps to update the handheld, ECU and it still does it. So it has to be in the sniper itself.
Thats exactly why i made the video! Hopefully you get it all sorted out
Awesome work man - keep up the videos - fantastic!
Just helped a friend with the EXACT same issue. Brand new unit, fired up and ran for 10 sec, stalled, and dumping fuel out of the back two ports (gallon+) After seeing the amount of replys to this video with the same problem, I recommended he get his money back and use another system. Its been nearly a year since he bought it though, so I doubt he will be able too. Will have to wait and see what luck he has with Holley support.
They certainly had a bad batch of units
This literally just happened to me. Thanks for the information. Dealing with an old Power Wagon and the directions are not clear for the old mopar wiring. Was pretty sure I did something wrong, but now it doesn't look like that. Double checked everything. Although before mine totally quit it was saying 30:1 A/F which is rich you could say.
Sorry to hear that man! Have you talked to Holley? Are you getting a replacement?
@@cuttersperformance Just called and yeah full replacement no charge. It's a bummer, but at least they are doing something about it.
@@subwoofer8865 im thinking this is going to start becoming a issue with newly built ones. I was originally told they never heard of this happening before
@@cuttersperformance Personally I think it has something to do with the IC chip shortage across the country for new vehicles. But I am not sure where they source the chips from, so who knows. I hope this isn't going to be a common issue either.
Same exact thing happened to me on initial start....Fuel pouring out rear barrels ...had to change oil and filter. The good news is Holley's awesome Support. I told them the exact same thing -- "Brand New Holley Sniper pouring fuel out of rear barrels and intermittently showing "No data" on the hand held" ...and within 2 hours I received an email that a Brand New Replacement was being sent out. Like everything "Mass Produced" these days, there will be some bad ones....However with 1000's and 1000's of Holley Sniper EFI's being sold , you only hear of a very few instances. Even the Holley Rep told me , that it does happen but , the vast majority work perfectly.
Nelson performance LLC we just had our first one to do the same thing i diagnosed it was bad unit seat down tonight to see if any body has had this issue seen yr video thank for making it.
I'm so far behind extremely busy in the shop I got to catch up on your videos
I absolutely love my sniper system. I'm using the hyperspark distributor, coil, and cd box too. I've never had an issue with mine... aside from a header flange leak that caused the sniper to think it was running lean when it wasn't. The sniper started to self-learn and tuned some of my cells super rich. Luckily I caught the issue and turned off closed loop and ran off of a slightly older tune. On my daily driver, my closed loop compensation flutters between 0 and -0. It's very rare to see anything over 2%. I tightened the header bolts at the head and she's been good ever since. I do wish I'd have gotten the super sniper. I'm out of injector. I didn't realize I'd go boosted when I bought my original sniper 4 years ago. I've been centrifugal supercharged for about 18 months.
Snipers works great! I've used them NA and boosted and have great luck with them. But this one....man she wasn't happy hahaha 😂
Can you upgrade the injector to supply more fuel.
@@SubePelayo928 no. I'd have to upgrade to a super sniper with 8 injectors.
If I do swap my sniper, I'd probably switch to multi-port injection and use my sniper on a different project. I love holleys software so I'll probably go something with the terminator ecu.
@@EricErnst I read somewhere that the 4 injectors in the sniper can be replaced with E85 injectors or higher flowing injectors. They won’t match the 8 1250 injectors. But may gain a few more ponies
@@SubePelayo928 I hadn't heard that. I'll look into it. I would love to run e85, but even gasoline is a stretch for my setup.
Same thing happened to me but it was front injectors. Key off and just dumping fuel. I had to pull the main fuse to get it to stop. Holley didn't even ask me any questions just said "yup,bad ecu" summitt sent a new one that day. New one runs great so far
I think I got an early one to this issue; it's becoming more common. Some having severe engine damage
Mine did the same thing. Holley is sending me a new one. They were great.
This is getting more common, but glad they helped you out!
Hey I found this video a possible life saver, I install the whole thing by the book and I actually did it with the help of the dudes from summit racing in their app chat room and we did it perfect, but now my problem since it was installed is that there’s no way to get it to idle properly I set my plate screw one full turn, basic idle at 850, iac between 2-12% , timing the engine with a timing light and set timing to 15• and this thing keeps surging and the iac keeps sucking air like there’s no tomorrow. Now that I watch this video I realized that maybe my coil is the culprit since is literally next to the sniper is the reason this sniper is going nuts. I’ll relocate that coil far away from it and see if that solve my problem. Thank you dude and if I get stuck tomorrow would you mind give a brother a hand with this? Is just driving me crazy
Hey man! Hopefully we can figure this out, I've installed quite a few
A couple questions
1) did the engine run fine before with the old carb or system?
2) where are you getting your rpm signal for the efi?
3) does it run fine when revved up but just wont idle?
This just happened to me, ive installed a 100 of these, but this is my first one to go red on the handheld, and flood over. but it scared the crap out of me. It's a dud. Good video
Yeah its wild, the amount of fuel that comes out is insane
@piss-cutterperformance I just sent it out, they said it needed to be "repaired" I kind of feel like they should just send us a new one asap, but they are hard to come by at the moment I guess.
Hi there, I live on the Gold Coast Queensland Austrailia and I have a 1998 Wellcraft 2600 Martinique with a 305 mercruiser V8 engine that we just finished totally reconditioning the whole thing.
We went out today after tuning it to give it a test run and noticed the screen was reading no data just like you experienced, but then it would run like shit so we stop and unplug the wire adaptor (thinking it could be a bad connection) and then the screen started working fine again so we start the engine and then on our way. We get to about 3000rpm's and the whole boat just dies/stalls.
we then unplug the adaptor and plug it back together and then fine again, so we head of again and as we were just slowly moving at 1700rpm's the motor desides to come to a sudden stop with a lock up noise so we take a closer look at the holley and notice quite a lot of raw fuel that has come out from the holley and sitting on the manilfold. We suspect hydro lockup from the fuel so we take out all the spark plugs and then try to turn the crank but still locked. I am going to take of the starter motor and try to loosen it with a screw driver on the fly wheel and hopefully that free's it up but if not it looks like motor out again and a another rebuild.
Should I call Holley and get them to replace it (and fix my motor also lol)
Sorry to hear about this man! You either have some serious RFI issues or a faulty unit. I would certainly give holley a call and let them know what happened
Same exact thing just happened to me..
I've done numerous Holley EFI and this is the first of this kind to me. No Data , front injectors poring fuel, hydro lock..
Just found this on your channel...Calling Holley in the AM.
Hopefully you get it all sorted out!
@PISS-CUTTER Performance new unit installed. No changes to prior installation and it's running perfectly!
So same deal! Bad unit! Replacement unit is working like all the others we've installed!
Mine did the same thing I bought the same kit and my supplier wouldn't ever get back to me (J🥚's) I am very disappointed in J🥚's customer service. I was pretty sure mine was a dud too but I ran the ignition positive wire to my fuse block instead of my original distributor wire ignition source and it worked fine. I couldn't get a hold of holley either. Mine actually locked my engine up and caught the top of my engine on fire luckily I had an extinguisher on hand. But hard to trust is something I go though everytime I start this thing. And mine is on an 82 chevrolet el camino 355. Thank you for making this video to warn others I don't understand why mine starting working but it did and I'm not totally convinced its still right but I guess I'm stuck with it!
Wow two other guys already with this issue. I'm glad I made a video because I couldn't find much info when I looked.
So yours is working fine now? How long has it been?
@@cuttersperformance I bought mine on Feb 22 2021 and didn't get it till a week later but I was excited to say the least but very disappointed when I got it hooked up and it ran very poorly and eventually stated dumping fuel out of the back 2 barrels locking my engine up and right before it locked it backfired igniting the raw fuel which as you can imagine was a scary moment for me but the key was not to panic and I grabbed an extinguisher and put it out! I was in tears and couldn't believe what had happened I thought for sure I did something wrong but seeing your story I guess I didn't. But J🥚's wouldn't help and I could never get ahold of Holley so yeah I don't know that I will buy another one of these. As I stated before I moved that wire after the next day and everything fired right up and has been fine since. I got like 400 miles on the system and its been good except for when I tried to hook up progressive link to it and set it up in the handheld and when I tried to use that program it made my engine run the same as day one so i just took that off and live with a hard gas pedal that feels like it sticks closed!
Man I would try contacting holley, I wouldn't trust it.
Try this email tommyrigsby@holley.com
@@cuttersperformance thank you I sure will!
I had a similar situation, the rear barrel on right side filled with gas when ignition was turned on and the pump was priming. That was a dud and became a paperweight, it was a brand new 4150 sniper efi. Holley said keep it because the shipping charge was too much. In return they sent me a refurbished super sniper. With about 500 miles or so it is still working fine.
My issue exactly, mine is filling the back barrel on passenger side
I have installed 3 black Holley sniper units. All 3 were replaced because of the same issue. They sprayed the black powder coating inside of the unit. the easiest way to see is to take off the left side cap that the return fuel line connects to. then pull out the diaphragm that's behind it. You will see it has black powder coating inside of it where it is exposed to gas and it will peel. 2 of the 3 just wouldn't run after the screen on the diaphragm clogged the 3rd saw fuel pressure issues and just went WOT on me with zero throttle control, that was scary. If you have a black unit check that out, Holley replaced all mine with a brand new one but they send out a new one with the same issue. I would recommend not getting powder coated units for replacement.
Wow thats certainly a wild issue, basically plugging up and dead heading the pump to full pressure
I install mine 5 years ago and love it my problem now I replace the complete wire harness now i have no power at the coil cranks over wont start cause no power com coil connector the brown & orange wire could be interference cause the coil is close to the carb, I will try that .thanks very good video.
Thanks for the info
Out standing info , I had a NEW SNIPER and it destroyed a performance 427 chevy.
I have this same issue on a manual transmission car , slugged the motor shorten rods ,damaged pistons ,washed out the bearings trashed the crank and spun bearing . All this happen In 3 to 5 minute trip,engine died I clutched the car car coasted to bottom of a hill I let the clutch out ,car restarts. This happen multiple times , the car was towed home . Contacted Holley ,blah,blah , blah like a dozen times , “ this can not happen “,they kept saying . Sent the unit back ,Holley said not defective. Then unit was reinstalled , problem happened again ,this time in my driveway.
Motor expired minutes later , yes we changed oil, but the damage was done. “
Holley said no worries prove it’s the unit.
That was in June , Holley has been sent and resent videos ,parts and the unit and they still refuse to MAN UP AND MAKE THIS RIGHT.
Holley has again requested the unit,it ships to them today.
Again I was promised by Holley’s rep they would pay for repairs. No labor just parts.
THANKS YOU MADE MY DAY. You just provided proof..
ED
Thats exactly why i made this video, for guys like you.
Sorry this happened to you
Ive installed many snipers and haven't seen this before that time.
Did you notice with yours it was only two barrels spraying fuel?
I had exactly the same issue. Freshly built 454 with some serious money spent on parts . #7 lost like 15 PSI compared to the other cylinders . Pulled it out of my truck and installed spare stock engine with a quadrajet. After 3 years i am finally getting ready to dismantle my motor and see what happened. My two other buddies had this happened to them as well. No wonder they came up with version 2 of this setup. Feel a bit sour about that but i aint no wimp. Will get that motor running again !
Similar situation. Was running sniper for 6 months with HEI. Installed hyper spark, coil 20 inches away. Cranked right up, two seconds later got “no data” and died. Had to removed sniper main fuse to reset. Tried again and same result. While in no data mode and engine not running fuel pump did not shut off like it usually does after a few seconds. Did not notice at first. Repeated several times until engine hydro-locked. Pulled plugs and gas poured out. Cranked engine with plugs out and had engine bay fire - my stupidity. In my case the fix was shielding all the sniper wiring. Did not have rfi issue until hyper spark installed.
My Holley sniper on my car just started doing this exact same thing kind of crazy because it’s been running fine for almost 2 years but it’s filling the barrels up with fuel!! I tried to call Holley tech line I was on hold for 30 minutes got tired of waiting maybe I can get up with them tomorrow.
I know someone who just went through this ! Interesting for sure!
This just happened to me a few months ago. the problem was the ECU was bad, And Holley was backed ordered for two months. so i had to buy a used unit online to get my nova outta the shop.
for that being said i have an extra unit now for sell. Once new one showed up every thing was good except o2 sensor bought a aftermarket one and now i have zero issues
Glad you got it all sorted it, definitely seemed like there was a bad batch of ecms
Running Sniper on a Chevy 350 & now a year later having a constant 80 psi issue. Installed external fuel regulator did not help..hoping it’s just a clogged fuel line? Or the internal regulator is faulty?
Check out this video ua-cam.com/video/B18MUtE1lP8/v-deo.html
I just had the same exact problem with my Holly Sniper. It was running fine and I started the truck after sitting a few days. It ran a bit rough but I let it warm for a minute. I went to back off my lift and suddenly the truck stalled and NO DATA across the screen. I started to smell gas and when I tried to start the truck again, the engine was completely hydrolocked. I discovered massive amounts of gas in the manifold valleys and quickly disconnected power. I removed the spark plugs and gas just gushed out of a few of the cylinders. Insane amount of gas. So I’ve let the truck sit for a couple of days without the plugs hoping we can try again. The next day I also noticed the front of the sniper to be warm like current passing through it. I disconnected the ground just in case. I’ve now put plugs back in and reconnected the ground. The sniper is cold so no current. We’ll see what happens. Thanks for this video. HUGE help and I’ll likely be calling Tommy at Holley as well.
Carbs for the win!
So any idea why mines will run for about 10 miles or so and then stall? Runs fine then starts to sputter and dies after about 10 mines or so. I let it sit for about 3 min or so and then it starts back up and runs another 5 miles or so and stalls again. It can do that over and over. Stalls, sits, turns back on, runs and stalls again. Any ideas?
Are you getting "no data" or anything weird on the screen when it stalls? Are you losing fuel pressure before it stalls?
Thanks!
They have a quality control issue on these Snipers. They are either great or shit. I just installed one and posted my video of our experience. Owner took the car home and it's still not right. I went over there to change the plugs since i had 8 gallons of idle time on them. Started right up, sounded better but not right. Pulled the air cleaner and noticed one injector isn't firing at all. Holley wants to assume either the install isn't right, fuel pressure wrong, RFI/EMI interference or bad grounds. Been though their checklist a dozen times, and I get it. They gotta cross the common things off their list. But not once did they mention to check the injectors, or the shitty connectors on them. I stressed how I think something is wrong with the unit itself but they don't wanna hear that from me. I am 100% confident in my install. I am very particular on how I do things. We even swapped out a perfectly good MSD for a complete Hyperspark and still had issues. I had a few different issues that I resolved and seemed to cure the RFI/EMI issues which I believe was the 10 pin connector causing it. Ended up un-pinning all but the tach output and the car now runs with the air cleaner on and hood closed, but still shitty power. We will see what Holley says about the injector today. We want a replacement unit because I think the one we got from Summit was opened which raises some questions.
I pinched a wire and shorted the ecm out and Holley replaced it under warranty. They the shit
RFI can also be an issue if you don’t connect power for sniper directly to battery, so I heard. Don’t power it off solenoid.
Holley needs to shield the units better! I had RFI issues. Had to place a shield between the unit and the distributor.
I agree! What ignition system are you running?
I’m so glad i went with a new edelbrock avs2 instead of one of these things. After a few jet/rod changes, it’s nothing fancy but it just works.
I am thinking about putting the qjet version on my boat (marine 5.7 mercruiser) along with a vortec head and spring upgrade. Have you ever used the qjet version? If so what are your thoughts?
I haven't used the Q jet version but its basically the same except the look so im sure it will work just fine for you!
Snipers’s are pretty decent for $1000. The last one I put on had a weird issue where I had to extend the actual throttle linkage on the sniper itself to get more leverage so the throttle would open smoothly. Anyone ever run boost through one and are you happy with it?
Everyone I've put on a stick car ive had to extend the thorttle linkage so the throttle wasn't overly sensitive.
I've ran them with boost and they work great! Timing control works amazing to. I've used them with dual plane intakes with a 1 inch spacer but if you are running boost I'd suggest going single plane for better fuel distribution
I hope you use the iron 200 cc heads on one of the builds.
Or maybe on a 383 stroker build 😎
@@cuttersperformance i used the early sportman II heads on a 383. They are a perfect match through 7000 rpm.
@@approachingtarget.4503 Any tq loss issues with the 200s?? Have seen a few sets for sale, hear both too large and Ok for a street 383..
I personally would love to hear a Holley Tech respond to this issue here. Tell us why this is happening. I would like to know the exact cause. Changing oil and Filter a Flooding my Cylinder walls on a Rare valuable Pontiac 428 C.I. Engine has me a little pissed off. I installed the complete System from the In Tank Pump, The Hype spark Distributor, CGI Box, Hyperspark coil and the 550-510 EFI. Holley...What's The deal Please explain !
Yes sir 100% ive installed many snipers and this one is the first one Ive had this issue. I'd love to know why!
@@cuttersperformance Where are you Holley ...why is this happening ?
happened to me exactly last week, after 300km of smooth EFI operation engine gets flooded up to hydrolock - starter was unable to turn engine thats how I figured out what happened. Full cylinders of fuel, a lot of unburned fuel from exhausts. Pressure ok, coil and ignitiond faraway from EFI so no RFI issue, nothing was changed on car or engine it simply went crazy suddenly.
Hopefully no engine damage! Holley knows more about this issue now. When it happened to me I got the "we never seen this before". So hopefully they can help you out
I have multiple sniper 650s 1250 weirdest issue I ever seen is over fueling due to reluctor wheel hitting the hall effect sensor inside the distributor cap, from that point I could grab the 3 wires coming out of the distributor pull down it would go all to hell reading lean on the lcd but it was actually over fueling, push the wires up and so the sensor stopped hitting wheel and it would run perfect , took me forever to find this changed everything twice finally got to the only possible issue was distributor an tada there was the issue hope this helps some lost soul 1 day
Well that's not good, just spent 2200$ to convert to holley super sniper stealth, took my time installing it "over a week " went through all the steps , verified everything and the engine fired right up and ran fairly well. I let it run about an hour, never drove it. The next evening I done a cold start, while monitoring the handheld the screen froze, everything went red and cut off. The fuel pump continued running and hydraulic the engine. Fuel was everywhere. After clearing all the fuel I restarted it and ran fine again for about an hour. I hope it's not a junker too.
Thank u...I am having this issue..there sending me a new one....mine is a sniper stealth 4150
Yep i just went through this verbatum, going to post a vid of the data dropping out had to keep unplugging fuel pump relay to clear it out. Has not run longer than a few seconds.
Crazy how this is really becoming an issue. Holley said they have never heard of it when I had the problem
@@cuttersperformance Rick at Holley is telling me its RF, on the phone with them for 2.5 hours. I think its either the processor on the tbi unit or the hyperspark box. The screen saying no data on all sensors makes me think its the tbi processor.
@@gregoryandersonmotorsports they originally told me RFI. It was probably my 5th sniper and ive installed many other fuel injection systems with no issue like this.
RFI can be an issue, and i did have rfi issues once with another sniper instal but it would cause the tps signal to randomly drop out.
In my case it would fine, them all of sudden "no data" across the screen and just just start dropping fuel out of the back injectors full blast
I changed nothing but the sniper unit out and the problem was gone, and has never returned.
You can try temporarily wrapping the sniper, coil and wiring in tin foil to reduce rfi
@@cuttersperformance Just installed a sniper i had for a 360 jeep motor i built (new unit out of box ), i wish i had done it 2 days ago, wow frustrating. Works no issues. Getting ready to call Holley again armed with all my evidence. Thank you sir!
Perfect! Hopefully you can get it all figured out with Holley!
Cheers!
That just happened to me - data stopped and it just overfilled the back 2 and ran over. I let it sit for 30 min and tried again and it did the same thing - very disappointing
Yeah I wasn't happy either haha I've installed many snipers and now I'm questioning these newly made ones.
I did have a subscriber that had a similar issue to ours and he said it was an RFI issue. For me that wasn't the case as the only fix I could find was to change out the throttle body
So, this set up, I’m seeing others having issues, is this thing reliable enough to take road trips with?
Well there are a few bad ones but ive ran a sniper on my daily for 2 years and it hasnt let me down
No no they are not!!!
I’m currently experiencing the same issue, I took video of it, I’ve had the sniper on for about 8 months now and this is the only issue I’ve experienced and it just started a few minutes ago. Did you find out what the issue was? Tried to call Holley but I was on hold for about a half hour.
They ended up sending me a new unit and never had an issue again.
RfI can cause a similar issue but the one I had was just faulty
I’m waiting for a reply from a Holley rep to see what they are gonna do. I was driving it and it started to cut out and run really bad, pulled over and seen it was pouring gas out of the back passenger side bowl, but I don’t believe my handheld said error or anything. I believe it just showed the normal screen. I remember also the sniper developed a clicking sound out of the blue previous to this issue.
@@travisburnem2147 did you check fuel pressure?
Yes, it’s 60psi
@@travisburnem2147 chances are you have one stuck injector or a bad ecm
I keep losing O2 sensors and then it fouls plugs. Apparently o2 sensor fails are a common thing with sniper. Any idea?
Ive had pretty good luck with them but I have seen them fail when they are installed too low in the exhaust pipe allowing condensation to get into them.
@@cuttersperformance that could be my problem. Car is in building with AC and then goes outside in hot humid conditions in the south.
Whats the difference in the regular one and the one that's says it's made for boost ?
Maybe just comes with a 2 bar MAP sensor, I guess it's built in to the throttle body?
@@rotaxtwin well I think 2 bar is around 29 psi. So I wonder if I could run 5 to 7 pounds of boost on one ?
You can run boost on a regular sniper. I'm planning on doing this on my truck coming up.
The super snipers have more outputs for boost controls, nitrous, ect and can be used on a draw through system with a external map sensor.
@@cuttersperformance sweet .....
I may try it on mine. I thought I couldn't put boost on mine because it wasn't the power adder version.
But I built a draw through turbo set years ago on a 455 Buick With a carb. Ran great. I thought I might try that with the sniper. But if I can put a hat on the one I have and blow through it. I may just give it a try
I’m having problems with mine
My AFR keeps going under 12.0 and goes crazy revs high plz help
Make sure you dont have any exhaust leaks before or around the oxygen sensor.
You also may have a faulty o2 sensor
I just ordered a 02 sensor
And idle motor hope it fix my issue Ty
Out of warranty just cruising and this happened to me. Sent it off to Holley, 6 weeks and $250 later got it all plumbed back up, turned the key and it did it again. I think I'm done with sniper.
Mine did the same thing had to send it back and get another one
Just installed one and this EXACT problem happened. Runs fine for a little then suddenly all "no data" on the screen, sometimes stayed running and reved or sometimes stalled, when it did then flooded from the rear injectors. Then other times it wouldnt' flood but even with the KEY OFF after it happened the fans would stay on or the fuel pump would stay on. Would remain all "no data" on the screen until fully disconnecting the battery. Gonna call holly tomorrow. Hopeful they'll replace it with the new generation, we ordered ours like a month before the new one came out :-/
Yeah its wild when it happens. Sorry to hear that you're having problems. Hopefully, holley sorts it out for you quickly
@@cuttersperformance just got off the phone with holly, we're outside the 90 day return window so they want it shipped to them to be repaired and sent back (no charge). Annoying they won't just swap the unit with the sniper 2 which fixes this nonsense but at least they're fixing it. Problem for me is I bought the unit 5 months ago but just installed it now. Oh well, at least they'll fix it.
That's the exact same thing going on with mines, the screen turn red n shutdown n it flooded the the entire thing with fuel.
Hahaha great story dude
This has happened to my buds C3 Corvette. Worked about 3 hours and floods like crazy.
Its crazy how much fuel comes out!
@@cuttersperformance looking into RFI/EMI soon and remedy any found. The Holley Sniper EFI is not insulated at all.
FYI the issue for my friend was the coil wire touching the intake manifold!! literally did nothing but push it over a bit and it ran great afterward! A bag of zip ties will now be put into effect!
Same fuel pouring issue? Haven't heard that one before. This issue seems to be the most common on the black power coated units
@@cuttersperformance Yep. same exact issue you described, after being fired up it would stutter then die (only code was a TPS code), and dumping fuel out of the back 2 ports after dieing and only stopped if you turned off the key or pump timed out.
Dang my friends one is doing the same thing...
Same exact thing. Geez I hate I ever thought of this garbage. 2500$ pain in the butt.
Sorry tonhear that man. As much as it seems bad, this is a rare issue. Can be caused by RFI but often times a fualty unit. Ive installed many snipers and typically dont have issues. Once setup they are very tunable and work great but totally understand why you aren't happy
Never did like the idea of this type of fuel injection setup. Seems like an expensive tbi system. I'll stick with multi-port
Multi port is for sure better but these work pretty good
So my flooding ,filled liquid in the intake and when engine was turned over ,this went into the cylinders,and because the car was coasting , the engine was forced to turn over . Damaged crank rods and pistons,instantly .
The rotating assembly is junk, 4500$ to repair. After 8 months and videos showing fuel standing in the throttle bores and fuel running off the intake manifold . HOLLEY SAID ITS NOT DEFECTIVE , because they could not duplicate . Beware of Holley . Or better before you spend 2500$ on this system just try to hey thru the teck line.
This unit has been to Holley 3 times before and after was always returned “good”. Well it’s not good with me.
My Take ,avoid Holley period .
Man! Sorry to hear that, thats very much worse case scenario. I dont know whats going on with these lately
why is that throttle body got efi attached to its name?
Haha not sure what you mean?
@@cuttersperformance that is basically a throttle body but instead of two nozzles like on a chevy it has four
@@allankwiatkowski9086 yeah exactly its throttle body injection, like the old school GM TBI but much better haha
Why wouldnt it? Its still EFI....Electronic Fuel Injection...doesnt say port injection.
@@cuzz63 ????? it is still similar to a throttle body
Shit, having the exact same issue.
RFI
This video could’ve been summed up in 60 seconds or less
Had this issue
Return it and said it was a software update
O damn! Did they update it and send it back?
@@cuttersperformance yes
@@cuttersperformance think it cost me about 90 dollars been a while ago
Warranty was expired
@@hulk7622 I wonder if a software update actually means, swap out the ECM haha
@@cuttersperformance lol don't know , very good possibility but they would never admit it.
So much junk. So little time. Ur lucky you did not burn it down. If had trouble with THAIR BRAND NEW CARBS TO. POOR QUALITY.
Yeah it really knocked me back a few notches with suggestion them to customers
Tearing the hyperspark and sniper off, tired of the bullshit from this system..
Dang sorry to hear man, what problems are you having?
Get to the point to long talking about nothing
Sorry I do ramble on somtimes