How to diagnose a rough running Ford Falcon
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- Опубліковано 12 вер 2024
- In this video I walk through how I diagnosed a rough running Falcon and the issues I ran into along the way. The error code P0356 appeared on my diagnostic tool. From there it was all about eliminating everything until I found the source of what was causing the issue.
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Please note: I am not a qualified mechanic, I just enjoy working on cars in my spare time and I want to bring you along on my journey. Modaufy Garage assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. All cars are different and what works for me, might not work for you. Working in or around cars can be dangerous so if in doubt talk to a qualified mechanic. Just remember to be safe at all times.
thanks mate I did the same intake manifold gasket
Great video mate
Thank you very much
You covered all bases to help me a non mechanic
Cheers 👍🏻
Thanks for the positive feedback. I hope you figure out what might be wrong with your car
I can hear air sucking in at cylinder 1 right where the intake manifold meets the head, sprayed some aerostart and idle dropped, I've got high idle, and fuel economy is getting worse, I guess the gasket is cactus.
It sounds like you’ll need to replace the gasket.
Thanks mate just going through the same thing atm , new coils spark plugs and fuel injectors and still missing so going to look at the gasket next 😂
Fingers crossed that fixes your issues
Definitly your problem will be solved when you change spark plugs 6 gaskets and 2 VCT valve gasket on rock cover and it will prevent leaking oil in spark plug well.Make sure to puchase rock cover gasket kit from Ford ,because aftemarket is not good and after short time rubber and seals will be hard and leakage in spark plug well will be again.Inatake gasket is from paper and usually they breake on clynder number 1 and if your idle were hight in park or neutral over 800rpm definitly vacum leakage is problem.Test for vacum leakage can be done from home made smoke detector easy to make or 1 metre hose you conect on brake buster and close trotle body hole with plastic gloves and buy one big cigaros and push smoke in true hose and if you have vacum leakage smoke will come out on damage part like gasket,O rings injector or other conection.Before changing rock cover gasket tray lock more top rock cover bolts and maybe you will prevent leakage on clynder number 1.2.3.
The problem was solved once the intake manifold gasket was changed.
I have a rough idle when stopped (brake pressed, in drive), my rpms are stable, but my car just vibrates a lot. I have put new spark plugs, checked coils, did smoke test, changed one leaking fuel injector (that I thought was leaking) and its orings. I still get rough idle and my long term fuel trim is -25% in Park, and -12.5% when in drive and stopped. I am guessing my fuel injectors are not spraying properly or leaking. Will have to change those.
That seems like a weird problem. have you tested the intake manifold gasket?
@@modaufygarage Hi, thanx for your quick reply. I did a smoke test and found smoke emanating only from one fuel injector to head interface, so i'd hope it should smoke thru the intake mani. gasket as well if it were leaking. Also, I dont think I would be getting consistent (not sure why they are so exact) negative fuel trims if I had an air leak. The o2 sensor seems to be working ( I put in a new one, but car was vibrating even with the old one), the fuel trims do fluctuate and my short term fuel trim is good, always b/w -5/5%.
Great video
Thanks!
Heres one got bf falcon gas ...in morning drive for 20 mins get a miss and loss off power has stopped come back 5 min starts drives fine ...codes say cam sensor l replaced them ran fine for week problem came back any ideas
Sorry mate, I don’t have any experience with gas. Could it be with the wires?
Just got it fixed ...turns out the gas converter needs hot water thru it mine was cold so gas was freezing which inturn stalled the engine or surging also set the cam sensor off ... replaced cam sensor didn't fix it obviously...was there's a trans cooler was blocked no heat at heater and converter ....runs mint now
@@DanHickey-q3s glad to hear it’s all fixed now.
Leaking manifold gasket putting more air in lean mixture trip a code ecu trys to compensate riching up fuel trim so will o2 sensor a little bit of knowledge is dangerous its fun to diagnose engine problems 😮
It's lots of fun, and when they are fixed it's so much better
Yer mines lpg wagan factory. It starts then wants to stop. Have had mechanic do new points plugs and battery, runs nice when goin but after start shitty. Gettin ignition done next week hope helps. otherwise im f...ked, thanks
Not f...ked but be to lpg specialist. it cut out once goin up a hill. Scary cos on a corner. Thanks bro.
Plus side was great on fuel till then'
Have you managed to get the car working properly?
I have my fg ford xr6 turbo I scan the Car new spark, plugs, new coil, fuel, filter, new and clean the throttle body cleaned. Everything steal the Car vibrate at the top help plz and also, I checked the engine mount
I'm not sure with the FG's however have you made sure that all the exhauist manifolds are tightned to spec. Also check the inlet manifold gasket and see if there is a leak
@@modaufygarage For Ba falcon is 3 step 20Nm lock manifold bolts with blue thred lock on bolts ,but BF has plastic intake and maybe different spec.If you take out air box you will have plenty room under for all bolts if you replacing intake gasket which coast aftemarket $20.
IN THIS CASE A WASTE OF TIME AND MONEY SWAPPING OUT THE COILS, THERE HAS TO BE A WAY OF CHECKING THEM.
Yes, changing them was a waste but that's what happens sometimes. I did have a couple of spare ignition coils at home and I tried putting those in first. When there was no change that made me think it was the coils.