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Yes sr I once worked on a Toyota that had a no charge condition. Shops before me replaced the alternator twice. Actual issue was the TB was too dirty causing the idle to be too low and causing a no charge. Crazyyyyyy
Fantastic, thanks dude. I wound up with an ‘07 Suburban and I am working on restoring it, had a p0121 code and a nasty throttle body was indeed the issue. These GMT900’s have their little issues, but they’re generally pretty easy to fix if you catch it early and take care of them! Next order of business is to disable the cylinder deactivation system before it spins a lifter and destroys the cam…
That is a stupid feature which actually causes more harm than good. Firing on ALL CYLINDERS isn't just a phrase.. In the long run it ruins the cylinders. I'll keep my 01 Yukon until the subframe falls off 🤣. Don't get me started on the electric vehicle scam.. We are being governed by a bunch of dumb asses!! 🇺🇸 1st 4ever
This is an excellent video I have a code 121 on a Lincoln Town Car 93 and I did not know it was a performance issue. Brand new throttle position sensor and I got that code and sometimes it's dead sometimes it's not I will clean the throttle body thank you for the information
Thank you for making this video! I have that P0121 code on my 2008 4.8 silverado with 104K on the clock..I dont know if its ever been cleaned because I bought it a few months ago. My throttle is also runing at 21% .But the wierd thing is that its reading only 80% when I press the throttle to the floor with the engine off of course... I'll be cleaning it up this week. Thank you for your help.
I currently have a code p0121 on my silverado thanks to you and your vídeo no need to take to mechanic. Just one question is there a certain throttle body cleaner you recommend
I just did this on my 2011 Chevy Silverado Lt Z71 and now it's stuck in high idle 3088 rpms I tried the relearn procedure like 6 times it ain't doing anything and I put it in reverse to drive it but it wouldn't go anywhere probably too high rpm idk this has me so mad right now I did exactly like you
I'm planning on cleaning the throttle body on my 2018 Silverado 5.3L with ~64k miles due to rough idle condition. According to the trucks tack the engine is currently idling at 500rpm, which I believe is a bit low. If my throttle body is as dirty as I suspect it is I'm thinking my idle speed should go up a bit after cleaning. What IYO is a good idle speed for a 5.3L in park?
Hey bro I have a ‘01 Trans Am. I’ve been annoyed by P0121 for two years. I spent $600 dollars at a shop and they couldn’t resolve the problem. My throttle body has never been as dirty as the one in this Silverado. So here is my question. Is it positive for a bad throttle body to cause this problem? I’ve cleaned it many times and I still get the code and piss poor engine performance.
Great video, amazing information. Thanks! Question, if I don't have the resources to do preform the throttle reset/relearn, would it cause further damage or incorrect readings?
Not that I know of. I’ve heard driving it but I’m not a big fan of that, because you can cause a wreck or damage the transmission. Just best to take it to a shop to get it calibrated
Cleaned the tb and put it back on did the run for 3 minutes and off for 1 min 3x it made the idle go down but while coming to a stop after about going between 40 to highway speeds the rpms jumps. Is it still not relearned. Or would a new throttle body position sensor fix it?
If you had a customer with P0121 and P0573 codes...would you let them leave and tell them it was not an issue? This happened to us and we almost died....ugh
So I cleaned my throttle body out and when I started my tahoe, it went to 2000rpms and climbed to 2500rpms. I don't have the fancy snap on computer but by sct scanner gave me the same code after 3 starts. Thoughts?
I just cleaned my throttle body of my 2003 GMC Yukon and turn on the truck after I was done and it turned on and then turn it off and turn it back on I repeated this step about 3 times and everything seemed working fine so I turn off my truck and went inside my house. 30 min later it was time to pick up my son so when I tryied turning the truck on it didn't do anything it doesn't crank or nothing ? Has anybody had the same problem or anybody nows what it could be?
Hey Oz great Video...was wondering if you would know how to do the eng rpm relearn without the scanner you have...I only have the regular obd..am working on a 2011 chevy colorado 2.9
I had the same problem with my Yukon. I had the throttle body cleaned and instead of the RPM's going down they went up! Can anyone tell me what I did wrong ?
Same thing happened to me. 2007 Chevy just like this guy. RPMs went up. This sucks. Dude, edit your video before other people keep screwing up. My truck was running fine. All I wanted was a quick fix to the light coming on.
On the thumbnail I did put that this might need an idle relearn and I also do say that in the video and also perform an idle relearn on the video at the 6 min mark. Pretty much putting it out there
Read the description on my video. It explains that some vehicles my have excessive rpms after cleaning. Needs to be re learned using a a proper scan tool from a professional shop
@@OzMechanics I do have a OTC ODB unit, I am not a total backyard mechanic failure, I will give it a try, clear the code and see what happens. Calyforny smog is hitting it hard these days, thanks.
I taken plastic apart on throttle position sensor and throttle pedal both have a real light layer of gold to conduct circuit of electric on mine throttle position sensor gold was wore Off at mid speed would it goes into limp mode replaced throttle sensor good to go what a joke chevy could be very dangerous should be recall mine only has 70000 miles
Thought this was a home do it yourself video. This is for diagnostic professionals. 2007 Chevy Silverado. Cleaned it exactly how shown and RPMs went up and stayed up. Now I read the replies and see that I need a scanned to relearn the throttle. Truck was running fine before, just wanted to engine light to quit coming on. This blows. Dude, edit your video so Joe Blows like me quit making an ass of ourselves.
I’m so fucken pissed he showed the relearn but didn’t say you were gonna have to do this. I thought that was part of the problem with that particular truck. I just another video that started with “stop don’t try this if you flying have a certain scanner” in the Beginning of the video!
@@BoBBy_Loko you don't need to have a scanner to do the idle relearn! I do several of these a week and I have the scan tool to do the relearn and never use it. Google Chevy truck idle relearn, if you are still having issues let me know and I'll tell you what to do.
**Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**
Automotive Test Light- amzn.to/3z1Pdxa
Flexible Backprobe- amzn.to/3Pyr3zO
Multimeter- amzn.to/3PbuT23
OBD Scan Tool- amzn.to/3zaNWnq
Wire Piercing Probe- amzn.to/3OecWhT
If you feel like this video helped out, feel free to support the channel by donating. Just one click away on the link below, to help support the channel :)
www.paypal.me/ozmechanics
That error code (P0121) popped up, seen your video, bout to clean the throttle body. Hope it fixes the problem. Thanks.
Cool share Azael, i like the bonus footage 😎 keep em coming 👍
Super Mario Diagnostics almost missed it
Thnx For The Video. I Just Cleaned Mine Today To Clear My Engine Light From This Same Code. Light Went Out. Thnx !
You produce the best and most helpful videos. thanks and gigantic thumbs up....
skip56 thank you very much. Comments like these are the ones that push me to make more videos.
Check out my store front
teespring.com/search?q=Oz%20Mechanics
Throttle body cleaning is often overlooked. Nice one!
Yes sr I once worked on a Toyota that had a no charge condition. Shops before me replaced the alternator twice. Actual issue was the TB was too dirty causing the idle to be too low and causing a no charge. Crazyyyyyy
Fantastic, thanks dude. I wound up with an ‘07 Suburban and I am working on restoring it, had a p0121 code and a nasty throttle body was indeed the issue.
These GMT900’s have their little issues, but they’re generally pretty easy to fix if you catch it early and take care of them! Next order of business is to disable the cylinder deactivation system before it spins a lifter and destroys the cam…
That is a stupid feature which actually causes more harm than good. Firing on ALL CYLINDERS isn't just a phrase.. In the long run it ruins the cylinders. I'll keep my 01 Yukon until the subframe falls off 🤣. Don't get me started on the electric vehicle scam.. We are being governed by a bunch of dumb asses!! 🇺🇸 1st 4ever
This is an excellent video I have a code 121 on a Lincoln Town Car 93 and I did not know it was a performance issue. Brand new throttle position sensor and I got that code and sometimes it's dead sometimes it's not I will clean the throttle body thank you for the information
Takes 2 seconds you can take it off with the 2 bolts and 2 nuts and clean it amazing
Straight to the point. Just the way it should be. Nice job Oz Man!
Victor R well thank you very much. Thank you for watching
Thank you for making this video! I have that P0121 code on my 2008 4.8 silverado with 104K on the clock..I dont know if its ever been cleaned because I bought it a few months ago. My throttle is also runing at 21% .But the wierd thing is that its reading only 80% when I press the throttle to the floor with the engine off of course... I'll be cleaning it up this week. Thank you for your help.
Just be aware of some instances it would need a throttle relearn
On a 2014 gmc how do I know if I have to do a relearn,
@ozmechanics
LEARNED SOMETHING NEW BEEN BUYING NEW PARTS THX ALOT
Thank you for this video! It's still helping us!
Thanks for watching John glad you enjoyed the video
Thank you I appreciate the video. Helped me make sure I was doin the right thing
Great video brother, thank you very much for your time and advice !!
Thank you Oz. Good job. I appreciate your videos.
Billy Yoder no problem billy. Thanks for watching
You got to take the terminals of if not your throttle will get uncalibrate because its electrical throttle body
I like fixes that don't include buying parts. Of course you have thousands spent in scan tools. :)
You can do this with a 30 dollar tool. It’s his knowledge
@@01superduty89 I understand, thanks.
@@01superduty89 what tool
wish my dealership would do some stuff like this.
All Chevrolet dealerships should be able to do this with out any problems
I got a 03 Chevy 6.0 I have new throttle body and pedal a it's still pops a p2135 is there anything else that can do it
Very good video! Thanks
Very helpful. Thanks!
i think i have that exact problem i will do the same im sure it will help thanks for the video
Just remember you might need to reprogram the TB if not it will idle high
a bro you cool where you live
Chris Santos I’m in the Houston area
I find it that on some gm vehicles that sometimes you would have to replace the entire throttle body
This code popped up today in my sierra denali 2010. I heard if you keep driving with the code p0121 it will throw car in limp mode. Is this true ??
Wish I would’ve found this videos before the one I watched
Thanks bro
Great video OZ I have a problem with the sensor position went I change that sensor my rpm they running to high
Does a high TPS case high temp readings on the temp guage?
I currently have a code p0121 on my silverado thanks to you and your vídeo no need to take to mechanic. Just one question is there a certain throttle body cleaner you recommend
You can use throttle body cleaner. You might need to get it calibrated after the repair
I just did this on my 2011 Chevy Silverado Lt Z71 and now it's stuck in high idle 3088 rpms I tried the relearn procedure like 6 times it ain't doing anything and I put it in reverse to drive it but it wouldn't go anywhere probably too high rpm idk this has me so mad right now I did exactly like you
What scan tool did you use to do the relearn procedure?
What if I don't have a scan tool to relearn? Is there another way
I'm planning on cleaning the throttle body on my 2018 Silverado 5.3L with ~64k miles due to rough idle condition. According to the trucks tack the engine is currently idling at 500rpm, which I believe is a bit low. If my throttle body is as dirty as I suspect it is I'm thinking my idle speed should go up a bit after cleaning. What IYO is a good idle speed for a 5.3L in park?
Awesome job
What is the problem when throttle sticks after cleaning
Good information. I want work with you. 12 years experience.
Thanks alot 👍👍👍
Having this problem drain your battery as well ?
Thanks for sharing your info
Hey bro I have a ‘01 Trans Am. I’ve been annoyed by P0121 for two years. I spent $600 dollars at a shop and they couldn’t resolve the problem. My throttle body has never been as dirty as the one in this Silverado. So here is my question. Is it positive for a bad throttle body to cause this problem? I’ve cleaned it many times and I still get the code and piss poor engine performance.
I have this code but with a brand new throttle body
If I clean it, do I have to relearn the idle? Or would the check engine light clear on its own?
Most Chevrolets would need an idle relearn
@@OzMechanics Got it. Would just clearing the check engine light do it?
Don't need reset just replace and it will work
nice one . thanks for sharing!
Great video thanks for the tips
What if you dont have a snap on diagnostic tool like yours, how can you reset the butterfly valve?
I’m actually about to put out a video on a scan tool that’s economical
@@OzMechanics is the video available yet?
Do I need the machine your working with or can I just clean it out myself without machine
What scan tool model are u using
I'm having this problem at the moment, i wanted to know would bad gas cause this problem? Thanks
No gas does not flow into your throttle body.
Great video, amazing information. Thanks! Question, if I don't have the resources to do preform the throttle reset/relearn, would it cause further damage or incorrect readings?
ua-cam.com/video/NAnEoMa80VY/v-deo.html
@@jesusaguirre7457 thanks
check engine light?
Is there a manual relearn you can do if you don’t have a plug in?
Not that I know of. I’ve heard driving it but I’m not a big fan of that, because you can cause a wreck or damage the transmission. Just best to take it to a shop to get it calibrated
not bad at all.
will disconnecting the battery reset the rpm issues?
It wont
Cleaned the tb and put it back on did the run for 3 minutes and off for 1 min 3x it made the idle go down but while coming to a stop after about going between 40 to highway speeds the rpms jumps. Is it still not relearned. Or would a new throttle body position sensor fix it?
It needs a throttle relearn with a scan tool
I clean mine an didn't have to do a Relearn ran super smooth afterwards 💯💯
Would this keep the truck from starting?
Never had one not start from a bad throttle. Key but I’ve seen crazier stuff
If you had a customer with P0121 and P0573 codes...would you let them leave and tell them it was not an issue? This happened to us and we almost died....ugh
I would advice the customer the code was present. And could cause issues
Thnks
So I cleaned my throttle body out and when I started my tahoe, it went to 2000rpms and climbed to 2500rpms. I don't have the fancy snap on computer but by sct scanner gave me the same code after 3 starts. Thoughts?
It has to be recalibrated. Some gm vehicles need a recalibration after a throttle clean
@@OzMechanics can you re-calibrate by disconnecting the battery?
Great video as usual
Thanks for the kind words
Wish I would of seen this video before I bought and replaced the tps sensor, $60 wasted vs a shop rag…..
Where can I go to get the idle relearn?
a shop that has a capable scan tool or the dealership
What about a P0122 code? As soon as the engine is started, it revs to around 3,000 RPM.
Need to be calibrated with a capable scan tool
@@OzMechanics well, the throttle body was never changed. I'm just diagnosing it now. It came in with this issue.
I just cleaned my throttle body of my 2003 GMC Yukon and turn on the truck after I was done and it turned on and then turn it off and turn it back on I repeated this step about 3 times and everything seemed working fine so I turn off my truck and went inside my house. 30 min later it was time to pick up my son so when I tryied turning the truck on it didn't do anything it doesn't crank or nothing ? Has anybody had the same problem or anybody nows what it could be?
I clean mine same way u did but my rmps are high now i didnt disconnect the battery or sensor now there high at first it was fine
On some vehicles after cleaning them the vehicle has to do a throttle relearn
Would need to use a proper scan tool to perform this
@@OzMechanics all right bro thanks for replying do you think they can do that at AutoZone or how much does it cost
@@OzMechanics it's a 08 Chevy Silverado
tx tx autozones scan tool won’t be able to do the relearn. Shop would charge between 40-80 dollars for the relearn
Hey Oz great Video...was wondering if you would know how to do the eng rpm relearn without the scanner you have...I only have the regular obd..am working on a 2011 chevy colorado 2.9
Unfurtunetly needed to get taken to a proper shop to get a re calibration
@@OzMechanics thank you very much I appreciate your prompt response...God bless
How do I perform an Idle relearn without a scanner??
If it’s Chevrolet you need a scanner
I had the same problem with my Yukon. I had the throttle body cleaned and instead of the RPM's going down they went up! Can anyone tell me what I did wrong ?
On some early yr gm’s the truck has to have a throttle relearn
Thanks it's a 2007 so it should be the same
Same thing happened to me. 2007 Chevy just like this guy. RPMs went up. This sucks. Dude, edit your video before other people keep screwing up. My truck was running fine. All I wanted was a quick fix to the light coming on.
Same problem
I saw another video and the guy said to unhook the battery for 10 minutes to reset idle will this really work?
Tonio Hawkins the first time that happened I tried disconnecting the battery with no success
Damn wish I had a $500 reader
I’m actually about to put out a video using a $300 to re calibrate it
im gonna do this far from shop can i drive it for 30 min to get it to my shop and re learn idle ??
The idle goes high and it get dangerous. I would take it to the shop if it’s 30 min away
If you do not have a scanner to restart throttle do not listen to this video your truck will stay idling he should have mentioned that
On the thumbnail I did put that this might need an idle relearn and I also do say that in the video and also perform an idle relearn on the video at the 6 min mark. Pretty much putting it out there
And also I explained that on the description
Guess I didn't read that good point wish I would have known before I had to purchase scan tool to reset
2000 Volkswagen 2.0
I changed my Throttle body and my rpms are on 3000 any suggestions?
Read the description on my video. It explains that some vehicles my have excessive rpms after cleaning. Needs to be re learned using a a proper scan tool from a professional shop
Don’t do this unless you have the scanner that cost $4,000 or going to a shop to reprogram the throttlebody for $80 bucks
Actually I have a throttle body that cost around $500 that does what other scan tools do
my tp percent is 10.6 but i have this code on. what could this mean
What vehicle do you have yr make and model ?
@@OzMechanics 2001 vw jetta 2.0 l avh engine
Im i gonna need that machine to reset the data then after cleaning the throttle 🤔
Aguilar Johnny majority of the vehicles need to be re calibrated
I was on point til the idle re learn. Can that be done without the scan tool?
What vehicle are you working on ?
Oz Mechanics 2012 Suburban
And a 2008 Sierra. Both 5.3
Keep the engine idling for 10 minutes
Thanks OZ! What’s the cheapest scanner that will do a relearn?
You fail to mention the idle relearn, that cost
If you look at the thumb nail and in the description it says that. Thanks for watching
@@OzMechanics thanks
Eeco torus v cods
On chevy pickup just buy sensor not whole throttle body
Some Chevrolet’s are not serviceable. The whole throttle body has to be replaced
@@OzMechanics wrong
Search Oz mechanics@@OzMechanics
Not everybody has a $1000.00 snap-on unit .
This is my career so that's why I use these tools. But for sure there's other tools that perform the same at the fraction of the price
@@OzMechanics I do have a OTC ODB unit, I am not a total backyard mechanic failure, I will give it a try, clear the code and see what happens. Calyforny smog is hitting it hard these days, thanks.
OTC makes some awesome scan tools. To be honest I bought my first snap on scan tool at a pawn shop for $360. It was valued at $4000
Are you there? I tried it and now the engine idle is really high.
Bobby Herrera yep I’m here. Did you try the idle relearn on you otc ?
How can I relearn it without an expensive computer? By the way you have a new sub
There’s a scan tool that’s is relatively inexpensive that can do that. Around 300, would you like the info ?
@@OzMechanics Yes. Please share the information for this more inexpensive tool to relearn 07 Chevy Silverado throttle body positioning. Thank you
I taken plastic apart on throttle position sensor and throttle pedal both have a real light layer of gold to conduct circuit of electric on mine throttle position sensor gold was wore Off at mid speed would it goes into limp mode replaced throttle sensor good to go what a joke chevy could be very dangerous should be recall mine only has 70000 miles
that engine is burning a ton of oil
What makes you say that
Is there a way to do the idle reset without a $987698237987293 tool? lmao
Taking it to a shop that can reset it
Thought this was a home do it yourself video. This is for diagnostic professionals. 2007 Chevy Silverado. Cleaned it exactly how shown and RPMs went up and stayed up. Now I read the replies and see that I need a scanned to relearn the throttle. Truck was running fine before, just wanted to engine light to quit coming on. This blows. Dude, edit your video so Joe Blows like me quit making an ass of ourselves.
J. Frank Vargas the video does show that I do an idle relearn.
I’m so fucken pissed he showed the relearn but didn’t say you were gonna have to do this. I thought that was part of the problem with that particular truck. I just another video that started with “stop don’t try this if you flying have a certain scanner” in the Beginning of the video!
@@BoBBy_Loko you don't need to have a scanner to do the idle relearn! I do several of these a week and I have the scan tool to do the relearn and never use it. Google Chevy truck idle relearn, if you are still having issues let me know and I'll tell you what to do.
IMPCABLE