How to clean throttle body on Chevy Trailblazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada.
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- เผยแพร่เมื่อ 24 ก.ค. 2024
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Complete step-by-step guide on how to clean the throttle body on Chevy 4.2L Vortec engines found in the Chevy Trailblazer, GMC Envoy, Buick Rainier and Oldsmobile Bravada. Very common issue on these engines and it can lead to stalling and rough idle.
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I had a rough idle on my 06 and this made all the difference in the world. So much so that I thought the engine died every time I came to a stoplight. Nope , just super smooth.
Commenting in the most recent video / the body mounts for f250 video. Do i have to have the bed unbolted from the frame to lift it up to remove the top of the mount? I am having some bed slam because the mounts are shot. I dont wanna pay $1,400 to do this job but i dont have a lift. I feel i can raise one side of the bed with just man power to release the top of the mount. What do you think?
OK the vacuum line across from the first plug location under your right arm, does that get plugged or is it suppose to connect to something? I really need to know because when I had mine connected to the AC line on the firewall it had caused a p0172 code to come up (air/ fuel mixture imbalance) I was not getting enough air and was getting too much fuel. But when I disconnected that line and plugged it not only did the code go away but the car ran a little stronger. I took it to the shop and they said its suppose to connect, but it seems like connecting causes problems for mine while plugging solves the problem. So any insight?
After cleaning the throttle body, how many RPM should the tachometer read? thank you
Where is the Throttle Position sensor located?? I've watched tons of videos and cannot tell. I have a 2002 GMC envoy.4.2
Dear Autorex ,hi ,Where about àre you located ? Thanks !
What's the breather tube
Nice Job! Can you use Carb cleaner?
I think they are both acetone
Nice video, just one question, aren't we supposed not to touch the inside or it will be disprogramed?
You saved my ass. Thanks bud.
Great tutorial. Helped a lot. Unfortunately, it did not solve my issue of a slow acceleration. But, worth a shot. I am exploring other avenues.
Did you figure out what was happening, mine just started doing the slow acceleration
Vvt solenoid
Yo, did this car give u certain error code that led you to clean the throttle body in the first place or did u just happen to notice it was dirty?
My car is shaking it wants to know so bad
Doesn't usually present a code. Poor idle and stalling are usually what lets me know this is needed. Also, these motors are especially susceptible to throttle body fouling.
@@LORD-wr7rv That's a clear sign of needing to replace one or all of the ignition coils. It's actually a pretty simple DIY.
After washing is necesary to do a relearn process?
No need. Disconnecting the battery causes the computer to lose the adaptions put in place to compensate for the gunk.
I don't even remove the throttle body much less the ignition coils. I just spray and wipe with the throttle body in place lol
Yeah but it wont clean the other side where the gunk is >
I've never removed the ignition coils to remove the throttle body. Never seen it done in the other DIY vids either. So ...
I really wanna see more of the cutlass :O
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