How to clean throttle body on Chevy Trailblazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada.

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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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Опубликовано:

9 июл 2024

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Комментарии : 26

@Vivianauxito Год назад

Wow. Love this episode. Thanks for the informative content. Are you open to doing any product review that related to Auto led lighting? Hope what we offer could be a part of your fantastic content.

@justinoff1 Год назад

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.

@antoniosims415 Год назад

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?

@SmokeDelivured Год назад

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?

@EDUAIGLES59 3 месяца назад

After cleaning the throttle body, how many RPM should the tachometer read? thank you

@johnnyyahooandthelaughingh3025 11 месяцев назад

You saved my ass. Thanks bud.

@mattiedozier4119 3 месяца назад

Where is the Throttle Position sensor located?? I've watched tons of videos and cannot tell. I have a 2002 GMC envoy.4.2

@Summerbgood Год назад

What's the breather tube

@markeast9221 10 месяцев назад

Dear Autorex ,hi ,Where about àre you located ? Thanks !

@duckhunter8387 Год назад

Nice Job! Can you use Carb cleaner?

@voidisyinyangvoidisyinyang885 2 месяца назад

I think they are both acetone

@cicrhc Год назад

Nice video, just one question, aren't we supposed not to touch the inside or it will be disprogramed?

@LORD-wr7rv Год назад

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?

@LORD-wr7rv Год назад

My car is shaking it wants to know so bad

@AutoRex101 11 месяцев назад

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.