Question about 2006 Chevrolet Trailblazer

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Where is the throttle body on a 2006 Trailblazer 4.2L L6? And how do I clean?

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The throttle body is the box connected to the intake manifold. It is connects the air intake system to manifold. You will see your throttle cables connected to it. There should be four bolts to remove it. It will also have a paper gasket it so remove carefully. You can use carb cleaner to spray it out and let air dry. Or use lint-free cloth

Posted on Apr 14, 2009

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Where is low idle sensor on 2006 chevy trailblazer six cyl it idles low and was told to clean sensor


Just my opinion, I'd check for applicable trouble codes, first. Some of the national brand auto stores will check codes for free. If you want to check codes, yourself, at the least, you need an obd2 code reader that will check po codes as well as manufacturer specific codes. See if anything points to tac/throttle actuator control?
There are also accelerator pedal position sensors that you need to check. If you want to clean throttle body, that's fine.

Dec 07, 2016 | 2006 Chevrolet Trailblazer

1 Answer

Dealer says code P0506 for my check engine light and that it is caused by air pump emmisions


Just my opinion, but dealer is blowing smoke up there! Clean your throttle body. This is idler control code. It is VERY common for our TB's throttle body to gum up and get clogged with carbon, because we don't have a pcv system. Disconnect the battery, clean the throttle body, best done if you remove the throttle body. You can even re-use the plastic o-ring/gasket many times over. I find that using Seafoam to clean with plastic bristled brush is the best. Seafoam is sensor safe and cost about $9 a can. Look up on the TUBE, there are many videos there showing how to clean a Trailblazer/Envoy throttle body. Very easy and inexpensive. After that's done, clean that throttle body at least once a year. You'll get better gas mileage with it clean.

Jan 25, 2014 | 2006 Chevrolet Trailblazer

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04 trailblazer staling out


The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Nov 10, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

2006 Trailblazer want idle. cuts off if not feeding it gas


Clean the throttle body, front and back sides thoroughly. Also, disconnect battery during the cleaning process, this will reset computer and allow it to relearn to the cleaned throttle body.

Sep 14, 2011 | 2006 Chevrolet Trailblazer

1 Answer

Why is my trailblazer cutting off at red lights.,the idle drops real low


You need to have the throttle body cleaned, make sure that both the front and rear sides are cleaned thoroughly. While it is being cleaned, the battery should be disconnected so that the computer will be reset and relearn with a clean throttle body.

Aug 12, 2011 | 2006 Chevrolet Trailblazer

1 Answer

Idles rough some of the time when it has been running for a while. Volt gauge goes down like its going to stall. Doesn't do it all the time. Mainly when air conditioning is on. 2006 trailblazer with...


The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Aug 07, 2011 | 2006 Chevrolet Trailblazer

1 Answer

Chevy trailblazer 2007 P0506 & P1400 what are the solutions for these codes


Cleaning your throttle body should take care of both problems. Clean your throttle body with throttle body cleaner. First disconnect the battery, clean the TB with TB cleaner, must be nice and shiny. When finished, hook the battery back up and drive around for 20 minutes or so with all accessories off, so the computer will relearn a properly functioning throttle body.

Your computer learned some bad habits, so when you changed the battery, the computer thought the throttle body was clean and functioning properly. So when you changed it, this caused all your problems. Very common, keep your throttle body clean, should be done at least once a year. Total cost if you do it yourself is around $5, for the can of TB cleaner.

Apr 18, 2011 | 2006 Chevrolet Trailblazer

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2006 Chev Trailblazer. Seems to be running fine then loses power, the airbag light comes on, then it picks back up and seems to run fine again.


1st things 1st, clean that throttle body. Clean with throttle body cleaner with the battery disconnected. Must be shiny like new. When finished drive with all the accesories OFF for about 5-7 miles, this way your computer will relearn the newly cleaned throttle body correctly.

As far as the airbag light, could be many things. You didn't mention this....does the airbag light go off when the power is restored? The airbag is nothing to mess with, if it goes on again, you can take it to a shop that can communicate with the airbag control module. Will narrow down exactly where the fault is.

Jan 23, 2011 | 2006 Chevrolet Trailblazer

2 Answers

Low idle on 2006 Trailblazer ext


2005 trailblazer i know ille is set by pcm but is there any thing i can do to rase it up just little bit .

Dec 06, 2008 | 2006 Chevrolet Trailblazer

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