Question about 2002 Chevrolet TrailBlazer

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Stalling 02 Chevy Trailblazer

I initially start my 02 chevy trailblazer, when I start to drive, rpm will go to zero and it stalls with no warning sensors. I start it up again and it is then good for the rest of the day.
This happens everyday I use the vehicle.

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TB needs to b cleaned

Posted on Aug 30, 2011

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Check fuel pump pressure or clogged fuel filter

Posted on Oct 13, 2009

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Oct 29, 2015 | 2005 Chevrolet TrailBlazer

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05 chevy trailblazer is stalling and accelerating with foot on brake


it can do both at same time "AND"
unless you meant
it surges, then stalls.

hot or cold, or both (hot or cold engine block)?

You must not be in park, but in DRIVE,
tell the full story,starting from keyon.
or take it to a live person that can see this.

Oct 09, 2013 | Chevrolet TrailBlazer Cars & Trucks

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My 2003 Chevy Trailblazer suddenly started running rough and stalling, It smelled like fireworks.


1st things first, clean your throttle body. Also, that smell is concerning, have a muffler shop do a back pressure test on the Catalytic converter.

Jan 23, 2012 | 2003 Chevrolet TrailBlazer

1 Answer

My 02 chevy trailblazer's rpm fluxchuates when


Many of the 6 cyl. engines are prone to carbon build-up in the throttle body. If this is the case, it is best to clean it off the car and is fairly easy to do. Remove the snorkel, 1 electric fitting on the throttle body (a little tricky) and one vacuum line on tb as well. Four bolts remove the tb from the engine and the throttle body can be cleaned with throttle body cleaner from any auto supply store. An o-ring attaches the tb to the engine so that you will not destroy a gasket during the repair. Pretty easy and should take less than 1 hour, but be careful of sharp edges in the throttle body.

Nov 04, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I have a 2002 Chevy Trailblazer. Just replaced


If you unhooked battery it will need to relearn its idle position, should help if you clean throttle blade edge and body of carbon so proper amount of idle air can enter engine.

Feb 28, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

2003 chevy trailblazer....idlind at 600-750 rpms, when i engage the a/c it drops to 500rpms then stalls. also have two codes, p1481 and p1482. whats wrong?


The coolant fan clutch or the electric connections to the fan clutch is code1482.

Code 1481 is associated with the coolant fan problem but concerns the PCM having an error.

This error is why your car is stalling. The fan clutch is variable. When it is fully engaged the fan has more resistance and pulls down the rpm. The PCM is suppose to respond to this and raise the rpm for a steady idle. It is not doing it and needs a software upgrade.

The Chevy dealer may have a service note on this problem. The upgrade may be free.

Aug 24, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

Chevy Trailblazer 2003 ran the battery down now wont idle


try changing the air filter ,i had a problem ,at ilde in drive my trailblazer would stall, changed the air filter now it's not stalling and got my power back ,there is a secondary air pump that i have to change ,
not sure were it is ? still not running perfect but it's running better .and my service light is on too.
i got it put on scope ,it's the pump .
not sure if this helps ,but i'm start to run in to problems too,i have a 2004 trailblazer.
i like to do fix things myself ,i hope i can.it's the cost if you know what i mean.

Dec 17, 2008 | 2004 Chevrolet TrailBlazer

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