Chevrolet Trailblazer Questions Maintenance & Repair

2008 Chevy Trailblazer High Idle

Replaced the throttle body with a new, OEM throttle body due to a malfunctioning TPS sensor. TPS code has gone away, but now the Trailblazer has high idle. I have tried two different PCM reset met...

Car Not Going Into Gear

I have a 2004 Chevy trailblazer I have replaced the engine, ignition switch, ignition cylinder, steering wheel theft deterrent lock, oil pressure senser, the temperature senser, and the transmissio...

With Chevy Trailblazers, Are Body Parts From A 2005 Usable For A 2006?

We have a 2006 Trailblazer that needs some body work as a result of an accident. I found a 2005 that is the same color. The grill is the same design (I believe they are different between the LS an...

Key Stuck On Position

My key stuck on position and could not turn to kill the motor, I had to remove fuel pump relay and negative battery connection, I removed the switch and put it back on I could take key out and it m...

2004 Chevy Trailblazer Ignition

Replaced the ignition after having the key not turn off when in park. The new ignition has two new keys; it turns on and all the lights, windows work, but it won’t turn over. It turned over with th...

Fuel Guage Is Erratic

2004 Trailblazer fuel guage seems to work when ignition is turned ON, but goes to full when engine started and will frequently drop to empty after that. After 15 minutes of driving it will go to cor...

Chevy Trailblazer Transmission

When I accelerate from a dead stop once it hits 3000 RPMs, the truck will stop moving but the motor rev

The Tac Does Not Work For What Reason And How To Fix Problem

the tach does not show RPM]s while engine is running.

Fix For Po171 On A 2002 Trailblazer

2002 Trailblazer p0171, p030, o2 sensor , car stalls and runs bad low oil pressue comes on, Checked On PCV hose they seem clear but no Oil Vacuum pressure in dip stick , one guy said it should have ...

Will A Trailblazer Starter Work In A Tahoe

Low Beam Headlight Doesn't Work

low beam on passenger side don't work, hi beam does ,fuses are good. what else could it be?

Trailblazer 2008, Problem Is While Running The Gears Stop Working

Hi, I have Trailblazer 2008, Problem is while running the gears stop working, even showing D on the dashboard, all gear not working. I have to stop the car, off the engine and start it again. Once e...

Common Cause Loosing Gears Wile On Drive

I was headed home from work on the freeway when I exited I noticed my blazer acting different I had to stop for red light green light came and the car started going but it was hesitating the rpm w...

Charged AC Now Car Won't Start

My niece recently had a friend of hers charge the AC in her 2005 Chevy trailblazer LS four-wheel drive. Now the car will not start. It attempts to start but there is no whiny sound or battery dying ...

Trailblazer Won't Start

Changed drives side actuator and now my car is not starting. Acts like a security lock is on or anti theft is on

2008 Trailblazer Replacing Bad 5.3 With A Good 4.2

2008 trailblazer with a 5.3 locked up engine. neighbor has a free 2008 4.2 engine. what modifications and extra work must be done to swap to the 4.2?

A Down Arrow Keep Comming On In My 2005 Chevy Blazer Come On

Can I Put A 2005 4.2 Engine Out Of A Trailblazer Ls Into A 2007 Trailblazer...

Leaking Water Out Of Back Hatch When I Turn On Windshield Washer

When I turn on my rear windshield washer nothing comes out and there's water leaking somewhere out of my back hatch what is this probably caused by

Engine Revs, Truck Doesn't Move

While driving my 2004 TrailBlazer LT, I hit the gas to accelerate and the engine revved and didn't move. Goes into gear, you can hear the fluid in transmission when shifting gears, fluid levels per...