Chevrolet Trailblazer Repair Help

I have a 02 trailblazer 4.2l. Driving down the freeway I started to hear what sounded like and from the drivers side the oil pump running with nothing going through it. (Somewhat of a flickering sound) Rpm started going down and the motor stopped and I pulled over.

I have a chevy trailblazer 2002 4 whl drive and I get a code of b0222 front wheel speed signal missing. I understand there is a signal wire in there somewhere but I can't find it. Is there a schematic for this anywhere so I can find where it goes.

Hello, My check engine light and now my ABS light in my truck won't go off. They've been on for months. I got a tune up last November and the engine light went a away for a few days, but has been on ever since. Also, I had my truck in 4 Wheel Drive for a little while a few weeks ago one day when it snowed really bad and ever since it seems like my car sounds louder when I drive.

I just bought a 2003 GMC ENVOY SLT w/ the 4.2L 6 cylinder.  I am having trouble w/ the A/C it will blow nice and cold on the drivers side but the passenger side and rear are blowing HOT air. I have been on quite a few forums and there are tons of people having this problem but nobody seems to have the answer. So if someone could help me out I would greatly appreciate it.

Live Chat

Question: i have a check gauges with oil pressure problem.


What make and year vehicle?


gmc envoy 2002.

2003 Chevy trailblazer ltz 4.3 six cylinder. I have replaced the ambient temp sensor. Question = I replaced my ambient temp sensor because my heating/ cooling unit would take for ever to change from the temp in the garage to the temp outside.

2002 trailblazer LS Engine Size : 6-cylender Question: my car is showing a warning light that reads, "reduced engine power" and another light that reads "service engine soon". I have no power when i try to drive my car.

2005 Chev Trailblazer. Question : how do you know if the 4 wheel drive is gone. We only hear a noise when we drive. took it to a garage and they said there was nothing wrong. It sounds like something is dragging on something. I cant seem to find anything wrong.

Question: 2005 Chevy Trailblazer, 6 cylinder the ABS, Suspension, Security light, battery, every light but the check engine light is on I have no gauges, oil pressure, gas, battery, water, rear wiper does not work, stereo does not work, windows do not work, interior lights come on and stay on. I have cleaned the battery terminal to the main fuse box.

2006 Chevrolet Trail blazer LS. Question: trying to remove my dash so that i may get at the switch that changes from a 2 wheel to auto to 4 hi to 4 low the switch is broken and needs to be replace but no one will say how to get at this switch.

2006 Chevy TRAIL BLAZER 4200 STRAIGHT SIX CYLINDER. SERVICE STABILITY LIGHT AND TRACTION WARNING. Question: Problem with my 2006 Chevy Trailblazer.
Service Stability , TRAC. Computer codes: c0455 , c0244. Rotated tires. Why is my service stability light on the dash

Chevy Trailblazer LS. Question: Hi and Ty. 2 of the 3 brake lights are not working the 3dr rear door one is works. I've replaced the fuses (#12 under the hood) and the fuse under the rear seat.

I just bought a 2005 Trailblazer Ext LTZ 4x4 last week, when i first tried it worked more than well and i decided to go ahead and buy it, when i finally pay for it i took it to home and after 30 minutes having lunch i came back to the Trailblazer and it didn't start.

Airbag light 2005 Chevrolet Trailblazer 4.2L. Replaced the clockspring and left front impact sensor.  We put our scanner on the vehicle, and it showed codes B1022, B0042 and B0104.

2002 Chevrolet Trailblazer EXT 4.2L Engine. It died on me the other day I got a boosts.  Later that day I got a new battery. They check the alternator and its fine. We notice the back AC was on and the truck turns off even when we turn on the ac

Several warning light on my 2004 Chevy Trailblazer. ABS, E Brake. The ABS and parking brake come on and then the air wont come out as well as the cruise control wont work.

4.2L Straight Six cylinder engine. 2004 Chevy Trailblazer LT 4x4. SES light on. GM Computer codes p0128, p0172, p0410, p0455, p0606. Check engine light came on about 1 week ago.  Cold weather. Took to garage, ran codes and 5 codes came back.

Window problem with my 2003 Chevy Trailblazer. Question = i am unable to use the driver's side window and lock buttons on the door panel. i need to know what might be causing this. also, i am unable to lock and unlock using my remote, as well as the key is stuck in the ignition.

Problem with my 2003 Chevy Trailblazer LTZ. Battery not charging. Service charging system warning on dash. Bought a new battery. How to make dash warning go away. cant see mileage at this time.

Latest Articles

Chevrolet Blazer Lost Power ...

2000 blazer 4x4 lost power to drivetrain going down the ...

Dodge Durango Timing Chain ...

My 03 Dodge Durango 4.7L engine was blowing white smoke ...

2002 Chevy Blazer Keeps ...

My 2002 blazer keeps dying on me when I am driving, and ...

1996 Lumina Dies Looses ...

1996 Chevy Lumina 3.1 L. I have good fuel pressure,spark ...

Silverado Won't Start Cold

My 1992 Silverado 6 cylinder turns over but will not run if ...

How Things Work

Cruise Control Function and Operation

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at speeds above 40 km/h (25 mph). However, steep grades may cause variations in the selected speeds.

The main components of the cruise control system are:

Read more...

Common Engine Codes

Code P0171 Fuel Trim Error

The powertrain control module (PCM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy and emission control. Fuel delivery is controlled differently during Open and Closed Loop. During Open Loop, the PCM determines fuel delivery based on sensor signals, without oxygen sensor (O2S) input.

Read more...