Close

2002 Chevrolet Trailblazer Questions

Get answers to questions about your 2002 Chevrolet Trailblazer at RepairPal. Find solutions, diagnose problems and get back on the road.

Refine by vehicle
×
Choose your vehicle
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
260
questions

would like to know what these codes mean

4.2 I6 code P1345 and cruise control does not work... I have replaced cam pos sensor, crank pos sensor and cam pos actuator, still have code P1345. I hooked a volt meter to cam pos actuator, got12+ volt immediately at start up. Drove it 30 miles city and highway, the voltage never changed, never dropped or toggled off. Any thoughts?

want to clean the mass air flow sensor where is it located

my 2002 trailblazer coolant temp gauge is going from 100 to 260 then goes up and down I hook up my scanner and the ecm is doing the same thing I replaced the coolant temp sensor but im still having the problem please help!!!!!!!

My belt broke, power steering stopped, turned car off,it smoked towed to mechanic, they worked on and fixed it. After a month the message comes back on once a week and check engine light also.

It was accompanied by slightly visible exhaust while it's 65 degrees. The end of the tailpipe is also black, like it was charred.

It doesn't do it all the time, it's sound like it's in passenger side back, when you hit a big bump it does it, then when you come to a stop it stops then you move again and sometimes it does it again or not for awhile. We've put new brakes on, new sway bars, can't tell where the noise is but it's in the back.

Dead battery replaced tomorrow. "Red towing cable" removed from fuse terminal.
Could it be cam shaft position sensor? Please help!!! I'm my own machanic can't afford thousands when I can do this myself. Replaced spark plugs ( needed badly)
HELP

The truck will run but after its driven and its warmed up, when its shut off it wont start again, until it is cooled off, after a couple hours or the next day it will start again.

i can hear it driving fast slow or whatever, so i find out that the boot on the CV is not in good shape, I don't know if the differential needs replaced or not. How do i know whether i can replace it and it be okay or i have to repair and/or replace the differential itself?

and when you go to turn ignition switch it won't start. How to fix?

It started fine i moved it half a block and went to start it again about an hour later and it tried to start then all the lights went haywire and radio blared and i turned it on not over rolled down the windows just fine and tried to start it and nothing not a sound or light or anything. I tried to take the key out and would not go all the way off and shifter button will not depress to move it out of park. I pushed the release for the ignition and it turned and the key came out and the shifter would move when i hit the release button but still nothing battery was fine and fuses are fine ignition switch was replaced about 2 years ago. And i need help i have no way to take it to a mechanic and i need to fix whatever problems i can myself there are way more problems with it but this will get it going. Can someone please help me troubleshoot this?

How do I pass smog when I failed for something that don't exist?

The check engine light has been flashing when I press the gas pedal. It also eats a whole lot more gas. Just recently, if I press the gas pedal too much or for too long a period of time, the car stalls. I don't know if it matters, but we recently got the fuel filter and the camshaft actuator replaced.

for my window door lock switch