Question about 2004 Chevrolet TrailBlazer
had this problem as well.. check the oxygen sensor on it (sometimes critters like that wire) or like shel said dirty injectors or filters could be it.. bad gas is also another one... dont go to places with old tanks or that is really cheap, run at least 91
Posted on Jan 19, 2010
if this happens while the defrost of ac is turned on, it could be a seized ac compressor which will cause the serpentine belt to squeal and drag making the engine sometimes stall. if it happens with the ac off and the selector on say the floor, or dash vents, the issue could be a bad alternator and battery. this is confirmed when the blower motor engages and the lights dim and then the truck goes dead.
Posted on Feb 17, 2010
I have front and rear a/c. The air is blowing in the back but not in the front. Don I have 2 blowers/units. Could this be a fuse?
Posted on Jul 15, 2010
You need to get the fault codes read to determine where the problem is that set the SES light. Autozone will scan your car at no charge. At some point you will need to get a mechanic involved to further diagnose the codes.
Posted on Sep 25, 2010
For the stalling issue, 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.
The dead speedometer could be a bad stepper motor in the instrument cluster or a bad speed sensor on the transmission. If the cruise control is not working, the problem is most likely the speed sensor.
Posted on Oct 18, 2010
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