Question about 2002 Chevrolet Blazer
I've been chasing a problem with my 2002 Blazer for 6 months. I'm $4,000+ poorer and I still have the problem that is getting progressively worse.
It started out with a miss every now and then while I was driving on the highway. Then the problem started when I would start the car for the first time of the day. The car lurches along for various lengths of time. Usually for the first 2 or 3 errands in town and then it levels out. Usually clears up after I reach highway speeds and won't have the problem for the rest of the day. But the next morning, we start all over. Another thing, when I start the car and it is warming in the driveway, you'd never know there is a problem. It's only when I accelerate. (I can drive the car, but it has a real rough idle at stop lights or long waits, and it lurches along when I drive down the street and I worry that it will quit at any time.)
I have had a complete tune up including plug wires, replaced the fuel filters and fuel pump, replaced a high dollar valve that blends the fuel and air, and I believe the dealer said a rotary cap. It's been to the dealer and several mechanics and no one has been able to isolate the problem. They've told me the above needed replacing to fix the problem, but none of it has. We are now at the point where they tell me that they can't get the car to duplicate the problem and therfore can't repair it.
I'm at my wit's ends and need some help!!!
Definately sounds like a fuel management issue...as all the common issues have already been taken care of, i am wondering if maybe you have a programming error in the computerized part of the fuel management sytem. maybe get autozone to do a free error code reading? it may help narrow down your problem further and is free...i would say maybe an electrical issue with the fuel pump, but that doesn't make sense if it goes away when running for a while. has anyone looked into the oxygen sensor? if it is messed up it will cause your fuel management to go weird. hope this helps some! good luck!
Posted on Aug 15, 2008
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Posted on Jan 02, 2017
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