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2000 Tahoe
i'm having real trouble with this vehicle and it's very frustrating. I've tried several remidies including chevy dealerships, which claim they have never run across the problem. There responce is we'll put the scanner on it, for $60 to $80, with no success. Sequence of events below.
1. Replaced air filter, fuel filter, oil and filter, and orginal plugs, whiched caused a miss fire.
2. Had Rudolf Cheverolet, in El Paso, clean throttle body and fuel rails, which they claimed caused the problem, however the miss came back.
3. The 1 and 2 plugs were carbon tracking causing the miss. I replaced the plugs, again, with the suggested plugs, upgraded model.
4. To eliminate the coil, wire assy. I switched 1 and 2 with 3 and 4 coil and wire assy. It worked great for a while however the carbon tracking came back to 1 and 2.
5. i can switch plugs to other cylinder and they will work great, however the carbon tracking and miss will reoccur.
6. When in cold start the engine runs OK, when warm the engine will start missing, especially on excelleration.
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