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Originally Posted by Hansnet
from most likely to least likely....(replace the first 5 things tommorw, NO BOSCH ON THAT CAR! GET DELCO ONLY FOR THE PLUGS/O2)
- bad spark plugs
- bad spark plug wires
- clogged Air Filter
- clogged fuel filter
- Bad O2 Sensor
- Incorrectly Set TPS
- Bad MAF Sensor
- Bad Coil Pack
- Dieng Fuel Pump
- Bad Transmission (TC)
- Bad ECM
- Bad ICM
- random multiple misfire
- misfire on cylinder 1
- misfire on cylinder 2
- misfire on cylinder 3
- misfire on cylinder 4
- misfire on cylinder 5
- misfire on cylinder 6
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My first thought was a bad O2. I just did plugs and wires on it about a month ago thinking that was the problem. Nothing changed however. Do you think it could be a bad/leaky injector?
Air filter and fuel filter were both changed becasue of the problem and neither fixed it.