runs kinda rough. gas mileage is terrible. replaced plugs and
wires. I'm thinking O2 sensors, but where are they located?
> runs kinda rough. gas mileage is terrible. replaced plugs and
> wires. I'm thinking O2 sensors, but where are they located?
SEL on?
Any "modifications" on it?
What is the exhaust back-pressure?
Throw a scan tool on it and see if the sensors are OK

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Steve W.