bad o2 sensor and a bad cat would make it fail. give it a fresh up - new plugs, dizzy cap, wires, new o2 sensor, new cat. Or pay your way though.
bad o2 sensor and a bad cat would make it fail. give it a fresh up - new plugs, dizzy cap, wires, new o2 sensor, new cat. Or pay your way though.
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yeah. you should be good once you get a new exhaust and o2 sensor.Originally Posted by Stormhammer
check your header for cracks too.