lean code with missfire??
10-14-2012, 08:56 AM
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lean code with missfire??
got a question. was looking at a 98 hatch and i pulled the codes and it had a 1-4 misfire but it also had a lean code.
misfires usually make it go rich so what could be. i was thinking maby a vacuum leak since it will lean it out enough to make it misfire but it would have to be a big *** leak.
only mods on it are you standard hot air intake and headers back exhaust.
misfires usually make it go rich so what could be. i was thinking maby a vacuum leak since it will lean it out enough to make it misfire but it would have to be a big *** leak.
only mods on it are you standard hot air intake and headers back exhaust.
10-14-2012, 11:56 AM
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Re: lean code with missfire??
po171 (bank 1 to lean)
po131 (o2 sensor low voltage)
po141 (bank 1 sensor 2 heater) no cat full exhaust so whatever.
po301-304 (cylinder 1-4 missfire)
po300 randmoe missfire
po170 fuel trim malfunction
i cleared all codes after i baught it and drove it home and no problems so maby its an old problem that was never cleared idk ill keep an eye on it though.
po131 (o2 sensor low voltage)
po141 (bank 1 sensor 2 heater) no cat full exhaust so whatever.
po301-304 (cylinder 1-4 missfire)
po300 randmoe missfire
po170 fuel trim malfunction
i cleared all codes after i baught it and drove it home and no problems so maby its an old problem that was never cleared idk ill keep an eye on it though.
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