I have a 1998 Honda Civic LX. (Details Below) can someone help me figure out how to fix
I have a 1998 Honda Civic LX. It has codes of PO 300, 301, 302, 303 and P 1339. I put a
new spark plug in cyl. 3 and canceled out the engine light.and the car ran okay for 6 days
than later it started running rough again and the same codes came up again on my
scanner. What could be wrong?
sensor relay could be out check it,
checjk o2 sensors and fuses..
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