Johnny w Posted June 1, 2017 Share Posted June 1, 2017 Car is throwing a multiple misfire code,at times it will run just fine. It always happens on start up. Thanks in advance Link to comment Share on other sites More sharing options...
HondaPartsConnection Posted June 7, 2017 Share Posted June 7, 2017 I would check for a leaking Head Gasket. A lot of the Civics with that engine develop a leaking head gasket at higher mileage. The engine can leak coolant into the cylinders overnight and on initial startup it can "lean out" a cylinder causing the codes to be set. be sure to check for a low coolant level in the radiator when its a cold engine. NEVER open a HOT radiator cap! hope this helps HondaPartsConnection Link to comment Share on other sites More sharing options...
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