HC EMISSIONS HIGH 15MPH MAX 64 MEAS 145

1996 Toyota Corolla

Tiny

Anonymous

February, 11, 2013 AT 3:51 PM

Hc emissions high 15mph max 64 meas 145. 25mph max 47 meas 51 what could be the problem

1 Answer

Tiny

Wrenchtech

February, 11, 2013 AT 3:57 PM

HC is unburned fuel so you have to look for where it could be coming from. Simply changing the oil will sometimes help a lot but it usually comes down to incomplete combustion/misfire.

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