Mechanics

TOYOTA COROLLA EMISSIONS PROBLEM

1996 Toyota Corolla • 258,190 miles

Hc emissions high 15mph max 64 meas 145. 25mph max 47 meas 51 what could be the problem
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Guest
February 11, 2013.




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.

Wrenchtech
Feb 11, 2013.


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