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1996 Toyota Corolla Repair Question


Topics covered: Emissions.
Mileage: 258,190 miles.

Asked on February 11, 2013

Toyota Corolla Emissions Problem

Hc emissions high 15mph max 64 meas 145. 25mph max 47 meas 51 what could be the problem
Avatar Asked by (pending member)

Answer

Replied on 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.

Tiny Answered by Wrenchtech (expert)
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