Mechanics

TOYOTA COROLLA ENGINE PROBLEM

1989 Toyota Corolla • 229,810 miles

Failed the smog registered gross polluter idle keep going up and down some leak starts and run fine. Do I need to overhaul or replace engine?
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Guest
March 8, 2013.



That would depend on what is wrong. Emission problems are usually due to faults such as fuel, ignition or exhaust system. It could even be due to vacuum leaks so you need to have the problem diagnosed to find out what needs to be done.

KHLow2008
Mar 9, 2013.