A rough idle and even an emissions inspection failure for high HC and CO can be caused by improperly adjusted valves. Also, exhaust valves may become to tight which can lead to valve failures. Our technicians tell us that regular valve adjustment inspections are a must.
Improperly Adjusted Valves May Cause Emissions Failure/Rough Idle on Toyota Camry
Average mileage: (–)
8 people reported this problem
0 people shared problem details
Where is the IAC valve located, a photo will be good, A photo of actual throttelbody with IAC v...
The past few weeks I've been having idling issues. When I'm stopped at a light, the car at tim...
It would drive fine for a few but when slowing down for turn or red light/stop sign it would id...