Improperly Adjusted Valves May Cause Emissions Failure/Rough Idleon Toyota Paseo

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.

RepairPal Verified
Average mileage : (–)
6 Years Affected: 1992, 1993, 1994, 1995, 1996, 1997
6 people reported this problem
0 people shared problem details
Related Items:
recently replaced 02 sensor and idle air control valve also did tuneup before this now car idle...
my 94 toyota paseo wont pass smog because the idle is at 2000., how would i fix that? and is it...
The Throttle Position Sensor can get out of adjustment due to wear in the throttle body or due...
The idle air control motors tend to become carboned up at around 100,000 miles and will cause a...
Idle speed decrease to around 500RPM then cut off after drive around 10 miles. Wanted to remove...

Related Content