Hey all,
Got an issue with my 2000 gli lancer coupe 1.5l manual. Stock engine with only a 2 inch tip.
It has an rough idle and small misfire.
What i have done so far to try fix the issue:
Replaced spark plugs (Tips where white and corroded
Replaced ignition leads
Replaced distributor cap and o-ring (contacts where corroded)
Replace fuel filter (leaking)
Replaced rocker cover gasket (leaking)
Removed ISC and cleaned that and TB/manifold with throttle body cleaner (used toothbrush to get right inside manifold)
Removed and cleaned TPS
Checked TPS voltages (.92v and 4.97v)
Checked throttle cable tightness
Completed oil flush and change
Bottle of injector cleaner
Bottle of valve cleaner.
Checked hoses and couldnt see any leaks but will look into getting a smoke test to confirm no vacuum leaks.
It will sit at 1200rpm when cold (as it should) and then slowly drop to 800 once warm (stock idle is 750 +/-100rpm). Once it goes below 1000rpm the revs started bouncing by about 150rpm when stopped at lights whether in gear or not. Every now and then it will drop to 500rpm or so then i have to press the pedal to bring it back up again. If i adjust the idle to 1000 it sits perfectly and doesnt jump or misfire anymore.
Could my ISC be on its way out?
I do need to get the timing checked properly due to removing the distributor to change the o-ring as well.
Any advise would be most appreciated.
Got an issue with my 2000 gli lancer coupe 1.5l manual. Stock engine with only a 2 inch tip.
It has an rough idle and small misfire.
What i have done so far to try fix the issue:
Replaced spark plugs (Tips where white and corroded
Replaced ignition leads
Replaced distributor cap and o-ring (contacts where corroded)
Replace fuel filter (leaking)
Replaced rocker cover gasket (leaking)
Removed ISC and cleaned that and TB/manifold with throttle body cleaner (used toothbrush to get right inside manifold)
Removed and cleaned TPS
Checked TPS voltages (.92v and 4.97v)
Checked throttle cable tightness
Completed oil flush and change
Bottle of injector cleaner
Bottle of valve cleaner.
Checked hoses and couldnt see any leaks but will look into getting a smoke test to confirm no vacuum leaks.
It will sit at 1200rpm when cold (as it should) and then slowly drop to 800 once warm (stock idle is 750 +/-100rpm). Once it goes below 1000rpm the revs started bouncing by about 150rpm when stopped at lights whether in gear or not. Every now and then it will drop to 500rpm or so then i have to press the pedal to bring it back up again. If i adjust the idle to 1000 it sits perfectly and doesnt jump or misfire anymore.
Could my ISC be on its way out?
I do need to get the timing checked properly due to removing the distributor to change the o-ring as well.
Any advise would be most appreciated.