Question about 1992 Geo Tracker
This is cause because the ISC is busted or can not open enough to keep idle at 800 rpm.
ISC , idle speed controller
the car has a TPS switch on the throttle body.
if it fails to close at idle the ecu will never attempt to set idle.
car could be flooding. (too much gas)
you did not say if motor is 8valve or 16v and they are quite different EFI systems.
Posted on Apr 30, 2009
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Posted on Jan 02, 2017
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