Having problems with your 1991 GMC S-15 Jimmy ?

Severeal cylinders misfire

\015 1997 Chev 1/2 ton 4x4 several cylinders misfire runs rough, but clears up. Idle speed is very fast, also\015 Posted / edited by AnonymousUser on : 13-08-2018

Answers :

Sounds like the TPS (throttle position sensor) usually located where the throttle body meets the intake manifold. It may need re-calibrating or renewing.
Repair Help & Product Troubleshooting for 1991 GMC S-15 Jimmy

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