Having problems with your 1998 Oldsmobile Aurora ?

Idles at 1000 - 1200 rpms won't drop

\015 It appears to be in a fast idle mode and the RPM's will not drop below 1000 in park. I have noticed it at 1200. When you put it drive it idles around 700. It seems high to not idle lower.\015 Posted / edited by AnonymousUser on : 16-09-2019

Answers :

High idle could be caused by air inlet duct collapsed loose or air filter element clogged,idle air control valve failed,idle air inlet passage or throttle bore is dirty full of deposit,mass air flow is dirty out of calibration,throttle plate throttle shaft or linkage is damaged or leaking.have vechicle code scan first before buying new parts.
Repair Help & Product Troubleshooting for 1998 Oldsmobile Aurora

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