Having problems with your 1998 Oldsmobile Silhouette ?

What part throws a code like PO172 - 1998 Oldsmobile Silhouette

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

P0172....System too Rich (Bank 1) - so it's either an air-flow meter or the sensors on the throttle. But you should also check the temperature sensor.
O2 sensor, or vacuum leak.
Repair Help & Product Troubleshooting for 1998 Oldsmobile Silhouette

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