Check engine light

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My check engine light comes on/off. The vehicle is at 150XXX miles but the engine is not (new engine). Vehicle is slugish at times and needs a tune up but this would not call for the engine light coming on. Is this a preset command in the computer? How is this reset.

JenB in Fenton MO

Jan 3, 2009

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RepairPal Certified shops can diagnose and repair your 1994 Oldsmobile Silhouette. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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Check engine light

What is your question?

JenB in Fenton MO

Jan 3, 2009

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hemicudaon Jan 5, 2009

Sounds like a failing oxygen sensor, sometimes weak oxygen sensors will make the check engine light go on and off.

Visitoron Sep 9, 2010

Also might try cleaning or replacing the Mass Air Flow Sensor

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Popular Answer

What are the best Oldsmobile repair shops?

RepairPal Certified shops can diagnose and repair your 1994 Oldsmobile Silhouette. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.