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2002 Pontiac Bonneville SE 4dr Sedan

2002 Pontiac Bonneville
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
20 mpg city / 29 mpg hwy
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July 2, 2009, 2:34 pm

Alicia B

Question: Check Engine Light

My check engine light came on and at 128,000 miles and the owners manual is vague on what in emmissions is wrong? It's not flashing, steady on.Will a tune-up help? Should I have the Cat. Converter replaced?Help!

January 4, 2010, 5:20 am


I would recomend having the system scanned for codes and that will norrow down what your problem may be.

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