Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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SATURNTECH9
AUTOMOTIVE REPAIR CONTRIBUTOR
30,869 POSTS
Usually the check engine light flashes when you habe a missfire that is bad enough to damage the cat.The first thing you need to do is have the computer scanned for codes.Let me know the exact code numbers you have.Not code descriptions.