Check engine light blinks when accelerating spark plugs change but still blinkin

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Had a rough idle in park and when accelerating ,fix misfiring with new plugs improve a little but engine light still blinks when accelerating , also once in awhile it'll jump the rpm high till it catches or let off gas pedal , coil ,o2 sensor what would be the problem?

nakai505 in Shiprock NM

Sep 29, 2016

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RepairPal Certified shops can diagnose and repair your 2003 Pontiac Vibe. 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 blinks when accelerating spark plugs change but still blinkin

What is your question?

nakai505 in Shiprock NM

Sep 29, 2016

1 Reply

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pushrodon Sep 29, 2016

Classic symptoms of a failed ignition coil, strongly suggest replacing all 4 coils! .. Happy motoring.

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 2003 Pontiac Vibe. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.