Engine idles rough and Check Engine light on. What are possible solutions?

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While traveling at freeway speed, the check engine light came on. The next time I came to a stop, the engine idled very rough. I had to shift to neutral while stopped and rev the engine to keep it from dying.

mikebow in Conyers GA

Jul 2, 2012

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Chevrolet Express 3500. 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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Engine idles rough and Check Engine light on. What are possible solutions?

What is your question?

mikebow in Conyers GA

Jul 2, 2012

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globalhelperon Jul 2, 2012

have codes scanned at auto zone and post so we can adv

mikebowon Jul 7, 2012

The codes are 300 and 101. Thanks.

globalhelperon Jul 7, 2012

po300 is random misfire not sure on 101 till i get to work.il adv on minday if you still need it. but misfire issues can ve sevral issues.could be tune up or inj problems or a number of sensors. i rec a diag and est from your mech

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Chevrolet Express 3500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.