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engine warning light and rought idle start


Guest benjamine17

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  • 4 weeks later...

Try using Sea Foam additive or similar product available at Walmart & other auto part stores.

Dirty valves with carbon deposits could be one of the causes. That causes lower compression, misfires and rough idling. I am assuming your car is mechanically & electrically in good shape.

If that does not solve the problem, your car will need a valve job. $1500-$2500.

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  • 2 months later...
On 4/25/2017 at 8:55 AM, Bobby MSME said:

Try using Sea Foam additive or similar product available at Walmart & other auto part stores.

Dirty valves with carbon deposits could be one of the causes. That causes lower compression, misfires and rough idling. I am assuming your car is mechanically & electrically in good shape.

If that does not solve the problem, your car will need a valve job. $1500-$2500.

1

Yup, this worked for my brother as well. He was having the same problem with his Spark. The Sea Foam additive did the trick.

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