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I have a 1997 4x4 Gmc jimmy sle crossover ,300000km

Shakes while idling and stall at street light ,when light turns green ! Engine light flashing . It has new spark plugs & wires

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  • GMC Master
  • 3,662 Answers

Your description could indicate a misfire and as you haven't complained about a poor road performance it could be injector or compression related or perhaps an intake air leak.

A code read should indicate the reason for the flashing engine light but other than that I suggest you begin with a thorough and careful tuneup.

Posted on Apr 28, 2017

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Posted on Jan 02, 2017

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