1994 GMC Sierra Logo
Posted on Feb 20, 2011
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Starts and runs good then suddenly ck eng lite come on and it dies. Will start back up with holding gas pedal on floor and die again soon...repeat...

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  • Expert 150 Answers
  • Posted on Feb 20, 2011
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Joined: Feb 06, 2011
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Your vehicle is equipped wit the OBD!1 (on board diagnostic system ) when your check engine light turns on it is setting a code. You need to have it scanned to get this code. This will point you in a direction to your problem. When you place the accelerator to the floor you put the system in the clear flood mode which is allowing you to start but then the problem takes over and kills the engine.

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