Question about Chevrolet Lumina

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1992 chevy lumins with a 3.8 v6, it occasionaly sputters and dies while driving down the road, and will not restart until it has sat awhile, mechanics who have checked have not found a problem. could this be caused by the fuel pump or is there another solution

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  • gil_lebron Jul 16, 2009

    thank you, you been very helpful

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  • Chevrolet Master
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Hi

This problem is most likely to be fuel pump related. If you have replaced the fuel filter (you should do) the next step is to get a pressure test done on the fuel system.

You should also clean out any carbon or gungy deposits from the throttle body itself.

Another possibility here is a blocked catalytic converter which is causing build up of pressure in the exhaust flow and forcing vehicle to stop after a period of operation.

It would be inportant to have the vehicle scanned for any fault codes as this problem can also be caused by the vehicle going into "limp home" or safety mode if the engine management system is being triggered.

Hope this helps. Please remember to rate my answer. Many Thanks.

Posted on Jul 16, 2009

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