Car wants to stall runs rough when warm

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03-22-2008, 10:21 PM

scottncincy

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Join Date: Feb 2008

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Car wants to stall runs rough when warm

Runs rough and wants to stall when it gets warm replaced many parts can the catalytic convertor be clogged ???? runs fine for about 10 minutes and under loads ( uphill ) really struggles

03-22-2008, 10:41 PM

Lithorian

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RE: Car wants to stall runs rough when warm

what car.....

03-23-2008, 10:55 PM

scottncincy

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RE: Car wants to stall runs rough when warm

Its a 1994 Sedan Deville 4.9 ltr 130,000 miles

03-24-2008, 10:28 PM

brougham1

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Join Date: Jul 2006

Posts: 424

RE: Car wants to stall runs rough when warm

I would first check the EGR valve both for function and for carbon build up, then test the engine temp. sensor for functionality.

03-29-2008, 05:34 PM

Lithorian

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RE: Car wants to stall runs rough when warm

check the fuel pressure regulator for leaks as well

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