2001 Chevy Tahoe stalls at idle or when turning slow


I have a 2001 Chevy Tahoe with 87,000 miles. Within the last 4 to 5 months the SUV has been stalling will at idle or turning in a parking lot. It runs good while driving at a constant speed. However, I do notice the car surging or the RPM jumping as we are traveling. On long trips (250 miles) with AC going, at the end the check engine light will illuminated for a couple of days then disappear. This only happens on long trips. I have changed the fuel filter, air filter, PVC valve, and battery. The only thing I have not changed is the spark plugs. The last couple of days after getting the PVC valve changed the car has died three times each day. I can place the car in neutral and it starts right back up again. Do you have any ideas or suggestions? Thanks for the help.


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Monday, May 14th, 2007 AT 3:22 PM

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Clean out the throttle bore around the butterfly with a little carb cleaner and a rag. Scan the PCm to get the codes, might give us a place to start. Also might want to go ahead and do the plugs and wires, I suggest A/C Delco parts. One other thing, the fuel pressure regulator is on the fuel rail, D/S and has a vacuum line going up to intake, remove vacuum line after shutting off the engine and look for raw fuel in the line, if present replace the regulator

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Monday, May 14th, 2007 AT 5:32 PM

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