2005 Chevy Colorado trk runs fine then stalls at an idle

Tiny
TINMANTOM
  • 2005 CHEVROLET COLORADO

Engine Performance problem
2005 Chevy Colorado 4 cyl Two Wheel Drive Automatic 82000 miles

truck starts up fine then you go to stop at a light or park when it comes to an idle the truck stalls, then starts right back up, sometimes it stalls again immediately. The engine light is not on. I changed the air filter to a K&N, tuned up the engine, changed the fuel filter and transmission filter change. Advanced Auto couldn't diagnose it, so I took it to a mechanic and the said it wasn't getting any vaccum to the fuel pressure regulator or the throttle position sensor. What is the problem.

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Monday, June 14th, 2010 AT 8:20 PM

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