3.1 engine dies after idling 2 or three minutes

70

Asked by May 15, 2015 at 08:18 PM about the 1996 Chevrolet Corsica 4 Dr STD Sedan

Question type: Maintenance & Repair

1996 Chevy Corsica 3.1L 150,000 Miles
The Engine runs rough and dies after idling for approximately 2 or three minutes. It only does this when first started when cold, after it warms up no problems.
There are no service engine soon lights  
Replaced the lower and upper intake manifold gaskets
Replaced both oxygen sensors
Just Replaced the Coolant temperature sensor
Replaced spark plug wire and plugs
I feel like it's a sensor problem, but don't have a clue which one it might be, I thought it might be the EGR Valve, but I don't know what the symptoms are with those.
This engine runs Great after I restart it and let it warm up a little, , which led me to believe it was the Coolant temp sensor, appears this was not the case. Thank You

1 Answer

70

Sill not setting any Codes Still doing the same thing after: Replacing both intake manifold gaskets Again because of oil leaking from around both ends of the lower intake manifold, thought it might have been leaking air. Replaced the Coolant temperature sensor (Again) New EGR Valve New Camshaft sensor (not Crankshaft) New IAC sensor New Fuel Pump (47 Lbs at fuel rail) Still running rough after idling for 2 or 3 minutes, will start right back up if it dies

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