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

3 Answers

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

1 people found this helpful.

Runs good but starts bucking in high gear let off gas seem to stop for couple min

5

It's your TCC solenoid. If staring at the engine from the front bumper, it's connector is located right side nearest the front bumper right below the air filter case, unplug it and done. fIf the solenoid is failed then once the vehicle is warmed up it will shut down and run rough till it's cooled down. I know because of my 89 2.8l v6 Corsica had the same issue and unplugged it myself at 119,000 and still driving 3 years later with 130,000

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