My 95 Silverado runs like it should when its at operating temp. But when i start it cold i have to give it pedal to keep it running. Then when i take off it is completly gutless for about 3 minutes th

Asked by Nov 21, 2015 at 11:05 PM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

My 95 Silverado runs great after it has ran for a few minutes. But at cold start i
have to give it gas to keep it running then when i take off it is completly
guttless, it struggles to stay running like its starving for gas. I dont smell gas
like when an engine gets flooded. Then after 3 or 4 minutes it snaps out of it
and runs nearly perfect. I replaced the coolant temp sensor but it didnt change.
Any ideas?

1 Answer

72,225

The coolant sensor is a good start as it's information it gives the OBD1 computer information to control the other sensors, Even if your temp. gauge read normal, it still could have ben bad. Next I would check on the Air Idle Control sensor located on the left side of the TBI on the back corner. It has a square plug in on it. I believe Auto Zone can test this, but it gets all gummed up in there and may need to be cleaned by taking out the sensor, cleaning it and the port it came out of. Also when starting cold, have the air cleaner off and look at the 2 injectors in how the spray of gas is coming out. It should be a nice cone shape spray with no droplets of gas. Injectors may be dirty, all you can do is spray clean the outside of them and run a fuel injector cleaner threw the gas, other than replacing them.

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