1970 Chevy Truck Truck Idle

1970 CHEVROLET TRUCK
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JON521
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Engine Performance problem
1970 Chevy Truck 6 cyl Two Wheel Drive Automatic

Why does my truck cut off when its idle? I have to keep pumping the gas to keep it running.
Feb 18, 2010 at 5:19 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Check and adjust ignition timing and A/F mixture and curb idle speed could be loading up with a partially closed choke plate.
Feb 18, 2010 at 6:51 PM
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JON521
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thanks i will do that, I also dont have an exhaust on the truck and the breather is off. could that effect it?
Feb 18, 2010 at 6:56 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the PVC valve and also the heat riser if its opening, to inlcude the thermostatic air cleaner if its opening too
Feb 18, 2010 at 7:00 PM
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