CAR WONT SART COLD

  • Tiny
  • bobbowman
  • 1985 Chevrolet Corvette
  • 180 miles

Car wont sart cold. It can only be started cold with a puff od sarting fluid. When it starts it runs a little rough getting smoother as it warms up. Engine sarts normal once warmed up. There are No check engine light on & no codes stored. I Have changed the spark plugs doing acmpression test at the same time all cylinders 155-165psi. Checked all ignition wires for proper resistance good. Noid light on injector plug shows injectors getting pulses. Cleaned MAF still no cold start. Unpluged MAF still no cold start. Checked for vacum leaks using propa ne with engine running. No sign of leaks. What could be causing it not to start cold?

Thursday, February 14th, 2013 AT 3:36 AM

3 Answers

  • Tiny
  • CJ MEDEVAC
  • Expert
  • 9,179 posts

IS FUEL PRESSURE WITHIN SPECS?

THE MEDIC

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Thursday, February 14th, 2013 AT 3:49 AM
  • Tiny
  • bobbowman
  • Member

Yes, fuel preasure when key turned on is at 40psi. About 35 when cranking.

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Thursday, February 14th, 2013 AT 12:12 PM
  • Tiny
  • hmac300
  • Expert
  • 43,032 posts

Fuel pressure shold be 41-47si if anything below that it's to low

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Friday, February 15th, 2013 AT 12:35 AM

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