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1972 Chevrolet Cheyenne Cranks but wont stay on

Tiny
BERETTAHD
  • MEMBER
  • 1972 CHEVROLET CHEYENNE
  • 7.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
I try to start the truck and wont stay on, truck stays on only if I keep it accelerated. Cleaned the fuel lines and put new fuel filters and still wont stay on what could it be?
Thursday, December 18th, 2014 AT 4:52 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Have you tried to set curb idle speed? Have you tried adjusting the air fuel mixture? Does this vehicle have points and condenser?
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Thursday, December 18th, 2014 AT 7:53 PM
Tiny
BERETTAHD
  • MEMBER
  • 2 POSTS
Setting carb idle speed necessary? Since truck has been running good for past years. Could it be that truck has old fuel in it since I havnt pored any in a while?
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Friday, December 19th, 2014 AT 12:59 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
How old is the fuel in the tank? Have you checked for vacuum leaks?
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Monday, December 22nd, 2014 AT 10:12 AM

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