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1992 Chevrolet Truck Cold idle

Tiny
JDUBB2180
  • MEMBER
  • 1992 CHEVROLET TRUCK
  • 4.3L
  • V6
  • RWD
  • MANUAL
  • 130,000 MILES
Here lately when it is cold outside my 1992 C1500 does'nt want to stay running. It will turn over and start just fine but after about 3-5 seconds it bogs down and dies. I have been lucky at times to be able to rock the peddle for about a minute at a time to keep it running. I would have to be able to do this over and over until the truck is warm enough to stay running. I recently replaced the battery and alternator and problem still exists. Can you help me please?
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Sunday, January 5th, 2014 AT 3:49 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Have you checked the fuel pump pressure to make sure it is within the manufacturer's specs? Have you checked for vacuum leaks on or around the engine? Has the check engine light come on?
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Monday, January 6th, 2014 AT 8:47 AM
Tiny
JDUBB2180
  • MEMBER
  • 2 POSTS
No vacuum leaks and no check engine light. Havent checked the fuel pump pressure though. Wouldnt know how to.
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Monday, January 6th, 2014 AT 10:49 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Here is a video showing how to check the fuel pump pressure. Let me know if it helps.

https://www.2carpros.com/articles/fuel-pump-pressure-and-regulator-test-video-all-cars
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Monday, January 6th, 2014 AT 10:59 AM

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