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1992 Chevy Cheyenne 4.3L engine keeps quitting

Tiny
OLDCHEVYPICKUP
  • MEMBER
  • 1992 CHEVROLET CHEYENNE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
I'm having what seems to be a fuel issue with my 92 Chevy 1500, 4.3L V6. It will start and run until warm, but past that it cuts out during driving or if left at idle. I have already replaced the fuel pump(can hear it running), fuel filter, and the fuel pressure regulator. Once the truck quits, it will restart if I use ether or leave it alone for 30min-1hr. It runs fine but will eventually cuts out again. The truck only seems to cut out near idle speed. There are no check engine lights on at any time.
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Tuesday, October 13th, 2009 AT 12:29 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the fuel pump relay and the fuel pump and oil pressure sending unit
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Tuesday, October 13th, 2009 AT 4:37 PM
Tiny
OLDCHEVYPICKUP
  • MEMBER
  • 2 POSTS
I'll be checking the oil sending unit. We pulled the ECM and swapped another one; still had same problem. Also swapped fuel pump relays before and still had same problem. Fuel pump is new, and am experiencing same problem when I had fuel pump with 40k on it. Truck stalls when oil pressure gets down to 30 or below when in gear, but not always. The truck will then not start, but if you shoot it with ether the truck fires right up and runs like nothing happened. Thanks for advice.

Trey
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Thursday, October 15th, 2009 AT 6:50 PM
Tiny
JAMESQUINN1122
  • MEMBER
  • 2 POSTS
Have found out what was wrong I'm having the same problem with my cheyenne
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Wednesday, March 21st, 2012 AT 12:43 PM

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