Question about 1992 Chevrolet C1500

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Runs then just cuts off

Cranks runs then few minutes just dies. new fuel pump an fuel pump relay

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  • Expert
  • 61 Answers

If your car have sensor, replace oil sensor, or try to disconnect the oil sensor then start the engine, or make sure the water and oil level are ok

Posted on Oct 28, 2012

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6ya6ya
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Posted on Jan 02, 2017

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mastatech
  • 478 Answers

SOURCE: Chevy C-1500 dies after running for a while.

My c1500 is on its 4th fuel pump and machanics all tell me its just a problem with this truck. However They put a napa brand one on after a motor rebuild 3 years ago and I have not had a problem since. You may need to put a fuel injector cleaner through it. There is a valve at the top rail and if it is a vortec you need at least 65 psi there when its runnining the throttle body needs like 35psi.

Posted on Jul 10, 2010

fixincars
  • 335 Answers

SOURCE: 2004 cavalier fuel problem?

Please call me its easier to explain on the phone, in the mean time try something easy hit the fuel pump on thebottom with a brick or rock then have someone listen to the fill neck of the tank for the two second "buzz" as soon as you turn on the ignition, has this vehicle been run way way low on fuel many times or the fuel filter neglected to been changed at the 15,000 miles interval?
call me or I can call you 253-691-6206

Posted on Aug 24, 2008

  • 2 Answers

SOURCE: 2001 cavalier barely starts,sometimes runs

Three things.
First, you need to check the MAF sensor for contamination.

Second, check fuel pressure, if you dont have a gauge, autozone and Advance have them on their tool loaner program.
Should see 35-40 psi with key on engine off, cycle key a few times, if it takes a while to build up, replace filter and retest.

Third, possible convertor blockage, easiest check is to remove the 02 sensor and try to start with the hole open, if it runs, then that is it, specs allow for 2-3 lbs of back pressure max. That means if you can hear pressure escaping, it is a problem area.

Posted on Sep 01, 2008

GM Elec
  • 1000 Answers

SOURCE: 92 Chevy Suburban Electrical Fuel System

I assume the fuel pump fuse is good?
The only time voltage will be sent to the fuel pump will be the first 2 to 3 seconds if the starter is not engaged. You will want to crank the engine over and check for voltage on the load side of the relay, circuit #30 at the relay.
Let me know after you check.
Regards,

Posted on Feb 23, 2009

ourhowse
  • 2007 Answers

SOURCE: CAR WILL START AND RUN FOR A FEW SECONDS THEN DIES

Mass air flow sensor.

Posted on May 13, 2009

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1994 Ford Ranger 4.0 cranks runs about 1 to 1 1/2 minute and cuts off.


There are 2 relays in the relay box that could cause this problem the EEC relay and the FUEL pump relay the best test for EEC relay back probe the throttle position sensor for the 5 volts reference signal run engine and watch to see if you lose this voltage. and fuel pump relay install a fuel pressure gauge to fuel rail service port and check to see if pressure drops to zero.

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On frist attemp to start car, cranks then dies after few seconds ckd fuel rail , had no pressure , replaced fuel pump regulator , no help !


do you hear the fuel pump turn on when you turn the key to the run position? If not the check the fuel pump relay.

If the car will start and run for a few seconds then die, It may well be the crank position sensor.

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