Question about 1985 Chevrolet C2500

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1985 chev p/u 5.7l will not stay running

Replaced fuel pump. got fuel/got spark/all good.runs 2 sec.

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  • Contributor
  • 16 Answers

Its carb right if all ealse fails ck there

Posted on Dec 04, 2014

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Posted on Jan 02, 2017

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SOURCE: Fuel pump not delivering fuel.

start the car and get somebody to hit the gas tank with a hammer most of time it will start bad gas pump thanks pierre

Posted on Oct 02, 2008

phoenixinks
  • 89 Answers

SOURCE: replaced the fuel pump and wont stay running. do i need to reset?

check the fuel filter. after that start working your way towards the injectors checking everything along the way

Posted on Jan 14, 2009

motor1258
  • 6674 Answers

SOURCE: fuel pump not staying on 1993 k1500 350

Some GM products also incorporate the oil sender switch into that circuit for fuel pump, so that in case of an accident, engine shuts off, oil pressure drops, in turn, shuts off power to fuel pump. May be worth a look at what your getting for oil pressure, as well as checking switch/sender.

Posted on Feb 13, 2009

Molson02536
  • 3854 Answers

SOURCE: fuel pump problems 2003 s10 chev 4.3 v6

Your ECU is what acctivates your fuel pump realy. Put the key on the run possition and pull the ecu fuse for a few seconds and reinstall it ans it should accivate your realy for 5 seconds, Good luck.

Posted on Apr 06, 2009

  • 306 Answers

SOURCE: S10 won't start after it rains. Replaced fuel

Dump the gas in the fuel tank

Posted on May 07, 2009

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1 Answer

My '99 chevy truck with 5,7L 350 will start but wont stay running. put new fuel pump and relay switch in


First you must determine if the fuel is stopping or the spark is stopping..If the fuel is stopping this could be a computer problem.. If the spark is stopping then it could be the IGN Module in the distributer. or any nomber of sensors. Squirt a little fuel directly into the Throttle body on the intake manifold.. If the truck runs longer its probably loss of fuel.. Do this several times to make sure, be careful and only use a small amounty of fuel.. you do not want a fire.. RE: Spark: Take a plug wire and an old plug..put the wire on the plug.. hold the plug against a good ground .. have someone crank the engine .. does the plug stop firing? The engine dies.. and will not restart for a minuet or so.. during this "no start" time do the plug test. If the plug will not fire during this time take the module out and take it to Orillys Auto parts.. They can test it.. really expensive part. Don't replace until you know it is BAD..

May 14, 2014 | 1999 Chevrolet K1500

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I have a 1985 fiero se v6 that was running fine but cutting off after warm up


Do you know what you are loosing when the engine stops running ?

Jan 16, 2014 | 1985 Pontiac Fiero

1 Answer

Car startsfor a few seconds then dies


Fuel pump and filter are suspected, consider replacement.

Dec 07, 2013 | 1985 Chrysler LeBaron

1 Answer

2002 cavalier 2.4 will not start fuel pump runs has spark


FUEL PUMP ONLY HUM'S FOR 2 SECONDS WHEN YOU TURN KEY TO ON, NOT START, POSITION. YOU CANNOT HEAR PUMP RUN WHEN CAR IS RUNNING ! THIS 2 SEC., IS THE PUMP PRIMING ITSELF TO START ENGINE. YOU MIGHT BE HEARING EITHER THE POWER STEERING OR WHATEVER, NOT THE FUEL PUMP!!!!!! GIVEN THE YEAR OF THIS CAR, YOUR FUEL PUMP COULD BE BAD, CHECK FUSES, RELAY, GROUND WIRES, TO PUMP, ALSO CHANGE YOUR FUEL FILTER !!!!! AIR FILTER ALSO !!!!!!! SPARK PLUG WIRES SHOULD ALSO BE REPLACED !!!!

Mar 24, 2013 | 2002 Chevrolet Cavalier Coupe

1 Answer

Wont start


I understand you replaced the relay but not the pump, right ?
Has the fuel filter been replaced recently ? Are you sure there is gas in the tank ?
You should be able to jumper the pump relay and check fuel pressure.

Aug 17, 2012 | 1998 Volvo S70

1 Answer

Engine runs extremely rough, seems to be fuel related, new fuel pump & filter installed, pressure good, run 2 bottles of injector cleaner through. Can't get to stay running under load. 1998, chev....


Have you changed the plugs, if any are fouled out or if any are worn, it takes more to fire it under load and may be spark knocking because one of the plugs can't fire off all the gas and cause it to skip or idle rough.

Jan 18, 2010 | 1998 Chevrolet K1500

1 Answer

1985 Chev Celebrity wont stay running


The filter you chg. an inline filter? Is there a filter in the carb.where fuel line connects, some had a brass screan in the carb. you can chk. the fuel pressure without it running, just unhook line at carb. put it into a plastic bottle or something to catch it and have someone turn engine over if it squirts out good thats enought for it to run they only put out about 6 to 8 lbs. of pressure. I don't think that solenoid would keep it from running, when it will run on either. but maybe if you unplug it and see what happens. It suunds to me to be a fuel dilivery problem, either something restricting the flow to carb. or you got a bad pump.

Apr 14, 2009 | 1985 Chevrolet Citation

1 Answer

1985 toyota extracab 22r-e cranks but won't start


as long as your volt meter is capable of measuring OHMS you can test wires, find the main power wire to the fuel pump and measure for voltage when you turn the key on(3-4 sec) if power is present at the fuel pump, and the pump don't run, then replace it

Mar 23, 2009 | 1985 Toyota Pickup

2 Answers

1985 conrvette


poss. is fuel pressure reg. problem. put a guage on the test port and check press. should be above 35psi. see if it stays running when you spray choke cleaner in the pcv valve steadily while starting. if the engine stays running after a few seconds of running on choke cleaner then probably a bad fuel pump relay cause the oil pressure switch will keep the pump on without the relay when it has good oil pressure.
let me know if ya can do this or if it helps.

Jul 04, 2008 | 1985 Chevrolet Corvette

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