Question about 1997 Pontiac Firebird

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Car jumps from silonoid run 5 to 8 seconds dies can repeat over and over new fuel pump new ignission pleas help

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  • joyellowhors May 11, 2010

    Listen for fuel pump humm at fuel tank, when does it stop?

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Did u replace key & lock cylinder or ignition switch,,??if u have no power at ignition switch(ck with test light) look for broken wire off starter ? ck power at fuses,,ect,,

Posted on Feb 09, 2010

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I have a 1993 Pontiac transport van and it will start up and run for 5 or 10 seconds and die


You may want to do a fuel pressure test to start. The pump could be defective. The fuel pressure should hold steadily and not decline with the pump off. If the fuel pressure falls, you either have a fuel leak, stuck injector, faulty fuel pressure regulator, or a bad fuel pump check valve. If the pressure holds at the correct spec, note the pressure as the engine runs and then dies. If the guage shows correct pressure, you can then move on ruling out the fuel system.

Apr 03, 2013 | 1993 Pontiac Trans Sport

1 Answer

My 1989 f350 duelly starts in am and dies quickly bought coil and ecm cap rotor and backfires and shakes and dies any ideas.i was thinking distributor or fuel pump please help


If you spray starting fluid in the air intake, does it stay running? I would go to harber freight and get a cheap fuel pressure tester and hook it into the fuel line. It hsould be about 40 psi, and hold for about 30 minutes after shut down without bleeding down too much, like 5 psi.

Try this too. Turn key to ON, wait 5 seconds for the pump to shut off. Then turn key off and listen for the realy to "Cclick" under the dash (about 10 seconds). Repeat this. Then start engine. This primes the lines & injectors if you are getting bleed down due to a bad check valve in the fuel pump.
report resuts. pleasre rate assistance.

Aug 12, 2011 | 1989 Ford F 350

1 Answer

1999 saab 95 would not start.i was not getting fuel, checked the valve on injector and no pressure. removed fuel pump and jumped motor and motor run good.turn on key and pump runs 5 seconds. could it be...


Fuel Pump relays are designed to run only momentarily until engine is running.Even if fuel pump runs it probably won't maintain enough pressure if you had no fuel pressure at the fuel rail.Sounds like a new pump is the ticket.

Feb 09, 2011 | 2008 Saab 9-5

1 Answer

My 1978 ford bronco dies and doesnt want to restart. The motor has 2000 miles on it. It has a new electric fuel pump,coil distributor, cap,rotor, wires, plugs. it does the same exact thing with 2 diferant...


Float could be stuck, if it's carbureted or gasket under carb could be loose. Tighten and also put new filter in it. Could be bad injectors, if it's EFI which I doubt knowing the year. Could be choke setting wrong. I like manual choke myself. Try starting it with something holding choke open like a screwdriver handle. Something not too flammable.

Jun 25, 2009 | Ford Bronco Cars & Trucks

1 Answer

1987 k-5 blazer cranks and starts but won't stay running


Sounds like a large vacuum leak,low fuel pressure,fuel pressure regulator failure, idle air control valve stuck open,plugged fuel filter.Also check for good consistent blue spark at spark plugs or jumped timing chain.Hope this helps!

Jan 25, 2009 | 1987 Chevrolet Nova

1 Answer

1997 Grand Prix GTP starts but wont run for more than 5 Sec


is this a supper cahrged grand prix if so check fuel pump resistor located behind right front head light or on fire wall its made of white ceramic has to wires going to it jump the two wire on the connection going to it if it runs longer then 15 min then replace resiustor.

Jan 03, 2009 | 1997 Pontiac Grand Prix

1 Answer

Starts up and dies


Let me explain real quick the fuel pump circuit, when you crank to start that is a straight circuit to the pump via a fuse in most cases, when the engine starts and you release the key the fuel pump relay is energized and keeps the fuel pump running, it sounds like the fuel pump run relay may be the problem with your car, replace it or bypass it to test, if you don't understand how a bosch relay is wired don't jump it yourself, you can burn up the wiring.

Nov 05, 2008 | 1992 Mazda MX-3

1 Answer

1999 Regal GS Super charged, Starts,runs 3-5 sec and dies


i gaurantee that it is the fuel pump ressistor up on the passenger side front behind head lamp assembly you will find the connector with two wires going to it. no need to remove old one install new one and connect wires to new one leave old in. dealer only part but not expensive. dont belive dealer when they try to talk you out of it. This is a kit to relocate a ressistor that has been installed in a poor location. I promise this will fix it. My wifes car did the same thing, took 20 minutes to fix and that is only because i am an electrician and am finicky about where to locate wires etc. the kit comes with installation instructions however they are a little vague. trust me. easy fix. my dealer tried to get me to leave car for repair and said it sounds like the theft detterent system. they were wrong and i was right. dont trust em

Jul 07, 2008 | 1999 Buick Regal

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