Question about 1990 Pontiac 6000

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Fuel pump runs for 20 seconds after shutoff It has been stalling lately

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  • 16 Answers

POSSIBLE - * IGNITION CONTROL MODULE *
In some cases the ICM will continue to send GROUNDS(power+/-) to your fuel injectors , fuel pump , ignition coil(s) after the key has been shut off. I just finished up a 1992 Corvette 5.7 l that would only fire when you let up off the starter . The ICM is going bad in my opinion and not responding to the PCM / ECM commands or a delay in response ( 20 seconds after shut off )
Hope this Helps , Flaming Ratchets Auto Repair

Posted on Dec 06, 2013

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Posted on Jan 02, 2017

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detour342
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SOURCE: Runs fine in cold weather when outside temp. is

check that radiator is not blocked by debris leaves etc...

Posted on Jul 07, 2010

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1 Answer

Start up idle 20 seconds and stalls and other times it starts and wont go pass1200 rpn


HI CHECK THE FUEL IN TAKE AS THERE MAY BE JUNK IN IT OR THE FLUTS IN THE FUEL PUMP

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Fuel shutoff? Are you talking abouty the inertia switch? Are you aware that you will only have power to the inertia switch and to the fuel pump for about 2 seconds when the ignition switch is turned from OFF to RUN? If you are checking for voltage here after that time, you are not SUPPOSED to find any.

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FUEL PUMP SHUT-OFF SWITCH

After a collision, if the engine cranks but does not start, the fuel pump shutoff switch may have been activated. The shutoff switch is a device intended to stop the electric fuel pump when your vehicle has been involved in a substantial jolt.
1. Turn the ignition to the OFF position.
2. Check the fuel system for leaks.
3. If no fuel leak is apparent, remove the cover plug in the trim and reset the fuel pump shutoff switch by pushing in the button on the switch.
4. Turn the ignition to the ON/RUN position. Pause for a few seconds and return the key to the OFF position.
5. Make a further check for leaks in the fuel system.

The fuel pump shutoff switch is located in the passenger's foot well, behind the kick panel. The reset button is accessible through the recess in the kick panel.

Replace the cover plug in trim after reset procedure.

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THis and other details can find in the Owners Manual.

Hope helps (remember rated and comment this).

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I have a 1994 Toyota Celica, lately when im in neutral the rpms begin to drop and when i give it gas the car stalls out or it stays under 2 rpms after second gear.


Look and listen for vacuum leak Free,Change air filter $15, change fuel filter$20, replace fuel pump$300.
S
With motor running and your head under hood listen for hissing sound. Then start replaceing filters first air filter , then fuel filter. Check fuel pump by listening for humming noise at gas cap when you first move key in ignition to on (when the red lights go on). Have someone listen for you at the gas cap.(NO hum need pump)

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?87 F-150 5.0 stalled and won?t restart. Electric


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1 Answer

No power in fuel pump wiring


If you have the ignition in the on position remeber the fuel pump only runs for a couple of seconds unless the car is activley being started

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