Question about 1990 Dodge Caravan

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Fuel pump will not run pump has been replaced

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What was the reason for you replacing the pump,
Did you check the fuel pump fuse and relay before replacing,can you hear the pump run for 5 seconds when you turn key to on position,have you check for ground at wire connector at tank,

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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Why the fuel pump don't run and the relay don't click when i turn the key on?


If you can't hear your fuel pump priming then either, the pump needs replacing or the relay. If you replace the relay and you still don't hear the pump prime then it's the fuel pump.

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A 460 engine that acts like its not getting enough fuel. Will start but runs as if only on half the cylinders missing badly or such.


Check your running fuel pump pressure. If (as I suspect) it's too low, first try changing your fuel filter. After changing the filter, recheck the running fuel pump pressure. If still low, check you fuel pump pressure regulator. If OK, you may need a new fuel pump.

Also probably would be a good idea to replace you air filter.

Good luck!

Jan 09, 2011 | 1990 Ford F250

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2001 chevy blazer, have replaced fuelpump,filter,fuel pump relay.Fuel pump does not run everytime key is turned to start.When pump does run the engine runs for a short time and quits.When I try and...


when replacing fuel pumps on alot of chevys its recommended to replace the harness also or you can have repeated fuel pump failures. Do a search on,, why repeat fuel pump failures;; and you'l have some info to go on.

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90 VOLVO Runs, dies, then won't start. Wait then runs then dies


FUEL PUMP GETTING HOT, check fuel pressure, check for spark at the coil sounds like a heat problem, got a blow dryer? when it comes to fuel pumps go to NAPA GOOD PARTS, on the left front door fuse panel jump hot 12vdc to to pump, check for voltage there aswell when it dies

Sep 19, 2009 | 1992 Volvo 240

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Both fuel pump relays run hot. I have replaced both of them. The truck started and ran for about 30 minutes then quit. I replaced the relays and it ran for a few minutes and quit again.


You could have a bad fuel pump relay switch. The fuel pumpmag-glass_10x10.gif relay switch gets the fuel pump running in the vehicle during the start cycle. The terms fuel pump relay and fuel pump relay switch are used interchangeably. The fuel pump relay begins its job when the automobile operator turns to the ignition on, but before the motor is actually running. At that point, the fuel pump relay in some cars sends a signal to the ignition switch, which in turn sends a signal to the fuel pump to turn on. Others fuel pump relays have actual circuitry inside of them that receive the ignition signal and directly signal the fuel pump to engage.

Have a great day!

Sep 05, 2009 | Ford F-350 Cars & Trucks

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4.3 engine will not start, but will run if gas is poured into throttle body, and keeps running.


Check the fuel pressure at the fuel rail if 30 psi is not present it may be a bad fuel pump or fuel pressure regulator.

Jul 14, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

I have a 00 Chevy Tahoe and it runs good but it seems like my fuel pump stops pumping when i stop.


The fuel filter may have gotten to the end of it's life and needs to be replaced, the fuel pump to may be at the end of it's life also and may need to be replaced, or there is a problem with the SEFI system (fuel injectors), but start with the simple for now. Replace the Fuel filter since they should be replaced every 30,000 miles or once a year. If you can lone out a fuel pressure gauge,check the fuel pressure at the shredder valve and the readings with the ignition on the run position engine not running should be 60 to 65psi and will drop about 5 psi when the engine is running, any lower readings would call for the replacement of the fuel pump. Also check the fuses to make sure any of the fuse to the ecm and fuel pump has not blown and needs to be replaced, which also make me wonder if there is 13.5 votls from the battery when the engine is running, if the volts drop to 10.5 the engine will stall and it's also been know that 11.0 volts may not be enough for the fuel pump to run 60 psi with a dirty fuel filter. Good luck and hope this helps. So recap friend, replace the fuel filter and check the fuel pressure, if the pressure is not enough,then replace the fuel filter and fuel pump by dropping the gas tank to get to the fuel pump and don't forget to replace the wire harness to the fuel pump since there is a good chance that wires are going to break and give you problems in the future after replacing the fuel pump. Good luck and hope this helps and the SEFI is good.

Jul 11, 2009 | 1999 Chevrolet Tahoe

1 Answer

Starts then quits


Was there fuel pressure before you changed everything? It could also be the pressure regulator sticking or bad. When you crank it over and let off the key you should hear the fuel pump run for a couple seconds and then shut off. If it is doing that then I would be looking to see if you have likes hooked up wrong at the back of the engine or try replacing the pressure regulator.

Dec 23, 2008 | 1994 Chevrolet S-10 Blazer

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