Question about 1992 Dodge Grand Caravan

After removing and testing fuel pump in 1992 dodge grand caravan 3.3L pump runs but not priming system. Could dirty sock filter not allow pump to fill and prime?

1 Answer

Marvin

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Dodge Master
85,239 Answers

You have a failing fuel pump, replace the entire fuel pump module.

Posted on Feb 08, 2017

5 Related Answers

Anonymous

114 Answers

SOURCE: dodge diesel lost its prime!

You have to loosen your injector lines one at a time and have someone crank the engine. once you get fuel to that injector,tighten it and move onto the next one. This will be a lengthy process and make sure you have good batteries cause this process could drain them. Good luck

Posted on Dec 24, 2008

Juston

57 Answers

SOURCE: priming fuel system on a 8.1L diesel engine 2001chev 1 ton dual

Well, one problem is, if its an 8.1, its not a diesel. The 8.1, or Vortec 8100, is a gas engine. The DuraMax is a 6.6 engine. There is usually not a priming system on a gas engine, because the fuel pumps will usually get it through the smaller filters used quick enough you dont need them. However, if it is a DuraMax engine, then right on top of the fitting where you mount your diesel filter, there is a primer pump and an air bleed valve. What you do is, open up that air bleed valve ( its a little black plastic octagon shaped thing on the top of the filter mount) then you pump the primer (the silver button looking thing) until you get diesel squiting out the air vent without too many air bubbles or gurgles.

Posted on Jan 23, 2009

gdcroft

192 Answers

SOURCE: 2000 dodge dakota ran out of gas. after filling won't crank

I suspect your fuel filter is clogged. This often happens after you run out of gas because your engine sucks up all the gas in the bottom of the tank where dirt and debris have been collecting for years. I recommend changing your fuel filter and if that doesn't fix your problem, try adding some fuel injector cleaner to your gas.

Posted on Jun 12, 2009

Ernset ( Skip ) Bouvette

1615 Answers

SOURCE: 1992 Dodge Grand Caravan 3.3l dies on highway.

Its normal for the pump to run for three seconds then shut off if the car engine is off. . This indicates that the fuel pump turned on and the pressure did reach specifications. If the pump did not reach pressure the pump would continue to run, You need to check for proper pressure with a gauge. If tthe pressure is ok then you have another issue like an ignition module or crank sensor if applicable. You may have to drive the car with the fuel gauge hooked up to see if you still have pressure when it dies.. I know you said you replaced the pump already but do you have the same issues as before you replaced it. This would indicate which direction you need to go now. If the same then its prabably not the pump.

Posted on Sep 20, 2009

Anonymous

204 Answers

SOURCE: car stop running running @ highway speed. Replaced

Your fuel injector rails should have a pressure release valve somewhere. Pressure needs to be released. Watch out for flying fuel though!!!

Posted on Feb 03, 2010

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How do you prime fuel pump? 2003 Dodge Grand Caravan.

Turn the key on , the fuel pump is computer controlled . The PCM - engine computer will energize the fuel pump relay for two seconds when you first turn the key on ! This primes the fuel system ! Watch this video on fuel system electrical circuits ! Fuel Pump Electrical Circuits Description and Operation

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bring this to a service repair center an have a fuel pressure gauge hooked up to it..it sounds like the check valve in the fuel system is allowing the gas to drain back into the fuel tank, when u press the gas pedal it commands the fuel pump to pump extra gas into the system filling the fuel rails back up with fuel allowing it to start faster....

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My fuel pump runs but no gas comes out do i have to prime tne pump

No, you don't have to prime the fuel pump. I would check or replace the fuel filter first. If filter is ok, then you probably have a bad fuel pump or restricted fuel line from the pump. Hope this helps :)

Dec 18, 2010 | 1992 Dodge Caravan

1 Answer

My 1990 dodge caravan wouldnt start when I returned to it. It sarted to and now it just cranks over. I get spark and I primed the throttle body and got it to fire. I checked for fuel delivery by removing...

The fuel pump rela is located under the hood, driver side, front side of strut tower, rear of headlight, mounted on inner fender well.
However I do suggest jumping the fuel pump to see if pump turns on. Test voltage from ECM if needed. If voltage is to pump, then pump is shot. If not voltage, relay may be bad.
If pump works on jumping it you may have to try and start 5-10 times aka couple minutes. If pressure is still not building and pump is on, then you may want to consider testing the fuel pressure regulator. voltage regulator will handle amount of fuel pressure being delivered to the system. You can test with voltmeter to see if you are getting any voltage to the regulator.

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I need pics of how to change a fuel pump in a 1992 dodge caravan...ty...

Release fuel system pressure.
Fuel tank must be removed prior to fuel pump service.
Using a hammer and a brass drift, carefully tap the fuel pump lock-ring counter-clockwise to release the fuel pump.
Remove the fuel pump and its O-ring from the fuel tank, and discard the old O-ring.

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The engine turns over. There is a spark. How do I tell if the fuel pump is pumping gas into the engine. I put at least 7 gallons of fuel into my 1992 Dodge grand caravan

Hi:
You can do some basic tests to check for fuel. A simple one is to take off the gas cap, and have someone listen for the pump to run for a few seconds when the key is turned on. you can also remove your fuel filter or check for fuel pressure with a fuel pressure guage too. Often you can get a guage loaned to you from the auto parts store, for just a deposit.

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There is not fuse for pump but a relay in the relay block. I do suggest jumping to see if pump turns on. Test voltage from ECM if needed. If voltage is to pump, then pump is shot. If not voltage, relay may be bad

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94 dodge grand caravan no fuel in fuel rail

Dear Ron, you have replaced fuel pump and fuel filter. You have checked the fuel pump relay. Still no fuel in rail. Try bypassing fuel relay with jumper from batt to fuel pump. If o/k then check computer for ground to relay. This system uses a relay that is operated by the computer that supplies a ground for the relay to operate. The wire color is green,16 gage. If the ground is not available then "no fuel" Check this with a test light. Key on and crank apply test light to ground wire and other end of light to ground. You should hear relay click and get fuel. If this checks out you will need to replace computer or get creative with rewiring the relay so it works without computer input. Good luck Moe

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