Question about 1999 Dodge Caravan

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1999 dodge caravan replaced fuel pump and filter checked fuse and relay can hear pump prime for about a second but have no pressure on rail what else can i try

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You install the filter backwards

Posted on Jan 02, 2017

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  • Dodge Master
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The PCM /ECM won't energize the fuel pump relay while cranking the the engine ,unless it get's rpm signal from the crank sensor . Is there spark at the plug wires ?

Posted on Dec 30, 2016

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  • Darrell Clement
    Darrell Clement Jan 02, 2017

    yes have spark.

  • Jeff Armer Jan 02, 2017

    Did you hook up a fuel pressure ? How did you check for fuel pressure at the injector rail ? Or just Push the schrader valve ? Did you test the electrical circuit , fuel pump relay .
    https://www.youtube.com/watch?v=Rqtfrx-H...

  • Jeff Armer Jan 02, 2017

    Fuel pressure gauge !

  • Darrell Clement
    Darrell Clement Jan 02, 2017

    had a borrowed pressure gauge it was about 5 lbs then dropped after the first few seconds. checked fuses and relays.

  • Jeff Armer Jan 02, 2017

    Try jumping the fuel pump direct ! At the relay , do you know how to do this ? If you pull out the relay and look on the bottom you will see four set's of numbers . 30 , 87 & 85 , 86 . If you take a piece of 12 gage wire and jump 30 to 87 this will send B+ voltage direct to the fuel pump . Jump 87 to 30 in the place the relay plugs into . One of these will have B+ voltage the otherr goes to the fuel pump. test for Voltage at those pins one should have 12.6 volts !

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  • Dodge Master
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Maybe a clogged or damaged fuel line

Posted on Dec 30, 2016

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Posted on Jan 02, 2017

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2 Answers

1999 chrysler 3.5 lhs fuel not going to injectors


Then your fuel pump is not working, or your fuel filter is blocked. You will probably have to check your fuel pump circuit if you have no fuel pressure in the fuel rail, where the injectors sit. There is a fuse for the pump, usually in the under hood fuse/relay block. That is probably also where the fuel pump relay is located. You should hear or feel this relay click when the ignition key is cycled from off to on. Also, when the key is turned to on, you should hear the fuel pump in the gas tank turn on for about 2 seconds. This will put the pressure in the gas in the fuel rail, for starting the engine. If you don't hear the pump turn on for that 2 second period, it is probably a bad fuel pump. But know the fuse is good first.

Sep 25, 2015 | Chrysler Cars & Trucks

1 Answer

No fuel pressure on 1993 Dodge Dakota, How do I check the fuel pump? I cannot hear it run.


If you cannot hear the fuel pump prime up when you turn the key to on there is a fault with your fuel pump. check the fuse in the fuse relay box and the 2 wired connections on the fuel pump, if still no good than replace the fuel pump

Oct 09, 2012 | 1993 Dodge Dakota

2 Answers

No fuel up to injecter pump truck just stalled


Did you check for fuel pressure on the line from the tank while you had the filter off? Do you hear your fuel pump prime when you turn the ignition on? First I would listen for the hum of the fuel pump when you turn the key to the run position (not starting the engine) May have to get a helper and listen at the gas filler neck with the cap off. If you dont hear your fuel pump, check your fuses and relays. If the relay clicks when your helper turns the key on ( put your finger on the relay and ear down close to feel/hear the relay actuate)., and fuse is good, yet you do not hear the pump prime, I would say your fuel pump is shot.

If it is a diesel,check for fuel pressure coming off the direct drive pump hose while cranking the motor.

Mike

Jun 14, 2011 | 1994 Dodge Ram 3500

1 Answer

My 1996 Dodge Caravan is not getting any gas upfront. I have already replaced the fuel filter and the fuel pump and still the problem is not resolved, Is there any other reason why this problem could still...


check your oil pressure make sure the oil switch is hooked up and check your auto shut down relay. Check your fuses for efi
make sure your fuel pump is working there should be a test plug under the hood to power the fuel pump to see if the pump is working. says fp on the terminal. sometimes you need to prime the system with turning the key on position no crank
then repeat on off on off on off on off on off. Then start. You should hear the fuel rails flowing fuel. short bshht. if not check your fuel pump relay. these circuits run through the computer you need to check outputs and power points. Probably need a wirieng diagram. check for spark if they are like the old chryslers the pick ups are famous for failing in the distributor

Dec 12, 2010 | 1996 Dodge Caravan

2 Answers

My 2000 dodge caravan isn't starting on it's own but when we added gas directly into carberator it did what could the problem be


fuel pump relay or fuel pump. check power fuel tank for a three second prime. if power, then replace pump. if no power, check fuses and power to relay.

Sep 11, 2010 | 2000 Dodge Caravan

1 Answer

My daughter has a 2000 Dodge Caravan 3.8..Its got no pressure in the fuel rail..First i replaced the fuel filter,,Then put in used pump..still nothing..So i returned it and got another pump.Still no...


When you turn on the ignition to start vehicle can you hear a buzzing sound coming from the rear of the vehicle. That sound is the fuel pump pressurizing the fuel system. If you do not hear that noise then the pump is not working. Check fuel pump connection for power, if no power check fuse, relay and ground

Jul 29, 2010 | 2000 Dodge Caravan

1 Answer

Has spark but doesnt fire up


Possible cause would be no fuel to injectors. turn the key to the on position and listen for the fuel pump to come on and pressurize the fuel rail. If you do not hear the pump come on then look in the fuse/relay box for a blown fuse/relay. If you hear the fuel pump come on then turn the key off after the pump has completed running and disconnect the negative cable from the battery. Go to the fuel rail and there will be a round test port,remove the black plastic cap(like a valve stem cap on a tire) using a shop towel partly cover the port. Using a very small screw driver press down on the valve stem, if the fuel comes out at a high volume then the pump and filter is ok. If not then replace fuel filter, that is if you heard the pump come on in the first place. If you never heard the pump come on and the fuse/relay was ok then the pump will have to be replaced. hope this will help you.

May 14, 2010 | 1998 Dodge Grand Caravan

2 Answers

Went to a store came back out would not start but strong battery,im tinking fuel pump dont know alot about car only had it a week


stand outside your van,reach in the window and turn your key over,but not to the start position. you should hear a whirring sound from the rear of the van and it should last about 2-3 sec. this will be your fuel pump powering up. if you dont hear it,then you have a bad fuel pump. Dodge Caravans from 96-01 are VERY bad about eating fuel pumps. if the pump is fine,have someone try to start it while you look under hood and see if injectors are spraying fuel. if the pump is good,and you have no spray from the injector,then you have a clogged fuel filter which will need replaced.

May 01, 2010 | 1999 Dodge Caravan

1 Answer

Running sluggish and now will not start. I don't


Hi:

I think you will find the FP relay under the hood in one of the two black power distribution boxes.

When you turn the ign key to run, you should hear the pump run for 3-5 seconds to prime the system, then stop. You might have someone lie down outside and see if they hear it.

Verify that relay and fuse for pump are good first, and then attaching a pressure gage to the fuel rail will confirm whether or not pump is working properly if at all.

Also, make sure that your battery is not the culprit before replacing the pump. Chrysler products are very sensitive to a flaky/dying battery.



Apr 23, 2010 | 2000 Dodge Grand Caravan

2 Answers

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

Apr 24, 2009 | 1994 Dodge Grand Caravan

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