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Dodge Dakota Fuel Pump/Fuel System Questions

26 messages,  Last post on Nov 23, 2009 at 4:51 PM

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What is this discussion about? Dodge Dakota, Truck


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#1 of 26
help !! by bambuild10
Feb 23, 2008 (3:02 pm)
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have a 1999 dodge dakota v8 5.2 fuel pump wouldn't turn off when you shut the truck off unless you unhooked battery got the point where fuel pump wouldn't even turn on checked relays and all fuses replaced the fuel pump and still turn on the key and don't hear fuel pump come on and truck will not start. can some please help
#2 of 26
help please by gerany
Mar 15, 2008 (11:31 am)
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I have 2001 dakota quad cab 4.7 liter v8, just changed the fuel pump module abt 3 mos. ago, then also had problems with my transmission wherein i replaced it with a new TCM, after having changed this items i am again having trouble with the engine starting usually when engine gets hot, the same symptoms I had before changing my fuel pump module. However this time i am getting an DTC P0601, please help me resolve this. the funny thing is if i let it be with the check engine light on without erasing it, the vehicle starts fine, but everytime i erase it the problem comes back. Anybody who can help.
#3 of 26
engine missing problem by jmclemore
Apr 19, 2008 (2:03 pm)
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My 1993 dakota 5.2 engine will start missing at about 40 mph. Seems worse between 40 and 55. Will start after acceleration but ok during accel. Any soloution? No trouble code showing.
#4 of 26
locking gas caps by gjble
Apr 24, 2008 (7:07 am)
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does anyone have any experience with locking gas caps on the
dakota's 4.7 engine?
 
in Atlanta
#5 of 26
Locking Gas Cap by ronslakie1
Apr 25, 2008 (5:13 am)
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I have had a Mopar locking gas cap on my 2000 Dak 4.7 for 8 years with no problems.
#6 of 26
Repairing/replacing fuel line at pump - '97 Dakota 2WD by tommy97
Jul 08, 2008 (6:23 am)
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I have a '97 Dodge Dakota Sport 2WD (3.9L V6 Automatic). Some SOB punctured my fuel line recently! I tried to splice it but no cigar - can't get a good seal w/ the piece of copper tubing I tried to use (0.250" OD going into thin walled plastic tubing ~0.265" ID). Still a gusher ...
 
A brass barbed splice I had was 0.285" so even worse (won't fit into the tube).
 
I'd now like to remove the piece (~30" long) from the pump to the end of the metal tube that rides the chassis forward. Then, what are the chances I can find a piece of standard gas 1/4" line to replace?
 
Or, assuming I can get an actual replacement line from the Dodge dealership, how difficult would it be to replace?
 
Do I absolutely need the "Tool No. C-4124, or equivalent" to loosen/tighten the fuel line fitting at the pump?
 
I'd appreciate any thoughts on this.
 
Tommy
#7 of 26
in line fuel filter 1995 dodge dakota v6 by pbjar1
Sep 07, 2008 (8:22 am)
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does this truck have an inline filter? lost rpms and idol eventually held has not done it since but would like to be proactive; fuel pump replaced less than 20,000miles ago; any suggestios?
#8 of 26
Re: in line fuel filter 1995 dodge dakota v6 [pbjar1] by dustyk
Sep 07, 2008 (12:14 pm)
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Replying to: pbjar1 (Sep 07, 2008 8:22 am)

Hmmm. I'm not sure but I think by 1995 Chrysler had gone to a modular, in-tank filter.
 
Follow the fuel line along the length of the body. If you see a canister looking device, it is probably an in-line filter. Or consult a Dodge dealer. They should be able to tell you right away.
 
Regards,
Dusty
#9 of 26
Re: in line fuel filter 1995 dodge dakota v6 [dustyk] by tommy97
Sep 08, 2008 (7:14 am)
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Replying to: dustyk (Sep 07, 2008 12:14 pm)

This message is for DustyK and any others (pbjar1) who replied to my original post:
"Repairing/replacing fuel line at pump - '97 Dakota 2WD"
 
Somehow, the subject morphed into:
"in line fuel filter 1995 Dakota V6"
 
Unfortunately I never got any practical/useful replies on my original post but, having now made the repair using brute force methods, I can report the following:
 
Aside from the hassle of removing the very thin-walled plastic tube that connects the fuel pump outlet to the metal tube that runs along the chassis forward to the engine compartment, the Dodge dealership wanted ~$45 for a new one and it was to be special order! I would never recommend this route.
 
The best approach is as follows:
 
1) Remove the left rear wheel and place the axle on a block.
 
2) Realize that the space (about 10:00) behind that left rear is difficult to access, and lighting will be scant. If you can morph yourself into Mighty Mouse, that would be a huge advantage.
 
3) For the lighting problem, I do not recommend an incandescent work light (sparks = explosion); us a B&D snakelight or similar.
 
4) Release the clip from the fitting at the pump outlet and pull off the tube. Using a sharp utility knife, cut the tubing from the metal line along chassis, remove this tube and make sure the exposed metal ends are clean of residual (plastic) tubing pieces.
 
5) Understand that - sadly - Dodge decided to make the OD of the metal pump outlet be 0.375" (~3/8"), while making the OD for the metal tube that rides along the chassis 0.320" (~5/16"). This disconformity is bizarre and senseless!
 
6) Go to a hardware store & purchase 1' of 5/16" high-pressure line, 1' of 3/8" ID hp fuel line, and a 3/8" nylon barbed hose mender.
 
7) Attach the mender to both hose pieces (you may need to hold the end of the 5/16" hose in scalding hot water to press over the 3/8" mender). Secure these ends w/ a hose clamp on each side of the mender.
 
8) Place the other end of the 3/8" hose in scalding hot water w/ a bit of dish detergent (for lubrication) for 2-3 minutes. Slide a small hose clamp over it and quickly and with aggressive turning motion, fit the heated end onto the pump outlet. Note that this outlet has a raised collar for attaching the fitting you just removed. The presence of this collar will require an agonizing effort to force the 3/8" hose over it and all the way in to the pump body (~7/8"). If you don't reach the pump body w/ the end of the hose, pull it off, reheat/lube, and try again. Once you get it, slide a hose clamp up near the pump body (over the outlet) and tighten. The best tool is a nutdriver w/ 12" long handle. (Once you try this, you'll see exactly why I suggested a tool like this.)
 
9) Slice a small hose clamp over the 5/16" end of the hose and and slide the hose a few inches over the end of the metal tube that runs along the chassis. (You probably won t really need to heat/lube this part of the hose.) Slide the hose clamp over this joint and secure.
 
10) Start the engine and check for leaks.
 
Finally, I'll answer the question that seems to have been floating around on what became of my post. NO, positively and assuredly, there are NO in-line filters on the Dakota. The one and only filter is inside the fuel tank, and that brainless Chrysler design is why it's such a colossal chore to replace it (should you ever - God forbid - need to). You gotta remove the tank!
 
Which points up a possible modification to my steps 6&7 above, You may choose this unfortunate event to use, instead of a nylon mender, an actual in-line fuel filter and get 2 birds w./ one stone. In this way you splice the 2 hose pieces and enhance the filtration.
 
Hope this helps.
TommyCee
#10 of 26
Re: in line fuel filter 1995 dodge dakota v6 [tommy97] by dustyk
Sep 11, 2008 (7:23 pm)
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Replying to: tommy97 (Sep 08, 2008 7:14 am)

Your admirable determination probably saved you some decent bucks. Good to hear things got fixed.
 
Just for the record, Chrysler wasn't the first to go to in-tank filters, nor are they alone. Everything from Ford, GM and Toyota use the same design, and I think most of them do, actually. My neighbor just had the fuel module (aka fuel filter) replaced on his 87 Accord.
 
I'm not sure why the manufacturers have gone to this design. My guess is that an in-line filter represents a potential safety hazard under some conditions. And a cartridge filter design might be impractical for some high pressure systems.
 
Best regards,
Dusty

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