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  #1  
Old 10-17-2018, 08:17 AM
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I replaced the fuel pump on my 04 Disco at the beginning of September. That pump failed me yesterday. Is there something I should be looking for that would cause the pump to fail so quickly? I'm a little more than frustrated that it happened again so soon.
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Old 10-17-2018, 09:17 AM
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Not sure how the two models compare in this regard but I had a similar issue in my D1: multiple fuel pump failures in a short period of time. Turned out the wiring harness to the pump was faulty. Replacement part was inexpensive, the job took under an hour, and the problem hasn't returned in over a year.
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Old 10-17-2018, 05:26 PM
wrldky wrldky is offline
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I had an aftermarket pump fail really fast like that. I wouldn't put the same pump in it. Sometimes you are unlucky sometimes the product is just crap.
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Old 10-17-2018, 06:55 PM
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what brand? I stuck with Bosch.. pricey but worth the piece of mind I guess...
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Old 10-17-2018, 07:14 PM
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Tillery often has good quality genuine pumps cheap, I've bought some from him. Still, you shouldn't be chewing through them.
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  #6  
Old 10-17-2018, 07:32 PM
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Old 10-18-2018, 08:22 AM
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Quick question...

Issue on Tuesday: Truck started and then died immediately when I put it into reverse. Then it would crank but no start. No sound at all from the fuel pump (yes, I stripped everything back and had the pump exposed)


Just for shits and giggles, I tried again after work last night. Fired up immediately. I was able to get it home. But there were two occasions that it sputtered on the way (fuel pump cutting out momentarily).


So is it a bad pump or do I have bigger issues?


It's a 2004 D2


Thanks!!!
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The influence of fine scenery,
the presence of mountains,
appeases our irritations,
and elevates our friendships.
-Emerson

04 DII G4
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98 Buell S1W
95 Buell S2
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Old 10-18-2018, 09:08 AM
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If you didn't have power to the pump, I'd start checking harness, fuses and relays. Or, possibly, it could be the crank sensor...if you do not have spark also. If you have power at pump while cranking, probably the pump.

Brian.
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Old 10-18-2018, 01:46 PM
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You could jump the fuel pump relay to see if the problem goes away then you'd know if you have other problems.
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Old 10-18-2018, 10:56 PM
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I'd be looking at the crank sensor. IIRC the fuel pump is not energised until the ECM sees a crank signal.
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Old 10-19-2018, 07:07 PM
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Isn't this the truck that had to splice in the crank sensor plug?
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Old 10-21-2018, 02:10 PM
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Quote:
Originally Posted by JohnB View Post
Isn't this the truck that had to splice in the crank sensor plug?
No. Different truck.
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The influence of fine scenery,
the presence of mountains,
appeases our irritations,
and elevates our friendships.
-Emerson

04 DII G4
04 DII S
02 Corvette
98 Buell S3T
98 Buell S1W
95 Buell S2
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  #13  
Old 10-22-2018, 08:05 PM
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So interesting stuff...

Replaced the pump and it's WAY quieter than the original replacement. I almost can't hear it running even with the carpet removed.

But now I've uncovered another potential problem. Pulled codes (they're always on because of bad O2 sensors). Found I also had P0335 and P0336 (both crank issue codes). Not sure how that plays into the no start issue. My previous experience with a bad CPS is that there are no codes and it usually craps out when the engine is hot,
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The influence of fine scenery,
the presence of mountains,
appeases our irritations,
and elevates our friendships.
-Emerson

04 DII G4
04 DII S
02 Corvette
98 Buell S3T
98 Buell S1W
95 Buell S2
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