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Symptoms of bad lift pump?

Discussion in 'Diesel Tech' started by Saline, Dec 31, 2003.


  1. Saline

    Saline
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    Anyone have any input or experiance with the lift pump going out. What are some of the symptoms that might occur? BTW its a 99 CTD .Thanks
     
  2. redneck_motorsports

    redneck_motorsports
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    First sign of a bad lift pump is if you have trouble getting fuel back to the engine after changing the fuel filter. The CTD will still run with a bad lift pump but will be very hard to restart if you ever loose prime. You can also check the fuel presure at the rear of the filter, it should be about 15 psi. If not then its time for a new lift pump. Also running the CTD for a prolonged period with a bad lift pump can cause the injection pump to fail pre maturely.



    I just replaced them both on my 2000 a couple months ago.



    Lift pump- $250 (cheap insurance)

    Injection pump- $1800 (failed due to bad lift pump)



    Hope this helps,

    Catfish
     

  3. ISBDiesel

    ISBDiesel
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    Get one of these and remove all doubt.

    [img=300x342]http://www.protintnw.com/images/Fuel-Pres-Gauge.jpg[/img]



    http://www.protintnw.com/sa_dodge-fuel.htm
     
  4. steved

    steved
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    When my first one went bad it would miss (zz----zz--zzzzz---zzz------z-z--) when starting it...my second one failed and it never gave a indication it failed...just zero on the fuel pressure gauge.



    I noticed by putting a new one on, performance comes up quickly!



    steved
     
  5. TurboDoctor

    TurboDoctor
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    just check the pressure with a gauge as recomended and remove all doubt and save the time.
     

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