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dead pedal and hot weather

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I moved from the Seattle area to  Chelan Washington ,I have had the truck for a little over 1 year .it is a dodge 2002 5.9 4x4 automatic . I added the fuel pressure gauge and  a fass ddrp with a inline pre filter ,the truck has 74.000 miles and has 15psi at the injection pump .since the weather is a lot warmer the dead pedal seems to show up and when I went back to north bend I didn't act up.... till I went back to Chelan .I did replace the sensor (apps)  and when the air is cool no problem .I get the fuel from the same place in so I don't think that's anything to do with it .

 

thanks kelly

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  • Owner

10 psi

 

 

not...make it 7

 

Ummm... The PSG on top of the VP44 is overheating. Your WOT pressure needs to be above 14 PSI as a minimum. Idle doesn't count because the VP44 isn't under stress but WOT it being highly stressed electronics are creating more heat and the return flow to the tank is close at pressures below 14 PSI. So now you lost all cooling of the PSG.

  • Author

would replacing the lift pump help or is the damage done ,what would be a better pump for more pressure ?

But Mike has what we call an "old school" Airdog 150. The new ones are junk - although a few people have good luck with them, I wouldn't risk spending $600 on a pump that is more than likely going to crap out.

 

I recommend a FASS Titanium 150 GPH lift pump.

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    • Like 2

    YUp, get a Fass. Add lots of 2 stroke oil. I had the same issue & tried the Timbo APPS, then had to swap out the VP44 (Used from a great guy).

     

    Ed

    • Owner

    But Mike has what we call an "old school" Airdog 150. The new ones are junk - although a few people have good luck with them, I wouldn't risk spending $600 on a pump that is more than likely going to crap out.

     

    I recommend a FASS Titanium 150 GPH lift pump.

     

    Yea AirDog's are not what they once were.

     

    As for FASS I tend to still favor the twin filtered FASS over the single.

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    • Like 1

    Yea AirDog's are not what they once were.

     

    As for FASS I tend to still favor the twin filtered FASS over the single.

     

    That's the Titanium version. :thumb1:

     

    They discountinued the Platinum series pumps. (single filter)

    • Owner

    That's the Titanium version. :thumb1:

     

    They discountinued the Platinum series pumps. (single filter)

     

    Thanks for clearing that up... I didn't know they did dis-continue those pumps.

    Not to go off-topic, but speaking of dead pedal, I finally installed a Timbo APPS today! :hyper:

     

    No more dead pedal!

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    • Like 1
    • 11 months later...

    Yank neck 696 what kind and how much 2cycle oil per gallons do you use I would like to try some now I use stanadyne it increases my fule pressure 3or so lbs I am open for sugestions on your mix

    I am running an AD II 165 in mine. Put it in about 5 years ago. The pump crapped out about 6 months ago. AD sent me a new no questions asked and it is still working fine. I be hard pressed to gamble on a new on. However if this pump holds up maybe they have gotten thru there bad time, but that still makes it a gamble on AD.

    • 4 weeks later...

    I'm running a FASS 95, and with my 150 spring mod and fuel line I see 18 at idle 17 or so under load.

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