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FASS Fuel Systems High Performance Fuel Delivery System |
09-04-2013, 09:37 PM
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#1
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Name: sledshaker
Title: Too Much Time
Status: Not Here
Join Date: Jul 2009
Location: Millersburg, MO
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Posts: 920
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Fass Pump, should it cycle when key is turned on
The Fass pump on the 2001 Dodge I acquired does not cycle every time I turn the key to the on position. Should it? I have always had Air Dog pumps and they would cycle the motor for just a second before starting the truck? This doesn't do it every time. Does it only do it if it has lost pressure? Should I be looking for another pump/filter setup?
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Driving everything with wheels, and some things without.
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09-04-2013, 09:50 PM
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#2
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Name: nasty 2005
Title: Cummins Tech.
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Join Date: Apr 2011
Location: S. Minnesota
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It should only cycle if the pressure is low.
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11' CCSB, MCC by Anarchy, AFE, Revmax, Flopro, Applied Performance Products, Caltracs, Leveled, 35's
Sold-95' ECLB
R.I.P-05' QCSB
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09-05-2013, 01:45 PM
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#3
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Name: FASSAshley
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: May 2010
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Posts: 50
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Check to make sure you are getting voltage signal from the ECM. The pump should kick on for a couple seconds and the power should shut off.
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09-05-2013, 01:52 PM
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#4
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Name: zstroken
Title: For $$$ your name here
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Join Date: Sep 2006
Location: Western Michigan(by the lake)
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Quote:
Originally Posted by nasty 2005
It should only cycle if the pressure is low.
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How does a 2001 know if there is pressure or not? No pressure sensor that I know of.
I believe the pump is just bumped until you actually attempt to start it.
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2008 4x4 Megacab, 68RFE
97 Dodge gone....
24V P-Pump Mafia member #1(retired)
Thanks to Mumau Diesel, Goerend Transmission, Northeast Diesel Service!
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09-05-2013, 01:56 PM
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#5
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Name: homewrecker
Title: gear jammer
Status: Not Here
Join Date: Oct 2007
Location: Statesville, N.C.
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I have 2 01's with fass pumps. Sometimes the fass will cycle for a second, sometimes not. I don't care cause they both run and have been for the past 8yrs.
Sent from my DROID RAZR using Tapatalk 2
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05 ram 3500 4x4 QC dually SOLD
05 2500 QC Laramie sport
Garmon built tranny
FI 63/68/.91 ETR-HO S480/92/1.25
dual pumps
105% injectors
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09-05-2013, 08:26 PM
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#6
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Name: sledshaker
Title: Too Much Time
Status: Not Here
Join Date: Jul 2009
Location: Millersburg, MO
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Thanks for the info, I will check for that signal when I get a chance.
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Driving everything with wheels, and some things without.
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09-05-2013, 08:39 PM
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#7
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Name: ILLINOISRAM
Title: INLINE INSANITY
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Join Date: Jan 2008
Location: Lane IL
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Posts: 2,891
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They run for just a few seconds until you either start it or bump the starter in which it should stay running for thirty seconds.
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99 DODGE 2500 P-PUMP 24v. Hamilton valvetrain, Northeast Diesel fuel and alot of other parts put together.
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09-06-2013, 07:31 AM
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#8
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Name: sledshaker
Title: Too Much Time
Status: Not Here
Join Date: Jul 2009
Location: Millersburg, MO
Member`s Gallery
Posts: 920
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Thats what I was thinking, but sometimes it would not cycle when you have the key on and your waiting for the wait to start light to go off. I dont drive it very much so I'll have to do some more checking next time i get it out.
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Driving everything with wheels, and some things without.
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