3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

help with another code

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Old 04-05-2007, 09:51 PM
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help with another code

This is on my 05 cummins, i have a fass150 on it but it keeps throwing this code. P0628 Fuel Pump Relay Circuit Low, or Fuel Lift Pump Control Circuit Low
Will this show up if i have a fass? I just noticed it when i was checking my P0234 code (over boosting code) Just wondering thanks

Shaun
Old 04-06-2007, 09:03 AM
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bump
anyone?????
Old 04-06-2007, 09:11 AM
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THE 0628... YOUR NEW PUMP 'WANTS' MORE AMPS...MAYBE UP THE FUSE 5 AMPS SEE IF THAT FIXES IT...
( dang cap lock)
No idea on the over boost...I push 40psi and I don't get one
Old 04-06-2007, 09:14 AM
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How long ago did you do the FASS?
Did you wire it direct to batteries or somewhere else?

It will show up when unplugging the old pump, then after a while it should clear itself. but how long has it been?
Old 04-06-2007, 09:21 AM
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Its been about 7 months The pump seems to work strong(loud) I have even noticed a little bit of a drop on my fuel pressure gauge
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