2021年2月6日 · P0628-LOW VOLTAGE DETECTED AT THE FUEL LIFT PUMP When Monitored: While the key is on. Set Condition: The voltage detected on the Fuel Lift Pump is above a calibrated value for a calibrated amount on time. POSSIBLE CAUSES LOOSE CONNECTION GROUND CIRCUIT OPEN LIFT PUMP SHORTED TO VOLTAGE LIFT PUMP ECM TEST ACTION APPLICABILITY

2024年11月14日 · Hi guys. Need some help, maybe. Just bought an 04.5 2500 with the HO 5.9. It has a Beans sump kit, FASS lift pump filtration kit, and a Fleece fuel filter delete. Truck starts and runs great, no issues and no CEL. Out of curiosity, I put my scanner on it and found P0628 code, which cannot be...

2008年1月24日 · Fault code P0628 Update! It was the lift pump. Dodge no longer offers the original style pump. But My 35 gal tank was nearly full, besides the fact that I think that it's just wrong to put a pump in the fuel tank (ever done one?). Cummins Northwest doesn't offer a replacement pump. I found the original style pump at H&H Diesel in Milton WA.

2023年5月24日 · My Snap-on scanner says "P0628 Fuel Pump A Circuit Low" which agrees with the original pump connection used to power the recall installed relay which is putting out 8 VOLTS. Anyone know how to reset the Fuel Pump Circuit from the ECM back to 12 volts? I'm running off the engine brake circuit for now.

2024年9月10日 · The relay runs off the old fuel pump feed but doesn't draw as much current as the pump and when it drops low enough the ECM thinks something's wrong, cuts the voltage and throws a P0628. After over a year of puzzling I put a 6.6 Ohm Dummy Load on the fuel pump feed and the voltage went from 7.9 to 13.1 volts instantly, I was able to clear the ...

2012年2月27日 · My 03 just stop running and put my bully dog on it and it pulls up p0628 code I clear the code and comes back it will start off and on will a fast pump help or what 03 dodge 3500 4x4 with cold air intake, bd boost fooler, bullydog power pup, air dog 200, billet transmission and triple disk converter, 6" lift and 37x12.50r17 coopers stt for now ...

2009年4月26日 · P0628 Fuel Pump Relay Circuit Low, or Fuel Lift Pump Control Circuit Low Here is a list of codes http ...

2018年2月3日 · P0628 is low voltage at the pump. low or spiratic electric currents can be causing the pump to work less throwing the P0148 which means fuel rail pressure isnt met. also do all the little things like drain water from stock canister, check fuel filter, etc.

2019年1月4日 · P0628-LOW VOLTAGE DETECTED AT THE FUEL LIFT PUMP When Monitored: While the key is on. Set Condition: The voltage detected on the Fuel Lift Pump is above a calibrated value for a calibrated amount on time. POSSIBLE CAUSES LOOSE CONNECTION GROUND CIRCUIT OPEN LIFT PUMP …

2023年7月19日 · I have a 04.5 Cummins with 340,000 miles just replace the Fass pump with new pump and harness. Pump won’t activate with key and throwing a code p0628. Tested relays and fuses on truck and Fass side. Truck starts and runs. Replaced the in tank pump and it works with key. Tested power to the pump in tank and the Fass both have key hot and power.