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I have a 2000 ford f650 with cummins 24v, has low power.

Customer Question
3fdnf6543yma49006. has several active codes...
I have a 2000 ford f650 with cummins 24v, has low power. 3fdnf6543yma49006. has several active codes my scan tool cannot decipher, sid233 fmi12, sid251 fmi12, sid251 fmi 7. has new cummins lift pump. has adequate fuel pressure, checked all fuses
Submitted: 9 months ago.Category: Medium and Heavy Trucks
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11/14/2017
Technician: Wayne, Journeyman replied 9 months ago
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 11,314
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified

Hi I'm Wayne

I will be assisting you with this issue today

Give me a bit to look up these codes, Please

Wayne

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Customer reply replied 9 months ago
Thank you
Technician: Wayne, Journeyman replied 9 months ago

Hi

OK code sid 233 FMI 12

is low fuel pressure

code sid251 fmi12

No communications or invalid data transfer rate detected on datalink between the ECM and VP44 fuel pump control module at pins 4 and 13 of the engine harness.

next code is Sid 251 fmi 7 Bot***** *****ne here

is you have a plug issue , unplug all ECM , and any other

clean terminal, may have to get calibrated

Also clean and sand all ground s

I hope this helps you

Wayne

My goal is to give you the best experience possible! I hope I have earned a 5 star rating! Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. If you need more assistance, please use the reply box and let me know.

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Customer reply replied 9 months ago
I will unplug vp pump harness inspect and clean terminals and sand grounds....may i have explanation for the other 2 codes for my records
Customer reply replied 9 months ago
Ecm as well
Technician: Wayne, Journeyman replied 9 months ago

HI

I am sorry, I thought I sent that

let me go back and look them Up

Wayne

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Technician: Wayne, Journeyman replied 9 months ago

Hi again sorry

that code , sid251 fmi 7. does not show up

Can you Please recheck it

Thank you Wayne

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Technician: Wayne, Journeyman replied 9 months ago

Morning

sid 251 Fmi 7 Injector Power Supply or ECM measured injector boost voltage is low

Wayne

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Customer reply replied 9 months ago
inspected all wiring, plugs on ecm and vp pump in excellent condition, cleaned them anyway, cleaned and inspected grounds no improvement, possible component failure?. out let of secondary fuel filter 13 psi and stable, removed return line to tank saw high volume and clean fuel. not sure what to do next
Technician: Wayne, Journeyman replied 9 months ago

HI

So it starts and runs, but low power

Do you have a boost gauge for the turbo ??

Wayne

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Customer reply replied 9 months ago
scan tool says 3.5 psi at high idle no load, I can plumb a gauge if you would prefer, truck idles smotth but as soon as you step on gas pedal it falls on its face
Technician: Wayne, Journeyman replied 9 months ago

Hi

Thank you for the response

boost pressure needs to be 38-47 Lbs

Wayne

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Customer reply replied 9 months ago
but that's under full load, I cant get this truck to hit full load its too much of a dog, I did take intake boot off and looked at compresser side of turbo, no damaged fins and spins free, watched it spinned while trucked idle, heard it sing when I revved it
Technician: Andy, Truck Diagnostic Technician replied 9 months ago
Andy
Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 2,024
Experience: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter
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Hi there, My name is Andy ! Do you still need help with this or is this resolved?

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Customer reply replied 9 months ago
Ended up being vp pump
Technician: Andy, Truck Diagnostic Technician replied 9 months ago

Oh ok ! Thanks for the update ! Happy holidays to you sir!

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