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Hi from Charlie B 1995 F350 5.8liter EFI NEED A PCM

Fellro

Moderator
Staff member
Some vehicles may have several ECM replacement options, while others may just have one. Do not assume that any option listed for your vehicle will fit! The most accurate way to order the correct replacement ECM is to verify the OE number provided in the part listing or at the bottom of this page matches the OE number printed on the original unit. If the original ECM no longer has the label, the dealership can look up the OE number using your VIN.
I looked it up on Rock Auto to see what info they required and found this
 

Fellro

Moderator
Staff member
The dealership can also just give you the part numbers which then you can use to buy the ecm elsewhere. You need to know the original part number so you get the right calibration and such. I scrapped a car becauser the prior owners had swapped the ecm and it was old enough the dealers didn't have the info any more. The speedometer was way off and it just didn't run right. It all goes through the ecm.
 

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