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James, Ford Technician
Category: Ford
Satisfied Customers: 3629
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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Lots of smoke. Sometimes black but mostly grey. Lacks power.

Customer Question

Lots of smoke. Sometimes black but mostly grey. Lacks power. There is a p0272 code, however the #4 injector was just replaced. And truck seriously lacks power
JA: How many miles are on the car? Have you been losing oil or coolant?
Customer: 108,500. Not that I have noticed
JA: What is the model/year of your Ford?
Customer: 2004 f-350
JA: Are you fixing your F350 yourself? What have you tried so far?
Customer: Yes. Mostly, I've replaced the #4 8 & 7 injectors. Replaced the ficm with a used one. Had that re-flashed at the local ford dealership. New icp & ipr, blue spring update for the fuel bowl
JA: Anything else you want the mechanic to know before I connect you?
Customer: It's cold here in Montana right now, but I went out just to move the truck last night and in stalled on me like 4 times
Submitted: 9 months ago.
Category: Ford
Expert:  James replied 8 months ago.

Hello, was the P0272 present before injector 4 was replaced?

Customer: replied 8 months ago.
then it went away until I installed the used ficm
Expert:  James replied 8 months ago.
I was just going to recommend swapping the film to inspect for a failed injector driver.
Customer: replied 8 months ago.
your educated guess would be a bad ficm?
Expert:  James replied 8 months ago.
If the injector didn't correct the concern my next thought is a damaged dock driver. Since installing a used FICM corrected the concern that is your issue. If you did an injector self test you will likely end up with cylinder 4 circuit code. To correct your concern I would replace the ficm.