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James, Ford Technician
Category: Ford
Satisfied Customers: 3609
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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Engine start but stay idle, without any acceleration. do not

Customer Question

engine start but stay idle, without any acceleration. do not accelerate at all.
JA: How old is the transmission? Have you checked the fuel filters?
Customer: the vehicle is 2005, fuel filter changed 2 weeks ago.
JA: What is the model of your '05 Ford?
Customer: f 350 6.0
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: the codes I have P2104, P2138,P2140
Submitted: 6 months ago.
Category: Ford
Expert:  James replied 6 months ago.

Hello, is this an automatic?

Customer: replied 6 months ago.
Expert:  James replied 6 months ago.

does the tow/haul light work?

Customer: replied 6 months ago.
Customer: replied 6 months ago.
are you still there
Expert:  James replied 6 months ago.

If you remove fuse 24 is it blown?

Customer: replied 6 months ago.
I check all the fuses found one that was blown and changed. But the problem stay.
Expert:  James replied 6 months ago.

Ok if that is ok then most likely the throttle pedal has failed. If your scan tool can read PCM data you can monitor throttle pids and verify the throttle pedal is bad.