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James
James, Ford Technician
Category: Ford
Satisfied Customers: 3610
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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I have a 2008 f-450 6.4 diesel. when i turn on my a/c, the

Customer Question

i have a 2008 f-450 6.4 diesel. when i turn on my a/c, the temp pegs and engine goes into power saving mode. what gives. no temp problem otherwise.
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.

Hello, after running the AC how long until the vehicle gets hot?

Customer: replied 1 year ago.
At speed, less than three minutes.
Expert:  James replied 1 year ago.

Do you get any abnormal noises or anything?

Customer: replied 1 year ago.
No
Expert:  James replied 1 year ago.

I did send a phone offer because I think it will be easier to assist you. I would start the vehicle and let it idle. Turn on the AC and watch the compressor. It sounds like the compressor might be seized and it is causing issues.

Customer: replied 1 year ago.
I feel like you guys are more about the money than the help i'm going to terminate this conversation and do not charge my card because I do not agree with your help
Expert:  James replied 1 year ago.

Why don't you agree with me? I work do not work directly for this site. Communicating over messaging is difficult to diagnose vehicles. I have no idea what your expectations are, or your mechanical ability. I can't physically look at the vehicle. I rely on you for accurate information. What individuals want from us is different between two people. I offer a phone call because most people are happier to speak over the phone.