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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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2004 ford 250 diesel 6.0 power stroke no power over 50 mph

Customer Question

2004 ford 250 diesel 6.0 power stroke no power over 50 mph starts good after 30 mins no power step on throttle no reponse
JA: Is the power loss consistent, or does it fluctuate?
Customer: it fluctuate need to pull over stop truck for 5 mins and go again
JA: What year is your '04 MINI?
Customer: 04 ford 250 6.0 power stroke
JA: Are you fixing your E250 yourself? What have you tried so far?
Customer: yes fuel pump
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 9 months ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner past midnight.

Any warning lights on or codes stored?

Is there an exhaust smoke issue ever noticed?

So you have 2 issues, correct, no power over 50 mph and once its ran 30 minutes you can appy any amount of throttle and it will only idle?