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Ron
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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My 2005 F250, 6.0 super duty has loss of power and runs rough(misfire)

Customer Question

My 2005 F250, 6.0 super duty has loss of power and runs rough(misfire) after start up. Engine would work fine for a couple minutes then starts to run rough and lose power.Shut it down and wait a couple of minutes runs good for a couple of minutes repeat of problem. Have changed fuel pump, tried different oils,IPR,replaced secondary fuel filter canister, still to very little effect.
Submitted: 2 years ago.
Category: Ford
Expert:  James replied 2 years ago.
Hello and thanks for choosing just answer. If you remove and inspect the egr valve can you see light through the valve?