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James
James, Ford Technician
Category: Ford
Satisfied Customers: 3632
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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I have a 08 6.4 recently rebuilt the top end, new head

Customer Question

Hi, I have a 08 6.4 recently rebuilt the top end, new head gaskets, head bolts, high psi fuel pump, etc. I have a H&S tuner. I have deleted the egr & dpf completely. I am getting codes P0405 P0488 P0677 P1335 and U3F06 could you please tell me what these codes are, and what I can do to clear them. Thanks
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.

P0405, p0488, p1335, are all related to the EGR valve. P0677 is for glow plug #7. You could have a bad glow plug most likely. As for the three EGR codes it's possible the programmer doesn't have the correct program installed from H&S. Sometimes you just need to call them and they can send you a new flash.

Expert:  James replied 1 year ago.

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