P0640 Diagnostic Trouble Code Discussion for November 2017
Intake Air Heater Control Circuit Malfunction
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| Help Request | Posted | |
| 1999 Ford F-350 Super Duty Lariat 7.3L Cuts out, lack of power VIN: 1FTSW31F3X P0640: Manifold Intake Air Heater Relay Circuit Malfunction. I am NOT a diesel guy, But he is a regular/good customer, so I said I'd try.It will stall while scanner communicates, sometimes. Has a lack of power and loud hissing on accel, no leaks can find. Watching turbo during self test, I don't see the lever on top mov... |
November 09, 2017 |
