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Matt
Matt, Mechanical Engineer
Category: UK Car
Satisfied Customers: 20590
Experience:  BEng hons Mech engineering, in auto industry 22 years
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Mick39 I have a 2006 Ford Transit Diesel that has been

Customer Question

Hi Mick39 I have a 2006 Ford Transit Diesel that has been cutting out It has been checked by specialists everything the computer fault codes have been checked Replaced cam shaft sensor Fuel filter The cutting out occurs anytime through a trip up or down hill and flat roads All weather conditions Glow plug light comes on cuts out Turn ignition off then on again and keeps going
Submitted: 1 year ago.
Category: UK Car
Expert:  Matt replied 1 year ago.

Hello

This sounds like an electrical actuator or sensor at fault .Usually when you can cycle the ignition key on / off and then restart the engine and the fault is gone temporarily this indicates that this is an electrical component causing this issue.

This could be a wiring issue as things tend to expand when hot and its possible a poor or partial electrical connection is being pushed apart on one of the major sensors so check the connection plug and wiring to the following;

Airflow meter

Crank position sensor

Cam position sensor

O2 sensor

Throttle position sensor

unplug each in turn and use some switch / contact cleaner spray on the pins to ensure its all grease / dirt free

Also worth checking the connections to the fuel pump for the same reason - unplug each in turn and give them a good squirt of switch / contact cleaner - Not WD40

and also unplug and inspect the main power relays and fuses for signs of overheating or corroded terminals - so the ones for the ECU and the fuel pump

And also unplug the wiring loom connections in the engine bay one at time and inspect for corroded or recessed pins.

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