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P1812 Diagnostic Trouble Code Discussion for February 2015

Transmission Fluid Over-Temperature

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Trouble Ticket Help Requests for DTC P1812
Help Request Posted
2005 Ford Explorer XLS 4.0L No Start, MIL Lamp on VIN: 1FMZU72K75
P1812: 4 WD mode select switch ckt. fault. Towed in with no start. Cranks over fine. Have no injector pulse at all. Plenty of spark though. If the throttle is held wide open it almost starts, at least there is injector pulse. Cleaned spark plugs and throttle plate (electronic throttle assembly). Plugs ...
February 17, 2015