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U1600 Diagnostic Trouble Code Discussion for July 2007

pass key error

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Trouble Ticket Help Requests for DTC U1600
Help Request Posted
2001 Ford Focus ZX3 2.0L No Start, MIL Lamp on VIN: 3FAFP31311
U1600: pass key error. This car has an intermittent no start/ long cranking problem only when cold(ect below 90f). It starts 90% of the time. It acts like it has no spark or injector pw. Only problem is that it has both spark and injector pw. When I can get it to act up, I can start...
July 31, 2007