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P1665 Diagnostic Trouble Code Discussion for September 2010

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1665
Help Request Posted
2004 Ford Focus ZX3 2.3L Hesitation, MIL Lamp on VIN: 3FAFP31Z94
P1665: Tire/ axle ratio out of acceptable range. When you accel car has bad Hesitation if you let out of the gas a little it will pull itself through it there is no vac leaks plugs look good no miss fire at all does it when you shift in any gear more so when it is cold but it will do it when the engine is fu...
September 15, 2010