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P1275 Diagnostic Trouble Code Discussion for September 2008

Accelerator Pedal Position Sensor 1 Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1275
Help Request Posted
2001 Ford F-250 Super Duty Lariat 7.3L Misfire VIN: 1FTNX21F21
P1275: Cylinder 5 - High To Low Side Open Detected. Retrieved codes P1271 and P1275. Engine is definately misfiring. I followed pinpoint tests and have come down to IDM fault. I checked connector at valve cover and is little melted at glow plug terminal but checked resistance on circuit 555 and 559 to circuit 1...
September 08, 2008
2000 Porsche Boxster Roadster 3.2L MIL Lamp on VIN: WPOCB2988Y
P1275: Ageing of oxygen sensor ahead of catylitic converter Bank 1. ... over the weekend. Vehicle came in with code p1275 (aging of o2 sensor b1s1) stored. Scope pattern shows the bank 1 sensor switching at about half the speed of the bank 2 sensor.Bank 2 sensor looks normal. Fuel trims reading are within 1% of each other (ltf...
September 26, 2008