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P1271 Diagnostic Trouble Code Discussion for April 2012

Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity


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Trouble Ticket Help Requests for DTC P1271
Help Request Posted
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16S83
P1271: Accelerator Pedal Position Sensor 1-2 Correlation. ... or experiences shared. BACKGROUND/HISTORY: This vehicle came into my shop after already having been to the 2 seperate dealerships. While in their care there were a few repairs performed: APP replaced, PCM replaced, and APP wiring harness replaced. The re...
April 03, 2012
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16S83
P1271: Accelerator Pedal Position Sensor 1-2 Correlation. ... or experiences shared. BACKGROUND/HISTORY: This vehicle came into my shop after already having been to the 2 seperate dealerships. While in their care there were a few repairs performed: APP replaced, PCM replaced, and APP wiring harness replaced. The re...
April 06, 2012
2001 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNX20F61
P1271: Cylinder 1 - High To Low Side Open Detected. ... looking for a second opinion before I install a new IDM. the truck was towed in. the cd dirve on my computer quit so I have no Mitchell so I am not sure of diagnostic info.The truck has codes p1271 through p1278=high to low ...
April 27, 2012
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16S83
P1271: Accelerator Pedal Position Sensor 1-2 Correlation. ... or experiences shared. BACKGROUND/HISTORY: This vehicle came into my shop after already having been to the 2 seperate dealerships. While in their care there were a few repairs performed: APP replaced, PCM replaced, and APP wiring harness replaced. The re...
April 03, 2012
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16S83
P1271: Accelerator Pedal Position Sensor 1-2 Correlation. ... or experiences shared. BACKGROUND/HISTORY: This vehicle came into my shop after already having been to the 2 seperate dealerships. While in their care there were a few repairs performed: APP replaced, PCM replaced, and APP wiring harness replaced. The re...
April 06, 2012
2001 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNX20F61
P1271: Cylinder 1 - High To Low Side Open Detected. ... looking for a second opinion before I install a new IDM. the truck was towed in. the cd dirve on my computer quit so I have no Mitchell so I am not sure of diagnostic info.The truck has codes p1271 through p1278=high to low ...
April 27, 2012