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P1271 Diagnostic Trouble Code Discussion for November 2007

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 GMC Envoy XL SLE 4.2L Hesitation, Surge, Cuts out VIN: 1GKET16573
P1271: APP Sensor 1-2 correlation error. Hello all again, I'm desperate this time(as always I guess). This envoy very intermittently acts up and when it does there is no response from the throttle pedal (engine just idles) and the (I believe it to be) low power light comes on. This can be corrected i...
November 28, 2007
2003 GMC Envoy XL SLE 4.2L Hesitation, Surge, Cuts out VIN: 1GKET16573
P1271: APP Sensor 1-2 correlation error. Hello all again, I'm desperate this time(as always I guess). This envoy very intermittently acts up and when it does there is no response from the throttle pedal (engine just idles) and the (I believe it to be) low power light comes on. This can be corrected i...
November 29, 2007