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Code 91-2

I have a code 91-2 coming on very intermittently and was wondering if anyone knew what it is for. I can re key and all is well, i just want to make sure there isn't something I should take a closer look at before a catastrophe occurs! It has a GM 4.3L engine in it. Lift serial number is R005V02227K.
Thanks for the help.
  • Posted 2 Feb 2018 02:47
  • By lvscr
  • joined 24 Apr'14 - 41 messages
  • Idaho, United States
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DTC 91-2 - Accelerator Pedal Position Higher Than Expected DTC 91-2- Accelerator Pedal Position Lower Than Expected.

A. DIFFERENCE BETWEEN SENSORS IS BEYOND ALLOWABLE TOLERANCE
B. SENSOR FAILURE
C. FUNCTIONAL FAILURE IN CONTROLLER
  • Posted 2 Feb 2018 02:53
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States
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