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2001 Dodge Dakota engine code definitions

Tiny
WAVCRAVME
  • MEMBER
  • 2001 DODGE DAKOTA
  • V8
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
Engine code from obdII P0121 reading Pedal position sensor A ckt range/perf 10/31/09.1st time p0123 pedal position sensor A ckt high input 09/01/09. I replace the tps in september and the fuel pump. NAPA will warranty the TPS if it is the issue. My truck is hesitating at 2000 2500 RPM's irregularlly, inconsistently and has even stalled as I am coming to a stop. Air filter is clean. Oil recently changed, injector cleaner used with no improvement.
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Thursday, November 5th, 2009 AT 8:20 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,640 POSTS
In this particular case both codes have to do with the Throttle Position Sensor. (TPS) It's attached to the Throttle Body. You can try removing it and cleaning it with some TB or Carb. Cleaner. Then reset the computer by disconnecting the neg. Terminal of the battery, turn the ignition to the on position and hold it for about 20-30 seconds. Reattach the battery terminal, and start the truck to see if the code reappears.
If the code reappears you may need to replace the
TPS. If it is under warranty, have NAPA replace it.
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Friday, November 6th, 2009 AT 10:54 AM

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