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Cat P6000 e-4 and p-4 codes

I have a cat P6000 with the K-21 powerplant has E3 and P4 codes.Have swaped ECU no change.Was lucky to have one down for E21.90% sure its broken wire but all ideals
welcome.Is it just me or do these things have bad wire harnesses?Not as bad as the Toyota but still have had to chase a lot of shorts on these trucks.
  • Posted 16 May 2007 11:58
  • By proshadetree
  • joined 23 Feb'06 - 484 messages
  • Tennessee, United States
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Yep Broke wire 8 to 10 inches down from plug where it bends to go under ecm.Just in case someone needs this info.
  • Posted 18 May 2007 08:45
  • By proshadetree
  • joined 23 Feb'06 - 484 messages
  • Tennessee, United States
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