HOW DO I TROUBLESHOOT DTC 41

  • Tiny
  • mikemechanicrr
  • 1993 Lexus LS 400
  • 320,000 miles

Tune up parts look like new. Fuel pump and filter are new. Both tps units are new. Car acts up after approx 1 hour, and only when its raining.I keep coming up with code 41.I did the lexus method of tps adjustment.

Tuesday, February 28th, 2012 AT 6:53 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Sounds like you have to check the TPS wiring back to the computer for short and open circuit-if okay -have the computer further checked-

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Tuesday, February 28th, 2012 AT 8:02 PM

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