1997 JEEP LAREDO CODE 45

  • Tiny
  • ECisneros
  • 1997 Jeep Laredo

Engine Performance problem
1997 Jeep Laredo V8 Four Wheel Drive Automatic 200000 miles

chiton manual says CODE 45: rich exhaust indication. The engine must operate for up to 5 minutes, be in closed loop and at part throttle before this code will be set.

what does that mean an how do I fix it


thank you

Tuesday, August 24th, 2010 AT 7:33 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

It sounds like a bad O2 sensor. The sensor isn't warming up and closing the loop (basically completing the circuit).

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Thursday, August 26th, 2010 AT 7:50 AM

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