CODE 45

1997 Jeep Laredo

Tiny

ECisneros

August, 24, 2010 AT 7:33 PM

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

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1 Answer

Tiny

Jacobandnickolas

August, 26, 2010 AT 7:50 AM

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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