Check Engine Light With any of These Codes: P0171, P0174, P2195, or P2197 on Lexus GX470

Problem Description and Possible Solution

The Check Engine Light may illuminate with any of the following codes stored: P0171, P0174, P2195, or P2197, signifying a lean running condition. Our technicians tell us this is commonly caused by a faulty air fuel ratio sensor. A revised sensor is available to correct this concern.

Problem Data
RepairPal Verified
Average mileage: 101,000 (101,000–101,000)
2 model years affected: 2005, 2006
5 people reported this problem