Question:I have a 2003 Toyota Sequoia with the 4.7-liter engine and about 85,000 miles. It runs fine, but the Check Engine light came on, and I had the codes read by a friend with a scanner. It was ...
Answer:DTC P0052 refers to a failure of the oxygen sensor heater control circuit -- Bank 2, Sensor 1. The O2 sensor is most accurate in determining oxygen content in the exhaust gases at a certain ...
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