Toyota 4Runner Problem Report
Toyota 4Runner Check Engine Light Due to Failed Oxygen Sensor Heater
The heater circuit for the oxygen sensor tends to have a higher than normal failure rate. Failure of the oxygen sensor heater circuit will illuminate the Check Engine Light. The internal oxygen sensor heater cannot be repaired, the failed sensor should be replaced to correct this concern.
check engine light, vsc trac and trac off lights all on,dealer claimed that it's for the oxygen...
Replaced oxygen sensor (bank one) but mechanic indicated there were multiple codes. Said there...
2005 4Runner The ABS pump failed, is this a faulty part? Not even 70,000 on car
Check codes P0133 stated: #3 misfire & P0130 slow response O2sensor bank 1, sensor1.
where is my auto air charge sensor located at