2000 Toyota 4Runner SR5 3.4L MIL Lamp on
Thanks in advance to Toyota masters. Replaced B1S1 air fuel ratio sensor based upon open heater circuit. Originally had both codes stored. Upon clearing ECM and two trip road test, PO125 returned. Unlike O2 sensor, fixed voltage air fuel is more difficult to t...
Summary posted 1/31/2007
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Vehicle Data2000 Toyota 4Runner SR5
Trouble Codes
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Vehicle Data
2000 Toyota 4Runner SR5
VIN | JT3HN86R0Y |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Ca Emissions |
Trouble Codes
P0125 | Engine Coolant Temperature Sensor Slow Response |
P1135 | Glow Plug Module Control Circuit Excessive Current Or Shorted |