P1130 Diagnostic Trouble Code Discussion for April 2011
Heated Oxygen Sensor (HO2S-12/HO2S-13) Signal Circuit Demand Changing
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| Help Request | Posted | |
| 2000 Toyota Tacoma SR5 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 41AWN72N0Y P1130: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction. customer concern was lack of power and hesitates,i could not road test it would barely run,it would back fire through the throttle body, checked cam and crank timing all marks are in time.checked for external vacuum leaks with propane no leaks found.truck ran ... |
April 08, 2011 |
