P1133 Diagnostic Trouble Code Discussion for December 2005
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2001 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 5TEHN72N01 P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. Vehicle came back to the shop at 43280, same problem but sensors are OK. So we check air induction system, fuel pressure, exhaust system, injectors (cleaned), sensors circuit. All of these is working properly. All the data indicates that we have to replace ECU... |
December 23, 2005 |
