1999 Toyota Sienna CE 3.0L MIL Lamp on
Vehicle came in from another shop. MIL on. Scanned codes
P1133 and P1153. They are both Pre cat O2 Sensor response
failures. Heater circuit is ok 12v and ground. Signal
circuit and Ground ok -
FIX posted 10/15/2004
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Message Closed w/FIX
Vehicle Data1999 Toyota Sienna CE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Toyota Sienna CE
VIN | 4T3ZF19C5X |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |