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1999 Toyota Sienna LE, ECM/Inputs/Outputs Waveform
scope test of Toyota 4-wire AF sensor (B1)- note rich to lean transition is over 150ms- this van had a cat code (P0420)
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| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |
References
Vehicle Data
1999 Toyota Sienna LE 3.0L
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |
Video