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Both A/F Sensors No Power
Greetings. This vehicle has no power at Joint E4. Both A/F Ratio Sensors shares this joint for Power. At the A/F Ratio Sensor Relay, Pin 3 Black has Power. But at the E4 joint it is showing Ground ONLY when Engine is Running. Why is there is Ground at the E4 j... Login to read more.
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| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1999 Lexus ES300 3.0L
| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
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