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Fig. 205: Engine RPM & A/F Sensor Voltage Waveform HINT: If the output voltage of the A/F sensor remains at approximately 3.3 V (see ) under any If the output voltage of the A/F sensor remains at either approximately 3.8 V or more, The ECM stops fuel injection (fuel cut) during engine deceleration. This causes a lean The ECM must establish a closed throttle valve position learning value to perform fuel When the vehicle is driven: The output voltage of the A/F sensor may be below 2.8 V during fuel enrichment. For The A/F sensor is a current output element; therefore, the current is converted into a Measuring the voltage at the connectors of the A/F sensor or ECM will show a NG : Go to step 10
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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