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(Chapters 4 and 5) Fuel Trim and Oxygen Sensor Testing
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This video applies to Chrysler, Dodge and Jeep systems.
View More About This Video: Engine runs rich P0172, P0175 from a blown O2 heater fuse (Jeep)
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This video applies to all Chrysler, Dodge and Jeep vehicle.
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The procedures shown in this video can be applied to all 3-wire General Motors MAF sensors. (Chevy, Buick, Olds, GMC, Cadillac)
View More About This Video: O2 Sensor wiring quick tests (Ford with no bias voltage)
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How to measure an O2 sensor signal with a scope and multimeter.
View More About This Video: How to test an oxygen sensor on a Honda (scope vs voltmeter)
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Use this test to quickly and accurately check the O2 sensor signal wire for an open or short to ground or verify a shorted O2 sensor.
View More About This Video: Honda Oxygen Sensor quick tests (bias voltage)