RAM 2500 Van V8-318 5.2L VIN T Magnum CNG SFI (1997)
Oxygen Sensor: Testing and Inspection
Circuit A142 splices to supply voltage to the fuel injectors and ignition coil.
Circuit K4 splices to supply ground for the signals from the following:
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Camshaft position sensor
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Crankshaft position sensor
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Fuel level sensor
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Intake air temperature sensor
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Throttle position sensor
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Manifold absolute pressure sensor
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Engine coolant temperature sensor
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Speed control switches
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Transmission governor pressure sensor
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Transmission temperature sensor
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Vehicle speed sensor