Operation CHARM
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Dodge or Ram Truck
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1991
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Grand Caravan AWD V6-201 3.3L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Lamps and Indicators - Engine
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Oil Pressure Gauge
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Testing and Inspection
Oil Pressure Gauge: Testing and Inspection
To test the gauges of the mechanical cluster, access the body computer using the DRB II scan tool or equivalent and check for any related codes.