Operation CHARM
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Jeep Truck
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1986
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Comanche 2WD L4-150 2.5L VIN H TBI
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
Test 1 - Ignition Off
Test 2 - Ignition Switch On
Test 3 - Closed Throttle Switch, WOT Switch and Sensor Test
Test 4 - System Operational Test
Test 4A
Test 5 - Basic Engine Test
Test 6 - M/T Upshift Test