Operation CHARM
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1996
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Grand Caravan L4-2.4L DOHC
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Compression Check
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Service Precautions
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Compression Check: Service Precautions
COMPRESSION TESTING
When performing a compression test, remove the fuel pump relay fuse and disconnect power to the ignition. This will stop fuel flow to the injectors and prevent engine from starting.