DESCRIPTION:Quantity control valve (high side).
MONITORED PARAMETER:Quantity control valve (QCV).
TYPICAL ENABLING CONDITIONS:Always enabled
MONITOR SEQUENCE:None
EXECUTION FREQUENCY:Continuous when enabling conditions met.
TYPICAL DURATION:2 seconds
DASH LAMPS:1. MIL2. CEL
ENGINE REACTION:Derate 25%
VERIFICATION:Engine idle: 1 minute.
PROBABLE CAUSES:1. ECM pin 1 shorted to ground.2. Quantity control valve failure.3. Quantity control valve harness/connector.
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