DESCRIPTION:
Short to ground.
MONITORED PARAMETER:
Fuel cut off valve.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Once per drive cycle.
TYPICAL DURATION:
20 milliseconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
10% Derate
VERIFICATION:
1. Key on
2. Engine off
PROBABLE CAUSES:
1. Wiring between the FCV connector and the 120-pin ECM connection.
2. Hydrocarbon (HC) doser block assy.
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