Chrysler 300M 2002 Service Manual page 2461

DRIVEABILITY - NGC
Symptom:
P0068-MANIFOLD PRESSURE/THROTTLE POSITION CORRELA-
TION - HIGH FLOW/VACUUM LEAK DETECTED
When Monitored and Set Condition:
P0068-MANIFOLD PRESSURE/THROTTLE POSITION CORRELATION - HIGH
FLOW/VACUUM LEAK DETECTED
When Monitored: Engine Running, during all drive modes.
Set Condition: If vacuum drops below 1.5 Hg with engine RPM greater than 2000 RPM
at closed throttle.
INTERMITTENT CONDITION
VACUUM LEAK
HIGH RESISTANCE IN MAP 5 VOLT SUPPLY CIRCUIT
RESISTANCE TO GROUND IN MAP 5 VOLT SUPPLY CIRCUIT
MAP SENSOR
HIGH RESISTANCE IN MAP SENSOR SIGNAL CIRCUIT
RESISTANCE TO GROUND IN MAP SENSOR SIGNAL CIRCUIT
HIGH RESISTANCE IN MAP SENSOR GROUND CIRCUIT
PCM
HIGH RESISTANCE IN TPS 5 VOLT SUPPLY CIRCUIT
RESISTANCE TO GROUND IN TPS 5 VOLT SUPPLY CIRCUIT
TP SENSOR
HIGH RESISTANCE IN TP SENSOR SIGNAL CIRCUIT
RESISTANCE TO GROUND IN TPS SIGNAL CIRCUIT
HIGH RESISTANCE IN TPS GROUND CIRCUIT
PCM
POSSIBLE CAUSES
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