Possible Causes
- MAP SENSOR VOLTAGE ABOVE 4.9 VOLTS
- (K1) MAP SIGNAL CIRCUIT SHORTED TO (K7) 5 VOLT SUPPLY CIRCUIT
- (K1) MAP SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
- MAP SENSOR INTERNAL FAILURE
- (K1) MAP SIGNAL CIRCUIT OPEN
- (K4) SENSOR GROUND CIRCUIT OPEN
- PCM