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P2024-MASS AIR FLOW SENSOR SIGNAL VOLTAGE TOO HIGH When Monitored: With the ignition on. Set Condition: P2024-MASS AIR FLOW SENSOR SIGNAL VOLTAGE TOO LOW When Monitored: With the ignition on. Set Condition: P2067-MASS AIR FLOW SENSOR SIGNAL VOLTAGE TOO HIGH When Monitored: With the ignition on. Set Condition: The Mass Air Flow Sensor Signal voltage is above 4.8 volts. P2067-MASS AIR FLOW SENSOR SIGNAL VOLTAGE TOO LOW When Monitored: With the ignition on. Set Condition: The Mass Air Flow Sensor Signal voltage is below 0.2 volt. P2068-MASS AIR FLOW SENSOR PLAUSIBILITY SIGNAL RATIO ERROR When Monitored: With the ignition on. Set Condition: The ECM detects a rationality problem with the MAF Sensor. POSSIBLE CAUSES 12 VOLT SUPPLY CIRCUIT OPEN CHECKING THE ENGINE CONTROL RELAY SYSTEM ECM - 5-VOLT SUPPLY CIRCUIT MASS AIRFLOW SENSOR SENSOR GROUND OPEN INTERMITTENT CONDITION MAF SENSOR 5 VOLT SUPPLY CIRCUIT OPEN MAF SENSOR SIGNAL CIRCUIT OPEN MAF 5 VOLT SUPPLY CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT MAF SENSOR SIGNAL CIRCUIT SHORTED TO GROUND ECM SENSOR GROUND CIRCUIT OPEN MAF SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND MAF SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT MAF SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE MAF SENSOR CIRCUIT SHORTED TO VOLTAGE 20 DRIVEABILITY - DIESEL P0100-MASS AIR FLOW SENSOR SIGNAL VOLTAGE TOO LOW — Continued |