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Symptom: P0108-MAP SENSOR VOLTAGE TOO HIGH When Monitored and Set Condition: P0108-MAP SENSOR VOLTAGE TOO HIGH When Monitored: With the engine RPM above 400, the TPS voltage less than 1.13 volt, and battery voltage greater than 10.4 volts Set Condition: The MAP sensor signal voltage is greater than 4.88 volts at start or with the engine running for 2.2 seconds. POSSIBLE CAUSES INTERMITTENT CONDITION MAP SENSOR SIGNAL CIRCUIT SHORTED TO 5 VOLT SUPPLY CIRCUIT MAP SENSOR SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE MAP SENSOR INTERNAL FAILURE MAP SENSOR SIGNAL CIRCUIT OPEN SENSOR GROUND CIRCUIT OPEN PCM TEST ACTION APPLICABILITY 1 Start the engine. t, read the MAP Sensor voltage. Is the voltage above 4.6 volts? All Yes → No → 2 Turn the ignition off. All Yes → Repair the MAP Sensor Signal circuit for a short to the 5 Volt No → 69 DRIVEABILITY - GAS |