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P0108 Lincoln Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

- Code Popularity: 1,074 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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Code P0108 Lincoln Possible Causes

  • Faulty Manifold Absolute Pressure (MAP) Sensor
  • Manifold Absolute Pressure Sensor harness is open or shorted
  • Manifold Absolute Pressure Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How do I Fix the Code P0108 Lincoln?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Lincoln have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P0108 Lincoln?

Labor: 1.0

The cost of diagnosing the P0108 Lincoln code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code P0108 Lincoln Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine rough idle
  • Engine hesitation

Code P0108 Lincoln Description

The Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. Pressure in the intake manifold is affected by engine speed, throttle opening, air temperature, Barometric Pressure (BARO) and if equipped, turbocharger output. A diaphragm within the MAP sensor is displaced by the pressure changes that occur from the varying load and operating conditions of the engine. The sensor translates this action into electrical resistance.
The MAP sensor wiring includes 3 circuits. The Engine Control Module (ECM) supplies a regulated 5 volts to the sensor on a 5 V reference circuit. The ECM supplies ground on a low reference circuit. The MAP sensor provides a signal voltage to the ECM, relative to the pressure changes, on the MAP sensor signal circuit. The ECM converts the signal voltage input to a pressure value.
Under normal operation the greatest pressure that can exist in the intake manifold is at ignition ON, engine OFF, which is equal to the BARO. The lowest manifold pressure occurs when the vehicle is idling or decelerating. The ECM monitors the MAP sensor signal for pressure outside of the normal range.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAP Sensor voltage is more than 4.50 V for greater than 13 ms.
OBDII Code P0108 Lincoln - Manifold Absolute Pressure/Barometric Pressure Sensor High Input -
P0108 Lincoln Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

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