P0108 Chrysler Code - Manifold Absolute Pressure Sensor Circuit High
Quick Answer
The Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0108 Chrysler indicates Manifold Absolute Pressure Sensor Circuit High.
- Common causes
- Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0108 Chrysler Description
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.
What are the Possible Causes of the DTC P0108 Chrysler?
- 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 to Fix the DTC P0108 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
2011 Chrysler 200
2011 Chrysler 300
2011 Chrysler Town and Country
Chrysler Factory Service Bulletin OBDII Code P0108
The bulletin recommends reprogramming the Powertrain Control Module (PCM).
How To Install replace Manifold Pressure MAP sensor 2001-06 Chrysler Sebring 2.7L
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0108 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0108 Chrysler Code
1. What does the OBDII code P0108 mean on a Chrysler vehicle?
P0108 indicates that the Manifold Absolute Pressure (MAP) sensor circuit has a high voltage reading, which suggests an issue with the sensor or circuit.
2. What are the common symptoms of code P0108 in a Chrysler?
Symptoms may include poor engine performance, rough idling, decreased fuel efficiency, difficulty starting, or the Check Engine Light being illuminated.
3. What causes the P0108 code on a Chrysler?
Common causes include a faulty MAP sensor, damaged or corroded wiring, a vacuum leak, a malfunctioning powertrain control module (PCM), or excessive buildup in the intake manifold.
4. Can a dirty air filter cause the P0108 code?
A dirty air filter typically doesn’t cause P0108 directly, but it can contribute to airflow issues, which might indirectly affect the MAP sensor readings.
5. How do you diagnose the P0108 code in a Chrysler?
Diagnosis involves checking the MAP sensor voltage with a multimeter, inspecting wiring and connectors for damage, and testing for vacuum leaks in the intake manifold.
6. Can I drive my Chrysler with a P0108 code?
While it may be possible to drive, it’s not recommended as the engine may run poorly, and prolonged driving could cause further damage or increase emissions.
7. How is the P0108 code fixed on a Chrysler?
Repairs may include replacing the MAP sensor, repairing damaged wiring or connectors, addressing vacuum leaks, or updating/replacing the PCM if needed.
8. How much does it cost to repair a P0108 code on a Chrysler?
The repair cost varies but typically ranges from $75 to $200 for parts and labor, depending on the exact cause and location of the issue.
9. Can a P0108 code cause engine stalling in a Chrysler?
Yes, a faulty MAP sensor or related issues can lead to incorrect air-fuel mixture readings, which may cause the engine to stall.
10. Is a P0108 code related to the throttle body?
While not directly related, issues with the throttle body, such as carbon buildup, can affect intake pressure and potentially influence MAP sensor readings.
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