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Engine-Codes – Saturn – P0108 Saturn

P0108 Saturn Code - Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Quick Answer

The P0108 code for a Saturn indicates a high input in the Manifold Absolute Pressure (MAP) or Barometric Pressure circuit. Common causes include Faulty MAP sensor, Wiring or connector issues in the MAP sensor circuit, Vacuum leaks in the intake manifold. 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 Saturn indicates Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
Common causes
Common causes include Faulty MAP sensor, Wiring or connector issues in the MAP sensor circuit, Vacuum leaks in the intake manifold.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P0108 Saturn Description

The P0108 code for a Saturn indicates a high input in the Manifold Absolute Pressure (MAP) or Barometric Pressure circuit. The MAP sensor measures the pressure inside the intake manifold and sends this information to the engine control module (ECM) to determine the correct air-fuel mixture for combustion. A high input in this circuit can lead to incorrect fuel delivery, affecting the engine's performance and efficiency.

OBDII Code P0108 Saturn - Manifold Absolute Pressure/Barometric Pressure Circuit High Input
P0108 Saturn Code - Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Common Causes of P0108 Saturn

  1. Faulty MAP sensor
  2. Wiring or connector issues in the MAP sensor circuit
  3. Vacuum leaks in the intake manifold
  4. Dirty or clogged MAP sensor
  5. ECM software issues

Symptoms of P0108 Saturn

  1. Check Engine Light illuminated
  2. Reduced engine power
  3. Poor fuel economy
  4. Engine stalling or hesitation
  5. Rough idling

How to Fix P0108 Saturn

  1. Diagnose the code using a scan tool to verify the high input in the MAP sensor circuit.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace as necessary.
  3. Test the MAP sensor for proper operation and replace if faulty.
  4. Check for vacuum leaks in the intake manifold and repair as needed.
  5. Clear the code and perform a test drive to confirm the issue has been resolved.

Cost to Fix P0108 Saturn

The typical repair costs for addressing a P0108 code in a Saturn can range from $100 to $300, depending on the specific cause of the issue and the labor rates of the auto repair shop. Additional costs may apply if any parts need to be replaced. As mentioned earlier, labor rates can vary, so it's recommended to get a local estimate for a more accurate cost prediction.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0108 Saturn Code

1. What are the common symptoms of OBDII code P0108 in a Saturn vehicle?

Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, stalling, and possibly an illuminated check engine light.

2. What does the OBDII code P0108 on a Saturn indicate?

OBDII code P0108 indicates a high input in the Manifold Absolute Pressure (MAP) or Barometric Pressure Circuit.

3. What are the possible causes of OBDII code P0108 in a Saturn?

Possible causes include a faulty MAP sensor, damaged wiring or connectors in the MAP circuit, a vacuum leak, or a problem with the engine's computer.

4. How can I diagnose the cause of OBDII code P0108 in my Saturn?

Diagnosis involves inspecting the MAP sensor, checking for vacuum leaks, testing the wiring and connectors in the MAP circuit, and using a scan tool to monitor sensor data.

5. Can I drive my Saturn with OBDII code P0108?

It is not recommended to drive your Saturn with OBDII code P0108, as it can lead to further engine damage and potentially unsafe driving conditions.

6. How can I repair OBDII code P0108 in my Saturn?

Repair options include replacing the faulty MAP sensor, repairing damaged wiring or connectors, fixing any vacuum leaks, or reprogramming the engine's computer.

7. Will resetting the check engine light make OBDII code P0108 go away?

Resetting the check engine light may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.

8. Is OBDII code P0108 in a Saturn a serious issue?

OBDII code P0108 should be addressed promptly to prevent further damage to the engine and ensure optimal performance and fuel efficiency.

9. Can a DIY enthusiast fix OBDII code P0108 in a Saturn?

Depending on their skill level, DIY enthusiasts may be able to diagnose and repair OBDII code P0108 in a Saturn by following proper diagnostic procedures and using the right tools.

10. How much does it cost to repair OBDII code P0108 in a Saturn?

The cost of repairing OBDII code P0108 in a Saturn can vary depending on the underlying cause, parts needed, and labor rates, but it is generally affordable compared to more complex engine issues.

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