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P2021 Chrysler Code - Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2

Quick Answer

The P2021 code for Chrysler vehicles indicates an issue with the Intake Manifold Runner Position Sensor/Switch Circuit on Bank 2. Common causes include Faulty intake manifold runner position sensor/switch, Damaged wiring or connectors in the sensor circuit, Malfunctioning PCM. 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
P2021 Chrysler indicates Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2.
Common causes
Common causes include Faulty intake manifold runner position sensor/switch, Damaged wiring or connectors in the sensor circuit, Malfunctioning PCM.
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 Sep 09, 2024
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Code P2021 Chrysler Description

The P2021 code for Chrysler vehicles indicates an issue with the Intake Manifold Runner Position Sensor/Switch Circuit on Bank 2. This sensor is responsible for monitoring the position of the intake manifold runner, which helps regulate the airflow into the engine for optimal performance. When the sensor detects a low voltage or resistance in the circuit on Bank 2, it triggers the P2021 code.

OBDII Code P2021 Chrysler - Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2
P2021 Chrysler Code - Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2

Common Causes of P2021 Chrysler

  1. Faulty intake manifold runner position sensor/switch
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning PCM
  4. Vacuum leak in the intake system
  5. Carbon buildup in the intake manifold

Symptoms of P2021 Chrysler

  1. Decreased engine performance
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Check Engine Light illuminated
  5. Engine misfires or hesitations

How to Fix P2021 Chrysler

  1. Diagnose the issue by using a scan tool to retrieve the specific fault code and investigate the intake manifold runner position sensor/switch circuit on Bank 2.
  2. Inspect the sensor, wiring, connectors, and vacuum lines for any visible damage or signs of wear. Repair or replace any faulty components.
  3. Clear the fault code from the PCM memory and test drive the vehicle to ensure the issue has been resolved.
  4. If the problem persists, perform a thorough inspection of the intake manifold and related components to check for any additional issues that may be contributing to the code.
  5. Once the necessary repairs have been made, reset the PCM and recheck for any recurring fault codes to confirm the problem has been successfully addressed.

Cost to Fix P2021 Chrysler

The typical repair costs for resolving a P2021 code on a Chrysler vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the parts required for this repair, such as a new intake manifold runner position sensor/switch or wiring components, can range from $50 to $200. Labor costs at auto repair shops can vary between $80 and $150 per hour, with total repair costs typically falling between $150 and $500. However, it's essential to consider that rates may vary based on location, vehicle make and model, and the complexity of the repair. It's recommended to obtain a detailed estimate from a trusted repair shop to determine the precise cost for addressing this specific code.

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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 P2021 Chrysler Code

1. What are the common symptoms of OBDII code P2021 in a Chrysler related to the Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2?

- Common symptoms include poor engine performance, reduced fuel efficiency, rough idle, and possibly stalling.

2. What does the OBDII code P2021 indicating a Low Bank 2 Intake Manifold Runner Position Sensor/Switch Circuit mean in a Chrysler?

- This code suggests that there is a problem with the position sensor or switch in the intake manifold runner on bank 2, indicating a potential issue with the runner control system.

3. What are the possible causes of OBDII code P2021 in a Chrysler?

- The causes can include a faulty intake manifold runner position sensor/switch, wiring issues, a vacuum leak, or a problem with the intake manifold itself.

4. How can I diagnose the OBDII code P2021 related to the Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2 in my Chrysler?

- Diagnosis typically involves checking the sensor/switch for proper operation, inspecting the wiring for any damage or connectivity issues, and ensuring the intake manifold runner system is functioning correctly.

5. Can I continue to drive my Chrysler with the OBDII code P2021 present?

- It is not recommended to continue driving with this code as it can lead to further engine damage or poor performance. It's best to address the underlying issue promptly.

6. How can I repair the OBDII code P2021 related to the Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2 in my Chrysler?

- Repair may involve replacing the intake manifold runner position sensor/switch, repairing any wiring faults, fixing vacuum leaks, or addressing any issues with the intake manifold itself.

7. Is it possible to reset the OBDII code P2021 in a Chrysler without fixing the underlying issue?

- While you can clear the code with an OBDII scanner, it will likely return if the root cause is not addressed. It's important to fix the problem to prevent further issues.

8. How much does it typically cost to repair the OBDII code P2021 for the Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2 in a Chrysler?

- The cost can vary depending on the specific issue, but it may involve parts and labor expenses ranging from $200 to $500 or more, depending on the extent of the repairs needed.

9. Are there any preventive maintenance steps I can take to avoid encountering the OBDII code P2021 in my Chrysler?

- Regularly inspecting and maintaining your vehicle's intake system, including the manifold runner components, can help prevent issues that could trigger this code.

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