Engine-CodesChrysler – P2174 Chrysler

P2174 Chrysler Code - Low Airflow/Restriction Detected Instantaneous Accumulation

Quick Answer

The P2174 Chrysler code indicates that the Engine Control Module (ECM) has detected low airflow or a restriction in the intake system during an instantaneous accumulation period. Common causes include Clogged air filter, Malfunctioning mass airflow sensor, Vacuum leak. 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
P2174 Chrysler indicates Low Airflow/Restriction Detected Instantaneous Accumulation.
Common causes
Common causes include Clogged air filter, Malfunctioning mass airflow sensor, Vacuum leak.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2174 Chrysler Description

The P2174 Chrysler code indicates that the Engine Control Module (ECM) has detected low airflow or a restriction in the intake system during an instantaneous accumulation period. This means that the ECM has detected a discrepancy between the expected airflow and the actual airflow entering the engine. This issue can lead to poor engine performance, reduced fuel efficiency, and potential damage to engine components if not addressed promptly.

OBDII Code P2174 Chrysler - Low Airflow/Restriction Detected Instantaneous Accumulation
P2174 Chrysler Code - Low Airflow/Restriction Detected Instantaneous Accumulation

Common Causes of P2174 Chrysler

  1. Clogged air filter
  2. Malfunctioning mass airflow sensor
  3. Vacuum leak
  4. Faulty throttle body
  5. Restricted exhaust system

Symptoms of P2174 Chrysler

  1. Rough idling or stalling
  2. Reduced acceleration or lack of power
  3. Decreased fuel efficiency
  4. Check Engine Light illuminated
  5. Engine running lean or rich

How to Fix P2174 Chrysler

  1. Inspect and replace the air filter if clogged.
  2. Check and clean the mass airflow sensor or replace if faulty.
  3. Inspect for vacuum leaks and repair as necessary.
  4. Clean or replace the throttle body if malfunctioning.
  5. Check the exhaust system for restrictions and address any issues found.

Cost to Fix P2174 Chrysler

The cost of repairing a P2174 Chrysler code can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this issue can range from $100 to $500. However, it is important to note that diagnostic time and labor rates at auto repair shops can vary significantly. It is recommended to obtain a detailed quote from a reputable auto repair shop in your area to get an accurate estimate. Remember to consider factors such as location, vehicle make and model, and engine type when estimating repair costs.

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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 P2174 Chrysler Code

No Frequently Asked Questions about P2174 Chrysler Code found.

Discuss the causes and fixes for P2174 Chrysler OBDII Code

  • Will a PO2174 code cause engine to shut down

  • Yes is related.
    There must be something (Like a clogged air filter) that is causing the engine to shut down and then the P2174 code is trigger. In other words the codes is not causing the engine to shut down, the codes is set after the engine shuts down.

    What model and year vehcile?