Engine-CodesGeneric – P0253

P0253 Code - Injection Pump Fuel Metering Control 'A' Low

Quick Answer

The P0253 diagnostic trouble code indicates that there is a problem with the Injection Pump Fuel Metering Control 'A' being too low. Common causes include Faulty fuel injector, Clogged fuel filter, Wiring or electrical issues in the fuel injection system. 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
P0253 indicates Injection Pump Fuel Metering Control 'A' Low.
Common causes
Common causes include Faulty fuel injector, Clogged fuel filter, Wiring or electrical issues in the fuel injection system.
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 Aug 18, 2024
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Code P0253 Description

The P0253 diagnostic trouble code indicates that there is a problem with the Injection Pump Fuel Metering Control 'A' being too low. This code typically points to an issue with the fuel injection system, specifically the fuel metering control system that regulates the amount of fuel being injected into the engine. When this control is too low, it can lead to a lean fuel mixture, causing poor engine performance, reduced fuel efficiency, and potential damage to the engine over time.

OBDII Code P0253 - Injection Pump Fuel Metering Control 'A' Low
P0253 Code - Injection Pump Fuel Metering Control 'A' Low

Common Causes of P0253

  1. Faulty fuel injector
  2. Clogged fuel filter
  3. Wiring or electrical issues in the fuel injection system
  4. Fuel pressure regulator malfunction
  5. Issues with the fuel pump

Symptoms of P0253

  1. Engine misfires or hesitation during acceleration
  2. Reduced engine power and performance
  3. Rough idling or stalling
  4. Increased fuel consumption
  5. Check Engine Light illuminated on the dashboard

How to Fix P0253

  1. Diagnose the specific cause of the code by conducting a thorough inspection of the fuel injection system.
  2. Test the fuel injector to determine if it is functioning properly or needs to be replaced.
  3. Check and replace the fuel filter if it is clogged or dirty.
  4. Inspect the wiring and connectors in the fuel injection system for any signs of damage or corrosion.
  5. Test the fuel pressure regulator and fuel pump to ensure they are operating within the correct parameters.

Cost to Fix P0253

The cost of repairing a P0253 code can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the parts required for this repair, such as a fuel injector or fuel filter, can range from $100 to $500. Labor costs can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for resolving a P0253 code could be in the range of $200 to $800. It's recommended to obtain a detailed quote from a local auto repair shop to get a more accurate estimate based on your specific circumstances.

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Code P0253 Information for Specific Makes

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.

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