P027E

2017-10-10

Description:

  • Cold Start Fuel Injection Quantity A Lower Than Expected

Possible Symptoms:

  • Check the fuel injectors for any clogs or leaks and clean or replace as necessary

  • Inspect the fuel pressure regulator and ensure it is functioning properly

  • Verify that the engine coolant temperature sensor is providing accurate readings and replace if faulty

  • Examine and clean the air intake system, including the air filter and throttle body

  • Test the oxygen sensors to ensure they are operating correctly and replace if needed

Possible Causes:

  • Clogged fuel injectors

  • Faulty fuel pressure sensor

  • Malfunctioning fuel pump

  • Dirty or faulty Mass Air Flow (MAF) sensor

  • Oxygen sensor malfunction

Related Parts:

Possible Solutions:

  • Difficulty starting the engine in cold weather

  • Rough idling or stumbling engine at startup

  • Poor acceleration or lack of power when accelerating

  • Engine misfires or stalls during operation

  • Increased fuel consumption

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