P1371 – OBD-II DTC

OBD-II DTC P1371 – Ignition Spare

DTC P1371 meaning

DTC P1371 refers to a problem with the ignition system, specifically indicating an issue with the ignition spare. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of the vehicle to ensure proper operation. The “P” in the code signifies that it is a powertrain issue, which typically involves the engine and transmission.

DTC P1371 symptoms

Common symptoms associated with DTC P1371 may include:

  • Engine misfires
  • Difficulty starting the engine
  • Reduced engine performance
  • Illuminated check engine light
  • Unusual engine noises

DTC P1371 causes

Several factors can lead to the triggering of DTC P1371, including:

  • Faulty ignition coil
  • Wiring issues or poor connections in the ignition system
  • Defective spark plugs
  • Problems with the engine control module (ECM)
  • Incorrect ignition timing

DTC P1371 seriousness

The seriousness of DTC P1371 can vary. While it may not cause immediate catastrophic failure, it can lead to:

  • Increased emissions
  • Poor fuel economy
  • Potential damage to the engine if left unaddressed

It is advisable to diagnose and repair the issue promptly to avoid further complications.

How to diagnose DTC P1371

To diagnose DTC P1371, follow these steps:

  • Use an OBD-II scanner to confirm the code and check for any additional codes.
  • Inspect the ignition system components, including coils, wires, and spark plugs.
  • Check the wiring and connectors for signs of damage or corrosion.
  • Test the ignition timing to ensure it is set correctly.
  • Examine the engine control module for faults or updates.

How to fix DTC P1371 step-by-step instructions

To fix DTC P1371, follow these step-by-step instructions:

  • Clear the DTC using an OBD-II scanner.
  • Replace any faulty ignition coils or spark plugs.
  • Repair or replace damaged wiring and connectors in the ignition system.
  • Adjust the ignition timing if it is found to be incorrect.
  • Recheck the engine control module for any updates or necessary repairs.
  • Test drive the vehicle to ensure the issue is resolved and the check engine light does not reappear.

How to erase DTC P1371

To erase DTC P1371, follow these steps:

  • Connect an OBD-II scanner to the vehicle’s diagnostic port.
  • Turn on the ignition without starting the engine.
  • Navigate to the option to clear or erase trouble codes on the scanner.
  • Confirm the action to erase the codes.
  • Disconnect the scanner and start the engine to verify that the check engine light is off.

Recommended tools for OBD-II diagnostics

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