Engine-CodesGeneric – P1305

P1305 Code - Igniter Circuit Malfunction No. 2

Quick Answer

The OBD-II trouble code P1305 refers to an issue with the igniter circuit, specifically No. Common causes include Faulty igniter, Malfunctioning ignition coil, Damaged wiring or connections in the igniter circuit. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P1305 indicates Igniter Circuit Malfunction No. 2.
Common causes
Common causes include Faulty igniter, Malfunctioning ignition coil, Damaged wiring or connections in the igniter circuit.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1305 Description

The OBD-II trouble code P1305 refers to an issue with the igniter circuit, specifically No. 2 in the engine. In modern vehicles, the igniter circuit is responsible for controlling the ignition system, which generates the spark needed to ignite the air-fuel mixture in the combustion chamber. This code indicates a malfunction in the circuit that controls the ignition, which can have significant implications for the vehicle's performance.

OBDII Code P1305 - Igniter Circuit Malfunction No. 2
P1305 Code - Igniter Circuit Malfunction No. 2

Common Causes of P1305

  1. Faulty igniter
  2. Malfunctioning ignition coil
  3. Damaged wiring or connections in the igniter circuit
  4. Defective spark plug
  5. Failing distributor cap

Symptoms of P1305

  1. Engine misfires
  2. Rough idling
  3. Poor acceleration
  4. Stalling
  5. Difficulty starting

How to Fix P1305

  1. Use an OBD-II scanner to read and clear the trouble code.
  2. Inspect the ignition system components, including the igniter, ignition coil, spark plugs, and wiring.
  3. Replace any faulty components identified during the inspection.
  4. Test the ignition system to ensure proper function and clear the trouble code.
  5. Test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1305

The cost of repairing an igniter circuit malfunction (P1305) can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost can range from $150 to $500, including parts and labor. Keep in mind that additional diagnostic time may be necessary to pinpoint the exact cause of the problem, which can impact the final repair cost. It's recommended to consult with a qualified mechanic to get an accurate estimate for your specific vehicle.

Need more information about the P1305 code?

Need more information on how to fix the P1305 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1305 code diagnosed by a professional: Find a repair shop in your area

Code P1305 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.

Frequently Asked Questions about P1305 Code

1. What are the common symptoms of OBDII code P1305 (Igniter Circuit Malfunction No. 2)?

- Common symptoms include engine misfires, rough idling, difficulty starting the engine, and a noticeable decrease in engine performance.

2. What are the possible causes of OBDII code P1305?

- Possible causes of code P1305 include a faulty ignition coil, damaged spark plugs, wiring issues in the igniter circuit, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the cause of OBDII code P1305?

- Diagnosing code P1305 involves checking the ignition coil, inspecting the spark plugs, testing the wiring in the igniter circuit, and using a diagnostic scanner to read live data and pinpoint the issue.

4. Can a bad ignition coil cause OBDII code P1305?

- Yes, a faulty ignition coil can trigger code P1305 as it affects the proper functioning of the igniter circuit for the specific cylinder.

5. What repair tips can help fix OBDII code P1305?

- Repair tips for code P1305 include replacing the faulty ignition coil, ensuring proper spark plug gap and condition, repairing any damaged wiring, and resetting the ECM after repairs.

6. Is it safe to continue driving with OBDII code P1305 present?

- It is not recommended to continue driving with code P1305 as it can lead to further engine damage and reduced fuel efficiency. Prompt diagnosis and repair are advised.

7. Can a DIY enthusiast fix OBDII code P1305 at home?

- Depending on their experience and tools, a DIY enthusiast may be able to fix code P1305 at home by following repair guides, using the right diagnostic equipment, and having the necessary replacement parts.

8. How much does it typically cost to repair OBDII code P1305 at a mechanic?

- The cost of repairing code P1305 at a mechanic can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Are there any preventive measures to avoid OBDII code P1305 in the future?

- Regular maintenance, such as replacing spark plugs at recommended intervals, checking ignition components, and addressing engine issues promptly, can help prevent code P1305 from occurring.

10. How long does it take to repair OBDII code P1305?

- The repair time for code P1305 can vary based on the cause of the issue and the complexity of the repair. It may take anywhere from 1 to 3 hours for a skilled mechanic to diagnose and fix the problem.

Discuss the causes and fixes for P1305 OBDII Code

  • Have inspected ignition coils n coils are good.
    But engine light's still on.
    is there any possible causes or solution?

  • Let me check if I can find more information. What make, model and year is your vehicle?