P1320 Lexus Code - Igniter Circuit Malfunction No. 5
Quick Answer
The P1320 diagnostic trouble code (DTC) for Lexus vehicles indicates an Igniter Circuit Malfunction No. Common causes include Faulty ignition coil, Worn out spark plugs, Damaged ignition wiring. 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
- P1320 Lexus indicates Igniter Circuit Malfunction No. 5.
- Common causes
- Common causes include Faulty ignition coil, Worn out spark plugs, Damaged ignition wiring.
- 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.
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Code P1320 Lexus Description
The P1320 diagnostic trouble code (DTC) for Lexus vehicles indicates an Igniter Circuit Malfunction No. 5. This code specifically relates to an issue with the ignition system, more specifically the igniter circuit for the fifth cylinder. The igniter circuit is responsible for providing the high-voltage spark needed to ignite the air-fuel mixture in the combustion chamber, allowing the engine to run smoothly. When this circuit malfunctions, it can lead to misfires, poor engine performance, and potentially even engine stalling.
Common Causes of P1320 Lexus
- Faulty ignition coil.
- Worn out spark plugs.
- Damaged ignition wiring.
- Malfunctioning Engine Control Module (ECM).
- Poor connection within the igniter circuit.
Symptoms of P1320 Lexus
- Rough idle or engine misfires.
- Engine hesitation or lack of power.
- Difficulty starting the engine.
- Engine stalling or shutting off unexpectedly.
How to Fix P1320 Lexus
- Diagnose the issue by using a scan tool to read the DTC and identify the specific cylinder causing the problem.
- Inspect the ignition system components, including the ignition coil, spark plugs, and wiring, for any signs of damage or wear.
- Test the Ignition Control Module and Engine Control Module for proper function.
- Replace any faulty components, such as the ignition coil, spark plugs, or wiring, as needed.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1320 Lexus
The typical repair costs for addressing a P1320 code in a Lexus vehicle can range from $200 to $500, including parts and labor. However, it's important to note that the actual cost can vary based on the specific diagnosis time and labor rates at auto repair shops. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. It's recommended to obtain quotes from local shops for a more accurate estimate.
When is the Code Detected?
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Frequently Asked Questions about P1320 Lexus Code
1. What does the OBDII code P1320 mean on a Lexus?
P1320 indicates an igniter circuit malfunction in cylinder No. 5, suggesting an issue with the ignition system.
2. What are the common symptoms of the P1320 code in a Lexus?
Symptoms include engine misfires, rough idling, reduced power, difficulty starting, and possible activation of the check engine light.
3. What causes the P1320 code to appear in a Lexus?
Common causes include a faulty ignition coil, damaged spark plugs, wiring issues, or a malfunctioning igniter circuit.
4. Can a bad ignition coil trigger the P1320 code in a Lexus?
Yes, a defective ignition coil is a common cause of this code as it disrupts the igniter circuit's performance.
5. How can I diagnose the P1320 code on my Lexus?
Inspect the ignition coil, spark plugs, and wiring associated with cylinder No. 5 for damage or wear, and perform tests with a multimeter if necessary.
6. Is it safe to drive my Lexus with the P1320 code active?
Driving with this code can cause engine misfires and damage to other components. It’s best to address the issue promptly.
7. How do I fix the P1320 code on a Lexus?
Repairs may include replacing the ignition coil, spark plug, or fixing damaged wiring connected to cylinder No. 5.
8. Will clearing the P1320 code fix the problem in my Lexus?
Clearing the code doesn’t resolve the underlying issue. You need to diagnose and repair the fault causing the igniter circuit malfunction.
9. Can a bad ECU cause the P1320 code on a Lexus?
It's rare, but a malfunctioning ECU can sometimes cause ignition circuit issues. Inspect other components first before considering ECU replacement.
10. How much does it cost to repair the P1320 code on a Lexus?
Repair costs vary depending on the issue, but replacing an ignition coil typically costs $100-$300 plus labor.
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