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P1358 Lincoln Code - Ignition Diagnostic Monitor Signal Out of Self-Test Range

Quick Answer

The P1358 code in a Lincoln vehicle indicates that the Ignition Diagnostic Monitor (IDM) signal is out of the self-test range. Common causes include Faulty ignition coil, Defective spark plugs, Wiring issues in the ignition 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
P1358 Lincoln indicates Ignition Diagnostic Monitor Signal Out of Self-Test Range.
Common causes
Common causes include Faulty ignition coil, Defective spark plugs, Wiring issues in the ignition 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1358 Lincoln Description

The P1358 code in a Lincoln vehicle indicates that the Ignition Diagnostic Monitor (IDM) signal is out of the self-test range. This means that the vehicle's computer has detected a fault in the ignition system that is outside of the normal operating parameters. The IDM is responsible for monitoring the ignition system's performance and ensuring that it is functioning correctly.

OBDII Code P1358 Lincoln - Ignition Diagnostic Monitor Signal Out of Self-Test Range
P1358 Lincoln Code - Ignition Diagnostic Monitor Signal Out of Self-Test Range

Common Causes of P1358 Lincoln

  1. Faulty ignition coil
  2. Defective spark plugs
  3. Wiring issues in the ignition system
  4. Malfunctioning ignition control module
  5. IDM sensor failure

Symptoms of P1358 Lincoln

  1. Rough idling
  2. Poor acceleration
  3. Misfires
  4. Decreased fuel efficiency
  5. Engine hesitation

How to Fix P1358 Lincoln

  1. Begin by using a diagnostic scanner to read the code and identify the specific issue causing the P1358 code.
  2. Inspect the ignition system components, including the ignition coil, spark plugs, and wiring, for any signs of damage or wear.
  3. Test the IDM sensor to determine if it is functioning correctly or needs to be replaced.
  4. Replace any faulty ignition components or wiring that are causing the IDM signal to be out of range.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1358 Lincoln

The cost of repairing a P1358 code in a Lincoln vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair could range from $100 to $500, with labor costs adding an additional $100 to $200. Overall, the total repair cost could be anywhere from $200 to $700. It's important to keep in mind that labor rates and part prices can vary, so it's recommended to get a detailed estimate from a trusted auto repair shop.

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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 P1358 Lincoln Code

1. What does the OBDII code P1358 mean on a Lincoln vehicle?

P1358 indicates that the Ignition Diagnostic Monitor (IDM) signal is out of the expected self-test range, suggesting an issue with the ignition system or related components.

2. What are the common symptoms of the P1358 code in a Lincoln?

Symptoms may include engine misfires, rough idling, reduced fuel efficiency, difficulty starting the engine, or an illuminated check engine light.

3. What causes the P1358 code to appear?

Common causes include a faulty ignition coil, damaged spark plug wires, poor electrical connections, or a malfunctioning powertrain control module (PCM).

4. Can a bad ignition coil trigger the P1358 code?

Yes, a failing or damaged ignition coil can cause the IDM signal to fall out of range, triggering the P1358 code.

5. How is the P1358 code diagnosed?

A mechanic will use a scan tool to confirm the code, inspect the ignition system components for damage, check wiring and connections, and test the ignition coil and PCM.

6. Can I drive my Lincoln with the P1358 code?

Driving with the P1358 code is not recommended, as it may lead to further engine damage, decreased performance, and increased emissions.

7. What repairs are typically needed to fix the P1358 code?

Repairs may include replacing a faulty ignition coil, repairing or replacing damaged wiring, replacing spark plugs or wires, or reprogramming or replacing the PCM.

8. Can a loose or corroded electrical connection cause the P1358 code?

Yes, loose, corroded, or damaged electrical connections in the ignition system can disrupt the IDM signal and trigger the code.

9. How much does it cost to fix the P1358 code on a Lincoln?

The cost depends on the specific repair needed, but replacing an ignition coil typically costs $150–$350, while PCM repairs or replacements may be more expensive.

10. Can I clear the P1358 code without fixing the issue?

Clearing the code without addressing the root cause will only temporarily remove the check engine light, and the code will likely return.

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