AutoCodes – Isuzu – P0351 Isuzu

P0351 Isuzu Code - Ignition Coil 1 Control Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 circuit poor electrical connection. 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: P0351 Isuzu indicates Ignition Coil 1 Control Circuit.
Common causes: Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 circuit poor electrical connection.
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 Popularity 8,347

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0351 Isuzu Description

The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.

OBDII Code P0351 Isuzu - Ignition Coil 1 Control Circuit - AutoCodes.com — P0351 Isuzu Code - Ignition Coil 1 Control Circuit

What does this mean?

What are the Possible Causes of the DTC P0351 Isuzu?

Faulty Ignition Coil 1
Ignition Coil 1 harness is open or shorted
Ignition Coil 1 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0351 Isuzu?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0351 Isuzu code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0351 Isuzu code?

Need more information on how to fix the P0351 Isuzu code? Get Access to Factory Service Manuals

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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 P0351 Isuzu Code

1. What is OBDII code P0351 for Isuzu?

The OBDII code P0351 for Isuzu specifically refers to the Ignition Coil 1 Control Circuit malfunction.

2. What are the common symptoms of OBDII code P0351 in an Isuzu?

Common symptoms of OBDII code P0351 in an Isuzu may include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

3. What causes the OBDII code P0351 in an Isuzu?

The most common causes of OBDII code P0351 in an Isuzu are a faulty ignition coil, wiring issues in the ignition coil circuit, or a defective Engine Control Module (ECM).

4. How can I diagnose the Ignition Coil 1 Control Circuit issue in my Isuzu?

Diagnosing the Ignition Coil 1 Control Circuit issue in your Isuzu involves checking the ignition coil, inspecting the wiring for any damage, testing the circuit for continuity, and scanning the ECM for fault codes.

5. Can I still drive my Isuzu with OBDII code P0351?

It is not recommended to drive your Isuzu with OBDII code P0351, as it can lead to further engine damage and decreased performance. It's best to address the issue promptly.

6. How do I repair OBDII code P0351 in my Isuzu?

To repair OBDII code P0351 in your Isuzu, you may need to replace the faulty ignition coil, repair any damaged wiring, or reprogram the ECM if necessary.

7. Are there any preventative measures to avoid OBDII code P0351 in my Isuzu?

Routine maintenance, such as regular inspections of the ignition system components and timely replacement of worn-out parts, can help prevent OBDII code P0351 in your Isuzu.

8. Can a DIY enthusiast fix OBDII code P0351 in an Isuzu?

Depending on your knowledge and experience with automotive repairs, a DIY enthusiast may be able to fix OBDII code P0351 in an Isuzu by following a repair manual and using the necessary tools.

9. Is resetting the Check Engine Light enough to resolve OBDII code P0351 in my Isuzu?

Resetting the Check Engine Light may temporarily turn off the light, but it will not fix the underlying issue causing OBDII code P0351 in your Isuzu. Proper diagnosis and repair are necessary.

10. Will ignoring OBDII code P0351 lead to more serious problems in my Isuzu?

Ignoring OBDII code P0351 in your Isuzu can lead to increased fuel consumption, engine misfires, and potential damage to other components. It's essential to address the issue promptly to prevent further problems.