[SOLVED] Jeep P0351 Code: Fast Fix For Ignition Coil Circuit

The OBD code P0351 for a Jeep indicates a problem with Ignition Coil 1. Symptoms include Engine Light ON, lack of power, hard starting, engine hesitation, and rough idle.

Causes can be a faulty Ignition Coil 1, wiring issues, or a faulty ECM.

This issue is serious as it affects engine performance.

To fix, inspect wiring and connectors for damage and ensure proper connection.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	6.67 (Out of 10)

Symptoms of the Jeep p0351 OBD Code

The vehicle may experience rough idling, misfires, or lack of power with fault code P0351.

With OBD code P0351 on a Jeep, the Engine Light will be ON.
Lack/Loss of Power may be experienced.
The engine may be harder to start.
Engine hesitation can occur.
Rough engine idle may be noticeable.

Causes of the Jeep p0351 OBD Code

Possible reasons for Jeep fault code P0351 include ignition coil issues or wiring faults.

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P0351 in a Jeep can be caused by a Faulty Ignition Coil 1.
An open or shorted Ignition Coil 1 harness.
A poor electrical connection in the Ignition Coil 1 circuit.
A Faulty Engine Control Module (ECM).

Fixing Jeep Error Code p0351 Step By Step

Replace the ignition coil on the cylinder 1 of the Jeep to address fault code P0351.

To fix a Jeep OBDII code P0351, start by reviewing the possible causes related to the ignition coil circuit.
Visually inspect the wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
Test the ignition coil for proper operation and replace if necessary.
Clear the fault code from the vehicle’s computer using a scan tool.
Finally, test drive the vehicle to ensure the issue has been resolved.

Cost Of Fixing Jeep p0351 Fault Code

Diagnosing and repairing fault code P0351 on a Jeep involves testing and potentially replacing the ignition coil.

The cost to diagnose and fix a Jeep OBD code P0351 typically ranges from $75 to $150 per hour for labor rates.

With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the repair.

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Details of the Jeep p0351 OBD Code

Fault code P0351 in a Jeep indicates an ignition coil primary/secondary circuit malfunction on cylinder 1.

OBD code P0351 for a Jeep means that a malfunction has been detected in ignition coil A primary/secondary circuit.

This code is triggered by the Engine Control Module (ECM) when it detects a fault in the primary or secondary circuit of ignition coil A.

The ECM monitors the primary and secondary circuits of the ignition coil to ensure proper operation and efficient spark delivery to the spark plugs.

If a fault is detected in the circuit, the ECM will trigger code P0351.

Mechanic’s Tech Notes

Detailed information on diagnosing and repairing Jeep fault code p0351 related to ignition coil primary/secondary circuit malfunction.

For OBDII code P0351 on a Jeep, start by checking the ignition coil for cylinder 1. Use a voltmeter to test the coil’s primary and secondary circuits for proper resistance values.

Inspect the coil connector for any signs of damage or corrosion.

Verify power and ground connections to the coil.

If everything checks out, move on to testing the wiring harness between the coil and the PCM for any faults.

A scan tool can help monitor live data and ignition system performance.

If no issues are found, consider replacing the ignition coil.

Remember to clear the code after repairs are made.

FAQ

1. What are the common causes of OBD code P0351 in a Jeep vehicle?

Common causes of OBD code P0351 in a Jeep: Faulty Ignition Coil 1, open/shorted harness, poor electrical connection, or faulty ECM. Inspect wiring and connectors for damage.

2. How can I diagnose and fix OBD code P0351 in my Jeep?

Diagnose P0351 in Jeep: Check Ignition Coil 1, harness, connectors for faults. Inspect ECM. Fix: Repair/replace faulty components, ensure good electrical connections.

3. Is it safe to continue driving my Jeep with OBD code P0351 present?

It is not safe to continue driving with OBD code P0351. Check Ignition Coil 1, harness, and ECM for faults. Inspect wiring and connectors for damage.

Wrap Up

If your Jeep is displaying OBD code p0351 and experiencing rough idling, stalling, or difficulty starting, it may be caused by a faulty ignition coil, damaged wiring harness, or poor electrical connection in the ignition coil circuit.

To address Jeep OBD code p0351, check the ignition coil for proper operation, inspect the wiring harness for any signs of damage or corrosion, and ensure all electrical connections related to the ignition coil are secure.

Consider replacing the ignition coil if necessary to resolve the issue effectively.