AutoCodes – Ford – P0350 1997 Ford F150

P0350 1997 Ford F150 Code - Ignition Coil Primary Secondary Circuit Malfunction

Quick Answer

The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. Common causes include Faulty Ignition Coil Primary/Secondary, Ignition Coil Primary/Secondary harness is open or shorted, Ignition Coil Primary/Secondary 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: P0350 1997 Ford F150 indicates Ignition Coil Primary Secondary Circuit Malfunction .
Common causes: Common causes include Faulty Ignition Coil Primary/Secondary, Ignition Coil Primary/Secondary harness is open or shorted, Ignition Coil Primary/Secondary 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 3,004

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
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0350 1997 Ford F150 Description

The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.

OBDII Code P0350 1997 Ford F150 - Ignition Coil Primary Secondary Circuit Malfunction - AutoCodes.com — P0350 1997 Ford F150 Code - Ignition Coil Primary Secondary Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0350 1997 Ford F150?

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

How to Fix the DTC P0350 1997 Ford F150?

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 does this mean?

Code Tech Notes

Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in PCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0350 1997 Ford F150 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 P0350 1997 Ford F150 code?

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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 P0350 1997 Ford F150 Code

1. What are the common symptoms of OBDII code P0350 in a 1997 Ford F150?

- Common symptoms include engine misfires, rough idling, poor acceleration, and possible stalling.

2. What causes the ignition coil primary/secondary circuit malfunction in a 1997 Ford F150?

- The main causes can be a faulty ignition coil, damaged wiring or connectors, or issues with the powertrain control module (PCM).

3. How can I diagnose the problem related to code P0350 in my 1997 Ford F150?

- You can use an OBDII scanner to read the code and check the ignition coil, wiring, and connectors for any visible damage or issues.

4. Can a bad spark plug cause OBDII code P0350 to appear in a 1997 Ford F150?

- Yes, a bad spark plug can lead to misfires and trigger the P0350 code due to improper ignition coil operation.

5. What is the recommended repair for the ignition coil primary/secondary circuit malfunction in a 1997 Ford F150?

- The recommended repair is usually to replace the faulty ignition coil, repair any damaged wiring or connectors, and clear the error code.

6. Is it safe to continue driving my 1997 Ford F150 with OBDII code P0350 present?

- It is not recommended to drive the vehicle with code P0350 as it can lead to further engine damage and potential safety hazards.

7. How much does it typically cost to repair OBDII code P0350 in a 1997 Ford F150?

- The cost can vary depending on the exact cause of the issue, but it generally ranges from $100 to $300 for parts and labor.

8. Can I reset the OBDII code P0350 in my 1997 Ford F150 without fixing the underlying issue?

- While you can clear the code temporarily, it will likely reappear if the root cause of the problem is not addressed.

9. Are there any preventive maintenance tips to avoid OBDII code P0350 in a 1997 Ford F150?

- Regularly checking and replacing spark plugs, inspecting ignition coils, and maintaining proper engine tune-up can help prevent this issue.

10. Will fixing OBDII code P0350 improve the overall performance and fuel efficiency of my 1997 Ford F150?

- Yes, resolving the ignition coil malfunction can lead to smoother engine operation, improved fuel efficiency, and better overall performance of the vehicle.