AutoCodes – Ford – P0350 2001 Ford F150

P0350 2001 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 2001 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 2,968

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 2001 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 2001 Ford F150 - Ignition Coil Primary Secondary Circuit Malfunction - AutoCodes.com — P0350 2001 Ford F150 Code - Ignition Coil Primary Secondary Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0350 2001 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 2001 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 2001 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 2001 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 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P0350 on a 2001 Ford F150?

- Common symptoms include engine misfires, rough idling, loss of power, and illuminated Check Engine light.

2. What can cause the ignition coil primary/secondary circuit malfunction in a 2001 Ford F150?

- Possible causes include a faulty ignition coil, damaged wiring or connectors, a defective PCM (Powertrain Control Module), or a problem with the spark plug.

3. How can I diagnose the ignition coil primary/secondary circuit malfunction on my 2001 Ford F150?

- Diagnosis involves using an OBDII scanner to retrieve the specific trouble code (P0350), inspecting the ignition coil, checking the wiring for damage, and testing the spark plugs.

4. Can driving with OBDII code P0350 on a 2001 Ford F150 cause further damage?

- Driving with this code may lead to decreased fuel efficiency, engine performance issues, and potential damage to the catalytic converter over time.

5. What is the typical repair process for fixing the ignition coil primary/secondary circuit malfunction on a 2001 Ford F150?

- The repair process usually involves replacing the faulty ignition coil, repairing or replacing damaged wiring, and clearing the trouble code with an OBDII scanner.

6. Are there any preventive maintenance tips to avoid encountering OBDII code P0350 on a 2001 Ford F150?

- Regularly inspecting and replacing spark plugs, maintaining a clean air filter, and ensuring proper engine maintenance can help prevent ignition coil issues.

7. How much does it cost to repair the ignition coil primary/secondary circuit malfunction on a 2001 Ford F150?

- The cost of repair can vary depending on the extent of the damage and whether you choose to do the repair yourself or take it to a professional mechanic. Costs can range from $100 to $300 or more.

8. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P0350 on a 2001 Ford F150?

- Yes, fixing this issue can be done by someone with basic automotive knowledge, as long as they have the necessary tools and follow a repair guide specific to their vehicle.

9. What are the risks of ignoring OBDII code P0350 on a 2001 Ford F150?

- Ignoring this code can lead to more severe engine issues, decreased fuel efficiency, and potentially costly repairs down the line if the underlying problem is not addressed promptly.

10. Is it safe to continue driving a 2001 Ford F150 with a persistent P0350 trouble code?

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