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Engine-Codes – Ford – P0355 1999 Ford F150

P0355 1999 Ford F150 Code - Ignition Coil 'E' Primary/Secondary Circuit

Quick Answer

The P0355 code for a 1999 Ford F150 indicates a problem with the Ignition Coil 'E' Primary/Secondary Circuit. Common causes include Faulty ignition coil, Wiring or connector issues, PCM malfunction. 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
P0355 1999 Ford F150 indicates Ignition Coil 'E' Primary/Secondary Circuit .
Common causes
Common causes include Faulty ignition coil, Wiring or connector issues, PCM malfunction.
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 12, 2024
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Code P0355 1999 Ford F150 Description

The P0355 code for a 1999 Ford F150 indicates a problem with the Ignition Coil 'E' Primary/Secondary Circuit. This means that there is an issue with the electrical circuit that controls the ignition coil for cylinder 'E'. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs, which ignites the air-fuel mixture in the engine's cylinders. This ignition process is crucial for the engine to run smoothly and efficiently.

OBDII Code P0355 1999 Ford F150 - Ignition Coil 'E' Primary/Secondary Circuit
P0355 1999 Ford F150 Code - Ignition Coil 'E' Primary/Secondary Circuit

Common Causes of P0355 1999 Ford F150

  1. Faulty ignition coil
  2. Wiring or connector issues
  3. PCM malfunction
  4. Spark plug wire issues
  5. Corrosion or damage to electrical components

Symptoms of P0355 1999 Ford F150

  1. Engine misfires
  2. Rough idling
  3. Poor acceleration
  4. Stalling of the engine
  5. Decreased fuel efficiency

How to Fix P0355 1999 Ford F150

  1. Begin by visually inspecting the wiring and connectors related to the Ignition Coil 'E' Primary/Secondary Circuit for any signs of damage or corrosion.
  2. Test the ignition coil using a multimeter to determine if it is functioning correctly. Replace the ignition coil if necessary.
  3. Check the powertrain control module (PCM) for any error codes or malfunctions that could be affecting the circuit. Reset or replace the PCM as needed.
  4. Inspect the spark plug wires for any damage or wear and replace them if necessary.
  5. Clear the diagnostic trouble codes using an OBD-II scanner after completing the repairs to reset the system.

Cost to Fix P0355 1999 Ford F150

The typical repair costs for addressing the Ignition Coil 'E' Primary/Secondary Circuit issue in a 1999 Ford F150 can vary depending on the specific cause of the problem. In general, replacing an ignition coil can cost between $50 and $200, while labor costs can range from $50 to $150 per hour. The total repair cost, including parts and labor, could amount to around $150 to $400. However, it is essential to keep in mind that these estimates are approximate and can fluctuate based on various factors, such as location, the mechanic's rates, and the availability of parts. It is advisable to consult with a professional mechanic or auto repair shop for a more accurate cost estimate tailored to your specific situation.

What does this mean?

Tech Notes for P0355 1999 Ford F150

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).

When is the Code Detected?

Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.

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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 P0355 1999 Ford F150 Code

1. What are common symptoms of OBDII code P0355 on a 1999 Ford F150?

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

2. What are the possible causes of OBDII code P0355 on a 1999 Ford F150?

- The code P0355 typically indicates a malfunction in the ignition coil 'E' primary/secondary circuit. Possible causes include a faulty ignition coil, wiring issues, or a problem with the PCM.

3. How can I diagnose the issue related to OBDII code P0355 on a 1999 Ford F150?

- To diagnose the issue, you can use a scan tool to check for the specific code, visually inspect the ignition coil and related wiring, perform resistance tests on the coil, and test the coil with a multimeter.

4. Can I continue driving my 1999 Ford F150 with OBDII code P0355 present?

- It is not recommended to continue driving with code P0355 present, as it can lead to further damage to the ignition system and potentially cause more severe issues with the engine's performance.

5. How do I repair OBDII code P0355 on a 1999 Ford F150?

- The repair typically involves replacing the faulty ignition coil 'E', addressing any wiring issues, and clearing the code from the PCM using a scan tool.

6. Are there any DIY tips for fixing OBDII code P0355 on a 1999 Ford F150?

- While replacing the ignition coil can be a straightforward DIY task for some, it's recommended to follow a service manual or seek professional help to ensure proper installation and diagnosis.

7. How much does it cost to repair OBDII code P0355 on a 1999 Ford F150?

- The cost of repair can vary depending on the location, labor rates, and the price of the ignition coil. On average, the repair cost for code P0355 can range from $100 to $300.

8. Can a faulty spark plug cause OBDII code P0355 on a 1999 Ford F150?

- While a faulty spark plug can contribute to ignition issues, code P0355 specifically points to a problem with the ignition coil 'E' primary/secondary circuit. It's essential to diagnose the issue accurately to address the root cause.

9. Will resetting the PCM clear OBDII code P0355 on a 1999 Ford F150?

- Resetting the PCM may temporarily clear the code, but if the underlying issue with the ignition coil 'E' primary/secondary circuit is not resolved, the code is likely to reappear after driving the vehicle.

10. Is it necessary to replace all ignition coils if OBDII code P0355 triggers on a 1999 Ford F150?

- It is not necessary to replace all ignition coils when code P0355 triggers. Focus on diagnosing and replacing the specific faulty ignition coil 'E' to address the issue effectively.

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