P0355 1997 Ford F150 Code - Ignition Coil 'E' Primary/Secondary Circuit
Quick Answer
The P0355 diagnostic trouble code (DTC) for a 1997 Ford F150 refers to an issue with the Ignition Coil 'E' Primary/Secondary Circuit. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Defective spark plug in cylinder 'E'. 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 1997 Ford F150 indicates Ignition Coil 'E' Primary/Secondary Circuit .
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Defective spark plug in cylinder 'E'.
- 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 P0355 1997 Ford F150 Description
The P0355 diagnostic trouble code (DTC) for a 1997 Ford F150 refers to an issue with the Ignition Coil 'E' Primary/Secondary Circuit. This code indicates a problem with the electrical circuit that controls the ignition coil for cylinder 'E' in the engine. The ignition coil is a crucial component in the ignition system that converts 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 cylinders.
Common Causes of P0355 1997 Ford F150
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Defective spark plug in cylinder 'E'
- Issues with the engine control module (ECM)
- Environmental factors such as moisture or corrosion affecting the ignition system
Symptoms of P0355 1997 Ford F150
- Engine misfires
- Rough idling or stalling
- Decreased fuel efficiency
- Illuminated check engine light
- Loss of power or acceleration
How to Fix P0355 1997 Ford F150
- Use a scan tool to confirm the P0355 code and identify the specific cylinder 'E' ignition coil.
- Inspect the wiring and connectors in the ignition coil circuit for any damage or corrosion.
- Test the ignition coil for proper resistance and continuity using a multimeter.
- Replace the faulty ignition coil if necessary, ensuring proper installation and connection.
- Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0355 1997 Ford F150
The typical repair costs for addressing the P0355 code on a 1997 Ford F150 can range from $100 to $300, depending on the specific components that need to be replaced. This estimate includes the cost of a new ignition coil, potential spark plug replacement, and labor charges. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. For a more accurate estimate, it is recommended to consult with local auto repair shops.
Tech Notes for P0355 1997 Ford F150
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Frequently Asked Questions about P0355 1997 Ford F150 Code
1. What does the OBDII code P0355 mean on a 1997 Ford F150?
P0355 indicates a malfunction in the Ignition Coil 'E' Primary/Secondary Circuit, which means the PCM has detected an issue with the ignition coil or its circuit responsible for cylinder 5.
2. What are the symptoms of code P0355 on a 1997 Ford F150?
Common symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and the Check Engine Light being illuminated.
3. What causes the P0355 code to appear?
The most common causes are a faulty ignition coil, damaged wiring or connectors in the coil circuit, a bad spark plug, or a malfunctioning Powertrain Control Module (PCM).
4. How do I diagnose the P0355 code on my 1997 Ford F150?
Check the ignition coil for cylinder 5 for damage, test the wiring and connectors for continuity, inspect the spark plug, and use a multimeter to verify proper voltage to the coil.
5. Can a bad spark plug cause the P0355 code?
Yes, a bad or worn spark plug can cause the ignition coil to malfunction, triggering the P0355 code.
6. How do I fix the P0355 code on a 1997 Ford F150?
Repairs may include replacing the ignition coil for cylinder 5, repairing or replacing damaged wiring or connectors, replacing the spark plug, or—in rare cases—replacing the PCM.
7. Is it safe to drive with the P0355 code?
Driving with this code can lead to engine performance issues and potentially cause further damage to the catalytic converter, so it's best to address it promptly.
8. How much does it cost to fix the P0355 code on a 1997 Ford F150?
Repair costs can range from $50 to $200 for parts like an ignition coil or spark plug, but labor costs will depend on the mechanic's rates and the extent of the issue.
9. Can a P0355 code cause long-term damage if not fixed?
Yes, prolonged driving with a misfire can damage the catalytic converter, lead to poor engine performance, and increase emissions.
10. What tools are needed to troubleshoot the P0355 code?
You’ll need an OBDII scanner, a multimeter, and basic hand tools to inspect and test the ignition coil, wiring, and spark plug.
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