Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with one of the car's parts that helps make the engine run. It's like a spark plug isn't working right, which can make the car run rough or not start well.
The P2317 code indicates an issue with the secondary circuit of the ignition coil labeled 'F'. This means that the coil is not producing the correct voltage needed to ignite the air/fuel mixture in the engine's cylinder.
The ignition coil is responsible for transforming the battery's low voltage to the thousands of volts needed to create a spark in the spark plugs. The secondary circuit refers to the high voltage side of the ignition coil. A fault in this circuit can prevent the engine from firing correctly.
• Engine misfire
• Rough idling
• Poor fuel economy
• Check Engine Light illuminated
• Faulty ignition coil
• Wiring issues in the ignition coil circuit
• Faulty spark plug
• ECU (Engine Control Unit) malfunction
Ignition Coil: A device that transforms the battery's voltage to a higher voltage needed to ignite the fuel.
ECU: Engine Control Unit, the computer that manages engine functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the ignition coil and its connections for damage.
• Check the spark plug for wear or damage.
• Test the wiring and connectors for continuity.
• Replace the faulty ignition coil.
• Repair or replace damaged wiring or connectors.
• Replace the spark plug if necessary.
• Clear the code and test drive to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Socket set
• Screwdriver
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect ignition coils and spark plugs.
• Perform routine maintenance as per the vehicle's schedule.
• Use high-quality fuel to prevent deposits.
Engine Performance
• Do not ignore the Check Engine Light; get it diagnosed promptly.
• If the car is running rough, avoid driving long distances until repaired.
Check if the ignition system components are covered under the vehicle's powertrain warranty.
P2317 is a relatively common code for vehicles with high mileage or those that have not had regular maintenance on ignition components.
Moderate – It should be addressed soon to prevent further engine damage.
Driving with a misfiring engine can lead to increased emissions and potential damage to the catalytic converter.
• Engine running
• Check under various load conditions
The ignition coil is located on top of the engine, near the spark plugs.
Q: Can I drive with a P2317 code?
A: It's not recommended to drive for long periods with this code as it can cause engine damage.
Q: What happens if I ignore the P2317 code?
A: Ignoring the code can lead to poor engine performance and potential damage to the catalytic converter.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.
Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
View options on Amazon
Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.