Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has noticed that the spark in cylinder 6 is not lasting as long as it should. It's like when a firework doesn't sparkle for as long as expected.
The engine control module (ECM) monitors the spark duration in each cylinder. If the spark duration for cylinder 6 is shorter than expected, it triggers the P1306 code.
P1306 indicates that the ignition system's monitoring of cylinder 6 has detected a spark duration that is shorter than the specified parameters. This can affect the engine's performance and efficiency.
• Engine misfire
• Rough idling
• Reduced fuel efficiency
• Faulty ignition coil
• Worn or fouled spark plug
• Wiring issues in the ignition circuit
Ignition Coil: A component that transforms the battery's voltage to a higher voltage to create a spark in the spark plug.
Spark Plug: A device that ignites the air/fuel mixture in the engine's cylinders.
• Use an OBD-II scanner to confirm the code.
• Inspect the ignition coil and spark plug for cylinder 6.
• Check the wiring and connectors related to the ignition system.
• Replace the ignition coil for cylinder 6.
• Replace the spark plug for cylinder 6.
• Repair or replace damaged wiring or connectors.
• OBD-II scanner
• Multimeter
• Spark plug socket
$100 - $300
Moderate
• Ford F-150
• Toyota Camry
• Honda Accord
• Regularly replace spark plugs as per the maintenance schedule.
• Inspect ignition coils periodically.
• Ensure wiring is in good condition.
Engine Performance
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
• Consult with a professional mechanic for accurate diagnosis and repair.
Check with your vehicle's manufacturer for specific warranty coverage on ignition components.
P1306 has been a common code for ignition-related issues, particularly in vehicles with high mileage.
Moderate – Addressing this issue promptly can prevent further engine damage.
Ignoring this code can lead to increased emissions and potential engine damage.
• Engine running
• Vehicle at operating temperature
The ignition coil and spark plug for cylinder 6 are located on the engine, typically on the side or top, depending on the engine layout.
Q: Can I drive with a P1306 code?
A: It's not recommended to drive with this code as it can lead to engine damage.
Q: How often should spark plugs be replaced?
A: Spark plugs should typically be replaced every 30,000 to 100,000 miles, depending on the type and vehicle specifications.
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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.
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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.