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 detected a problem with the ninth cylinder in the engine. It's not firing properly, and the car has stopped sending fuel to it to prevent damage.
The engine control module (ECM) has detected a misfire in cylinder number 9 and has cut off fuel supply to that cylinder to prevent further issues.
The P1359 code indicates that the ECM has detected a misfire in cylinder 9. A misfire occurs when the air-fuel mixture in the cylinder does not ignite properly. To protect the engine, the ECM cuts off fuel to the affected cylinder, which can lead to rough engine performance and increased emissions.
• Check Engine Light is on
• Rough engine idle
• Reduced engine power
• Poor fuel economy
• Engine stalling
• Faulty spark plug in cylinder 9
• Defective ignition coil for cylinder 9
• Fuel injector issue in cylinder 9
• Vacuum leak near cylinder 9
• Mechanical engine problems (e.g., compression issues)
ECM: Engine Control Module, the computer that controls engine functions.
Misfire: A failure of the air-fuel mixture to ignite properly in the engine cylinder.
• Use an OBD-II scanner to confirm the code.
• Inspect the spark plug and ignition coil for cylinder 9.
• Check the fuel injector for cylinder 9.
• Perform a compression test on cylinder 9.
• Inspect for vacuum leaks around cylinder 9.
• Replace the spark plug in cylinder 9.
• Replace or repair the ignition coil for cylinder 9.
• Clean or replace the fuel injector for cylinder 9.
• Fix any vacuum leaks near cylinder 9.
• Address any mechanical issues found during the compression test.
• OBD-II scanner
• Spark plug socket
• Multimeter
• Compression tester
• Vacuum leak detector
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram
• Regularly replace spark plugs and ignition coils.
• Perform routine engine maintenance.
• Use high-quality fuel.
Engine Performance
• Avoid driving the vehicle until repairs are made to prevent further damage.
• Consult with a professional mechanic for accurate diagnosis and repair.
Check with your vehicle manufacturer or extended warranty provider to see if misfire issues are covered under warranty.
Misfire codes like P1359 have been common in vehicles with high mileage or poor maintenance history.
High – Misfires can lead to engine damage if not addressed promptly.
Driving with a misfire can lead to increased emissions and may not comply with local emissions regulations.
• Engine at operating temperature
• Vehicle in park or neutral
Cylinder 9 is located in the engine block, typically on the driver's side in a V8 engine configuration.
Q: Can I drive my car with a P1359 code?
A: It's not recommended to drive with this code, as it can cause further engine damage.
Q: How do I know which cylinder is number 9?
A: Refer to your vehicle's service manual for the cylinder numbering layout.
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.