Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means that there's a problem with the fuel injector for cylinder 6 in your car's engine. It's like a light switch that's stuck and can't turn off, which can cause the engine to not work right.
The code indicates an electrical fault where the high side of the injector circuit for cylinder 6 is shorted to the coil circuit.
The P3163 code is triggered when the Engine Control Module (ECM) detects a short circuit between the high side of the injector for cylinder 6 and the ignition coil circuit. This can disrupt the proper fuel injection timing and quantity, leading to engine performance issues.
• Engine misfire
• Rough idle
• Reduced fuel efficiency
• Damaged wiring or connectors
• Faulty injector for cylinder 6
• Malfunctioning ECM
Injector: A device that sprays fuel into the engine's cylinders.
ECM: Engine Control Module, the computer that controls engine functions.
• Inspect wiring and connectors for damage or corrosion.
• Test the injector for cylinder 6 for electrical faults.
• Check the ECM for any faults or malfunctions.
• Repair or replace damaged wiring or connectors.
• Replace the faulty injector.
• Reprogram or replace the ECM if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$200 - $600
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular maintenance checks
• Ensure proper electrical connections
• Use quality fuel
Engine Performance
• Avoid driving long distances until repaired.
• Get the vehicle checked by a professional mechanic.
Check with your vehicle manufacturer for specific warranty coverage on engine components.
This code has been associated with injector and wiring issues in various vehicle models over the years.
Moderate – Should be addressed soon to prevent further engine damage.
Driving with this issue may lead to increased emissions and potential safety hazards.
• Engine running
• Electrical system active
The injector for cylinder 6 is located on the engine, typically near the intake manifold.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to poor engine performance and potentially more costly repairs.
Q: Can I drive my car with this code?
A: It's not recommended to drive long distances as it can cause further engine damage.
High-End · Full-system diagnostics
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Network faults often require full-system access instead of a generic code reader alone.
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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.
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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.
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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.