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 part of the car that sprays fuel into the engine for cylinder number 10 is getting too much electricity.
The Engine Control Module (ECM) has detected a high voltage condition in the injector circuit for cylinder 10, which could indicate a problem with the injector or its wiring.
OBD-II code P0289 is triggered when the ECM detects a voltage that is higher than expected in the injector circuit for cylinder 10. This could be due to a short to voltage, a faulty injector, or issues with the wiring or connectors associated with the injector circuit.
• Engine misfire
• Poor fuel economy
• Check Engine Light illuminated
• Faulty fuel injector
• Short circuit in the injector wiring
• Faulty ECM
ECM: Engine Control Module
Injector: A device that sprays fuel into the engine
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for cylinder 10's injector.
• Test the injector's resistance and voltage.
• Repair or replace damaged wiring or connectors.
• Replace the faulty fuel injector.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Digital multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• Dodge Ram 3500
• Regular maintenance and inspection of fuel system components.
• Use high-quality fuel to prevent injector clogging.
• Keep electrical connections clean and secure.
Engine Performance
• Do not ignore the Check Engine Light.
• Have a professional diagnose the issue if unsure.
• Regularly maintain your vehicle to prevent such issues.
Check with your vehicle manufacturer for warranty coverage on fuel injectors and related components.
This code is relatively common in vehicles with high mileage or those that have not had regular maintenance.
Moderate – While the vehicle may still operate, performance and fuel efficiency will be affected.
Driving with a malfunctioning injector can lead to increased emissions and potential engine damage.
• Engine running
• System voltage within normal range
The fuel injector for cylinder 10 is located on the engine block, typically near the intake manifold.
Q: Can I drive my car with code P0289?
A: While you can drive the car, it's not recommended as it may lead to further engine damage.
Q: How serious is code P0289?
A: It is moderately serious as it affects engine performance and fuel efficiency.
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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.