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 engine's computer thinks that cylinder number 10 isn't working as well as it should. It's like when one of your friends isn't pulling their weight in a group project.
The engine control module (ECM) monitors the power output from each cylinder. If it detects that cylinder 10 is not contributing as much power as expected, it triggers this code.
P0290 is set when the ECM detects an imbalance in the power contribution from cylinder 10 compared to other cylinders. This could be due to issues such as fuel delivery problems, ignition faults, or mechanical issues within the cylinder.
• Engine misfire
• Rough idling
• Reduced engine performance
• Faulty fuel injector
• Ignition system issues (e.g., spark plug or coil problems)
• Compression problems in cylinder 10
ECM: Engine Control Module
Misfire: Failure of the engine cylinder to ignite the air/fuel mixture
• Perform a visual inspection of the ignition system and fuel injector for cylinder 10.
• Conduct a compression test on cylinder 10.
• Use a scan tool to check for related codes and live data.
• Replace or clean the fuel injector for cylinder 10.
• Replace faulty spark plug or ignition coil.
• Repair any mechanical issues causing low compression.
• OBD-II scan tool
• Compression tester
• Multimeter
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• Dodge Ram 2500
• Regular maintenance of ignition components
• Use quality fuel
• Perform periodic engine checks
Engine Performance
• Avoid driving the vehicle if it feels unsafe.
• Consult a professional mechanic if unsure about repairs.
Check vehicle warranty for coverage on engine components.
Cylinder contribution codes have been used since OBD-II was implemented to help diagnose misfires and performance issues.
Moderate – While the vehicle may still be drivable, performance and fuel efficiency may be compromised.
Ignoring this issue could lead to further engine damage or reduced vehicle safety.
• Engine at operating temperature
• Vehicle running under load
Cylinder 10 is located on the engine block, typically towards the back on V-type engines.
Q: Can I drive with a P0290 code?
A: It's possible, but not recommended as it can lead to further engine damage.
Q: How do I know if my vehicle has a cylinder 10?
A: Check your vehicle's engine configuration; V10 engines typically have 10 cylinders.
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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.