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 computer in your car is having trouble controlling the timing of fuel injectors on one side of the engine.
The Engine Control Module (ECM) is detecting a timing error in the high-pressure fuel injectors on Bank 2 of the engine.
P31E5 H2 indicates that the ECM has identified a discrepancy in the timing sequence for the high-pressure fuel injectors on Bank 2. This can affect the engine's performance and efficiency.
• Check Engine Light is on
• Poor engine performance
• Increased fuel consumption
• Faulty high-pressure fuel injector
• Wiring issues in the injector circuit
• ECM malfunction
ECM: Engine Control Module
Injector: A device that delivers fuel into the engine's combustion chamber
• Use an OBD-II scanner to confirm the code
• Inspect the wiring and connectors for damage
• Test the high-pressure fuel injectors on Bank 2
• Replace faulty fuel injectors
• Repair or replace damaged wiring
• Reprogram or replace the ECM if necessary
• OBD-II scanner
• Multimeter
• Fuel injector tester
$200 - $1000
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance of fuel injectors
• Ensure proper electrical connections
• Use quality fuel to prevent injector clogging
Engine Performance
• Do not ignore the Check Engine Light
• Seek professional diagnosis if unsure
• Monitor fuel consumption for changes
Check with your vehicle manufacturer for specific warranty coverage related to engine components.
This code has been associated with injector timing issues in modern direct-injection engines.
Moderate – Addressing this issue can prevent further engine performance problems.
Driving with a malfunctioning injector can lead to increased emissions and potential engine damage.
• Engine at operating temperature
• Vehicle in idle or under load
Bank 2 refers to the side of the engine opposite to Bank 1, typically on V-type engines.
Q: What is Bank 2?
A: Bank 2 is the side of the engine opposite to Bank 1, usually on V-type engines.
Q: Can I drive with this code?
A: It's not recommended to drive for long periods with this code as it can lead to further engine issues.
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