P2337

Symptoms

• Engine knocking or ringing
• Reduced engine power
• Increased fuel consumption
• Check Engine light comes on
• Unstable engine idling

Causes

• Using low octane fuel
• Knock sensor malfunction
• Problems with the ignition system (plugs, coils)
• Engine overheating
• Mechanical engine problems (piston wear, bearings)

How to Fix

1. Check and, if necessary, replace the fuel with the one recommended by the manufacturer.
2. Check the condition of the knock sensor and its connection
3. Check the ignition system (spark plugs, coils)
4. Check the engine cooling system
5. Conduct engine diagnostics for mechanical damage

Related codes

Error P2337 by Vehicle Brand