Error code P0024 is displayed and the check engine light is on - what does this mean?
The OBD/EOBD system has detected a fault in the camshaft phasing system where the exhaust camshaft of bank 2 is out of position. This DTC P0024 relates to the variable valve timing system and can occur with slight variations in interpretation with various manufacturers.
What causes can this error code have?
- Defective camshaft phaser of the exhaust camshaft bank 2
- Blocked or defective solenoid valve for the camshaft phasing unit
- Contaminated or incorrect engine oil
- Defective camshaft sensor
- Damaged timing chain or timing belt
- Loose or damaged cable connections
- Defective engine control unit (ECU)
- Low oil pressure in the camshaft phasing system
What symptoms occur in parallel with fault code P0024?
- Loss of engine power: Reduced power, especially in the lower speed range
- Unsteady engine running: Engine runs unevenly or jerks
- Increased fuel consumption: Poorer fuel efficiency due to incorrect valve timing
- Starting problems: Difficult starting, especially when the engine is cold
- Knocking noises: Metallic noises from the engine compartment
- Exhaust problems: Increased emission levels or black smoke
How to fix the problem of trouble code P0024?
- Repairing trouble code P0024 requires a systematic approach to identify the exact cause.
- Carry out a complete oil change with manufacturer-specific oil of the correct viscosity and replace the oil filter
- Remove solenoid valve for camshaft phasing unit, clean or replace completely if defective
- Check the camshaft phasing unit of the exhaust camshaft bank 2 for mechanical damage and replace if necessary
- Test camshaft sensor for correct function and replace if necessary
- Check electrical connections and wiring harness to the camshaft phasing system for damage and repair
- Check timing chain or timing belt for correct fit and wear and replace if necessary
- Check the engine control unit for software updates or have it replaced if defective
FAQ - Frequently asked questions about DTC P0024
Can I continue driving with error code P0024?
Short journeys are possible, but fault code P0024 should be rectified as soon as possible, as consequential damage to the engine can occur. Engine performance is reduced and fuel consumption is increased.
How much does it cost to repair fault code P0024?
The costs vary depending on the cause: an oil change costs 50-100 euros, a new solenoid valve 150-300 euros, while a camshaft phaser can cost 400-800 euros. The diagnosis costs 80-120 euros.
How can I delete the P0024 code myself?
The EOBD code can be deleted with an OBD scanner, but will return if the cause has not been rectified. After the repair, a test drive should be carried out to ensure that the error code does not occur again.
Is the error code P0024 manufacturer-specific?
P0024 is a standardized OBD code that can occur with different manufacturers. However, the exact interpretation and affected components may vary slightly depending on the vehicle manufacturer.
What tools do I need to diagnose P0024?
An OBD scanner is essential for reading the fault code. In addition, a multimeter, oscilloscope and manufacturer-specific diagnostic software are required for a comprehensive analysis of the camshaft phasing system.
Can incorrect engine oil cause code P0024?
Yes, incorrect or contaminated oil is a common cause of this DTC. The camshaft phasing system works hydraulically and requires clean oil with the correct viscosity to function properly.
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