P03A6
Cylinder 2 Pressure Variation Low
P03A6 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Pressure Variation Low. Common causes: worn piston rings in cylinder 2, damage or wear to the valves of cylinder 2. Estimated repair cost: $56–333.
Symptoms
- Uneven engine operation
- Power reduction
- Increased fuel consumption
- Engine troubles
Causes
- Worn piston rings in cylinder 2
- Damage or wear to the valves of cylinder 2
- Faulty spark plug in cylinder 2
- Problems with the fuel injector of cylinder 2
- Compression leak in cylinder 2
- Malfunction of the ignition coil (if individual)
How to Fix
- Check compression in cylinder 2
- Inspect the spark plug and replace if necessary
- Check the operation of the fuel injector
- Test the ignition coil
- Perform a cylinder leak test
- If necessary, disassemble the engine to check the condition of the valves and piston group
Related codes
Error P03A6 by Vehicle Brand
FAQ
What does the P03A6 code mean?
P03A6 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Pressure Variation Low
What causes a P03A6 error code?
The most common causes of P03A6 include: Worn piston rings in cylinder 2; Damage or wear to the valves of cylinder 2; Faulty spark plug in cylinder 2; Problems with the fuel injector of cylinder 2.
How do I fix a P03A6 diagnostic trouble code?
To fix P03A6: Check compression in cylinder 2. Inspect the spark plug and replace if necessary. Check the operation of the fuel injector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03A6?
Limited driving only, diagnose soon
How much does it cost to fix P03A6?
The estimated repair cost for P03A6 is $56–333. Actual cost depends on your vehicle, location, and labor rates.
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