P0284
Cylinder 8 Contribution/Balance
P0284 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Contribution/Balance. Common causes: cylinder 8 injector malfunction, piston group wear. Estimated repair cost: $56–278.
Symptoms
- Power Loss
- Unstable idle
- Dips during acceleration
- Increased fuel consumption
Causes
- Cylinder 8 injector malfunction
- Piston group wear
- Compression problems
- Ignition coil malfunction
- Vacuum leak
- Fuel system contamination
How to Fix
- Check the condition of the injector of cylinder 8
- Measure the compression in the cylinder
- Check the ignition coil and spark plugs
- Diagnose the fuel supply system
- Check the tightness of the intake tract
Related codes
Error P0284 by Vehicle Brand
FAQ
What does the P0284 code mean?
P0284 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Contribution/Balance
What causes a P0284 error code?
The most common causes of P0284 include: Cylinder 8 injector malfunction; Piston group wear; Compression problems; Ignition coil malfunction.
How do I fix a P0284 diagnostic trouble code?
To fix P0284: Check the condition of the injector of cylinder 8. Measure the compression in the cylinder. Check the ignition coil and spark plugs. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0284?
Limited driving only, diagnose soon
How much does it cost to fix P0284?
The estimated repair cost for P0284 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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