P0284
Cylinder 8 Contribution/Balance Fault
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0284?
See which problems come with P0284, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0284 means
- The fault code P0284 indicates that there is a problem with the balance of fuel being delivered to cylinder 8. This could cause the engine to run poorly and affect its performance.
Possible symptoms
- Decreased engine performance
- Rough idle or stalling
- Reduced acceleration
- Illuminated check engine light
Possible causes
- Fuel injector malfunction
- Faulty electrical connections to the injector
- Clogged or dirty fuel injector
- Engine mechanical problems
- Faulty engine control module (ECM)
Related parts
- Fuel Injector:
Possible solutions
- Replace the faulty fuel injector
- Check and repair any damaged wiring or connections
- Clean or replace a clogged or dirty fuel injector
- Check and repair any engine mechanical problems
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0284 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0284 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.