Fault codes › P0084
P0084
Exhaust Valve Control Solenoid Circuit Bank 2
Generic code
Fuel and Air Metering
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0084?
See which problems come with P0084, 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
See P0084 on OBD DashX
No sign-up needed · available in 10 languages
iWhat P0084 means
- The fault code P0084 indicates a low voltage condition in the exhaust valve control solenoid circuit for bank 2. This suggests a problem with the solenoid or its associated wiring, leading to insufficient control of the exhaust valves.
!Possible symptoms
- Illumination of the Malfunction Indicator Lamp (MIL) or Check Engine Light (CEL)
- Decreased engine performance or power
- Rough idling or stalling
- Poor fuel efficiency
- Possible misfires or hesitation during acceleration
?Possible causes
- Faulty exhaust valve control solenoid
- Wiring or connector issues in the solenoid circuit
- Open circuit or high resistance in the solenoid circuit
- Malfunctioning engine control module (ECM)
⚙Related parts
- Exhaust Valve: The exhaust gases after combustion are sent out of the engine through the exhaust valve. Problems lead to harmful emissions out of limit
✓Possible solutions
- Inspect the exhaust valve control solenoid and its wiring for any visible damage or loose connections
- Measure the solenoid's resistance to ensure it falls within the specified range
- Check for signs of corrosion or moisture in the solenoid or its connector
- Replace the exhaust valve control solenoid if it is found to be faulty
- If necessary, diagnose the ECM for any potential faults and replace if required