OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P0026
Intake Valve Control Solenoid Circuit Range/Performance Bank 1
Generic
Fuel and Air Metering
High severity
P0027
Exhaust Valve Control solenoid Circuit Range/Performance Bank 1
Generic
Fuel and Air Metering
High severity
P0028
Intake valve Control Solenoid Circuit Range/Performance Bank 2
Generic
Fuel and Air Metering
High severity
P0029
Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2
Generic
Fuel and Air Metering
High severity
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