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
P2BA8
NOx Exceedance - Interruption of Reagent Dosing Activity
Auxiliary Emissions Control
High severity
P3418
Cylinder 3 Deactivation/Intake Valve Control Circuit Performance
Fuel and Air Metering
High severity
P3426
Cylinder 4 Deactivation/Intake Valve Control Circuit Performance
Fuel and Air Metering
High severity
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