OBD-II Codes
P0300 Code: Random Misfire Causes and Repair Cost
P0300 means random or multiple cylinder misfires. Plugs run about $250-$900 and coils $227-$335; injectors and leaks cost more. Causes,…
Rasel Hakkani
P0420 Code: Meaning, Causes and Cost to Fix (2026)
P0420 means your catalytic converter looks inefficient. Fixes run from about $150 for a sensor to $400-$2,500+ for a converter.…
Rasel HakkaniFree calculator
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