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What does the light mean? | Code break downs | When further testing may be required


P0400 to P0499 refer to the Emission Control Systems. Again, just because the code points to a particular sensor or component simply means it triggered the check engine light to illuminate, but does not mean it is the cause of the problem.


P0400 - P0408
Exhaust Gas Recirculation Valve
P0420 - P0434
Catalytic Converter

P0440 - P0456

P0465 - P0469

Evaporative Emissions
P0460 - P0464
Fuel Level Sensor
P0480 - P0485
Cooling Fan