See also:

Engine compartment, overview
The appearance of the engine compartment may vary depending on engine model. 1 Coolant expansion tank 2 Power steering fluid reservoir 3 Engine oil dipstick 4 Radiator 5 Filler cap for engine ...

Emission inspection readiness
What is an Onboard Diagnostic System (OBD II)? OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission control ...

Three-way catalytic converter
Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical, fuel or distributor ignition systems, may cause unusually high threeway catalytic converte ...