| Acronym |
Definition |
Notes / What Is / Who Is |
| C |
Celsius |
Unit of measurement |
| CAC |
charged air cooler |
Designed to cool air to improve air density allowing more
air mass to flow to the engine. Used with turbochargers and superchargers. |
| CAFE |
corporate average fuel economy |
United States government regulations intended to improve the
average fuel economy of cars and light
trucks, vans and suv / sport utility vehicles sold in the US. Brought on by
the 1973 Arab Oil Embargo. |
| CALPAK |
calibration pack |
Used with a ECM |
| CARB |
California Air Resources Board |
Attains and maintains healthy air quality. Conducts research
into the causes of and solutions to air pollution. Systematically attacks
the serious problems caused by motor vehicles, which are a major cause of
air pollution in the State. |
| CART |
Championship Auto Racing Teams |
Open wheel racing. |
| CAS |
crank angle sensor |
Used in timing an engine. |
| CC |
catalytic converter |
Inline of an engines exhaust system and is used to reduce
emissions. |
| CC |
cubic centimeters |
Unit of measurement |
| CCC |
Car Care Council |
Building awareness and knowledge to prepare consumers to
make sensible decisions about their vehicles. |
| CCOT |
clutch cycling orifice tube |
Pressurized liquid passes through the tube, the pressure is
reduced and the temperature drops. |
| CCV |
canister control valve |
Controls venting of gas tank vapor from the charcoal
canister |
| CESS |
cold engine sensor switch |
Controls spark timing or cold start fuel mixture. |
| CFC |
Chlorofluorocarbons |
Used in refrigerants / Freon, and solvents. |
| CFI |
central fuel injection |
Injects fuel from a throttle body, the same location where a
carburetor would be mounted on a intake manifold. The induction mixture
passes through the intake runners like a carburetor system. |
| cfm |
cubic feet per minute |
Unit of measurement |
| CID |
cubic inch displacement |
Unit of measurement |
| CKP |
crankshaft position sensor |
Used in timing an engine. |
| CL |
closed loop |
A closed circuit (exhaust emissions) |
| CMP |
camshaft position sensor |
Used in timing an engine. |
| CO |
carbon monoxide |
Exhaust of internal combustion engines. |
| CO2 |
carbon dioxide |
Used to produce carbonated soft drinks and soda water. |
| CPP |
clutch pedal position |
Switch that completes a circuit to the starter motor when
the clutch pedal is pushed in. |
| CPU |
central processing unit |
Carries out the instructions of a computer program. |
| CTP |
closed throttle position |
Indicates that the throttle is completely closed. |
| CTVS |
choke thermal vacuum switch |
Controls choke pull offs / air-fuel mixture. |
| CVMA |
Canadian Vehicle Manufactures Association |
CVMA aims at making available information, research,
industry-government advocacy and other services which will help in building
a stronger and healthy automotive industry of Canada. |
