| An electrical device that receives information from sensors and makes decisions based on these inputs along with programmed information, and send out the decisions to actuators. | |
| And a mission control device located in the exhaust system that contains catalyst, which reduces hydrocarbons, carbon monoxide and nitrogen oxide in the exhaust gases. | |
| A distributionless ignition system in which spark distribution is controlled by the computer. | |
| The bearing area of a camshaft. |