Computerized Engine Analysis
Dewey's Auto Center, Fenton, Michigan 48430. Phone: (810) 629-2278, Fax:(810) 629-2243 fax. Copyright © 2011 Dewey's Auto Center. Last Updated: 8/24/2011.
Website support by Setup Solutions LLC
Website support by Setup Solutions LLC
Engine Diagnostics
In order to meet Federal Exhaust Emission and Fuel Economy regulations, today's vehicles are equipped with highly sophisticated electronic engine control systems. These systems do not require periodic adjustments. The only services required on a scheduled basis are spark plug and filter replacement. Tune-ups, as we knew them, are no longer necessary.
Engine Control Computer
The computer receives information from a network of sensors and switches that convert engine operating conditions into electrical signals. Based on the information and instructions stored in the computer program, commands are then sent to three primary systems:
In order to meet Federal Exhaust Emission and Fuel Economy regulations, today's vehicles are equipped with highly sophisticated electronic engine control systems. These systems do not require periodic adjustments. The only services required on a scheduled basis are spark plug and filter replacement. Tune-ups, as we knew them, are no longer necessary.
Engine Control Computer
The computer receives information from a network of sensors and switches that convert engine operating conditions into electrical signals. Based on the information and instructions stored in the computer program, commands are then sent to three primary systems:
| ■ | Ignition System |
| ■ | Fuel System |
| ■ | Emission Control System |
The sensors that monitor one or more of these systems include:
| ■ | 1. Mass Airflow Sensor |
| ■ | 2. Throttle Position Sensor |
| ■ | 3. Manifold Absolute Pressure Sensor |
| ■ | 4. Coolant Temperature Sensor |
| ■ | 5. Exhaust Oxygen Sensor |
| ■ | 6. Crankshaft Position Sensor |
| ■ | 7. Camshaft Position Sensor |
Authorized Dealer Since 1974
(810) 629-2278 ph
