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Engine Diagnosis

Engine flow diagram

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.

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*Check Engine Light or ABS light

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:
bu Mass Airflow Sensor
bu Throttle Position Sensor
bu Manifold Absolute Pressure Sensor

Coolant Temperature Sensor

bu Exhaust Oxygen Sensor
bu Crankshaft Position Sensor
bu Camshaft Position Sensor

Escort Radar Detectors- Drive with the Best Radar Detector

M-F8:00 a.m.6:00 p.m.
Sat8:00 a.m.5:00 p.m.

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