PGM-Fl Control System

Troubleshooting Flowchart - MAP Sensor

Self-diagnosis Check Engine light indicates code 3: An electrical problem in the Manifold Absolute Pressure (MAP) Sensor system.
Self-diagnosis Check Engine light indicates code 45: Most likely a problem in the Fuel Metering System. Pressure (MAP) Sensor system.
The MAP sensor converts manifold absolute pressure into electrical signals and inputs the ECU.