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DTC 3

Self-diagnosis LED indicator blinks three times:

Most likely an electrical problem in the Manifold Absolute Pressure (MAP) Sensor system.


Fig. 70 PGM-FI Self-diagnosis chart, warning lamp on-LED indicates code 3:




Fig. 70 PGM-FI Self-diagnosis chart, warning lamp on-LED indicates code 3:





The MAP sensor converts manifold absolute pressure into electrical signals and inputs the ECU.

The Check Engine warning light and ECU LED may come on, indicating a system problem, when, in fact, there is a poor or intermittent electrical connection. First, check the electrical connections, clean or repair connections if necessary.