DTC 3

Check Engine Light indicates trouble code 3:

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

DTC 3: Manifold Absolute Pressure (MAP) Sensor (Part 1 Of 3):

DTC 3: Manifold Absolute Pressure (MAP) Sensor (Part 2 Of 3):

DTC 3: Manifold Absolute Pressure (MAP) Sensor (Part 3 Of 3):

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

The Check Engine warning light 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.