Possible causes

– Large vacuum leak on the engine
– Faulty Manifold Pressure (MAP) sensor
– Faulty Throttle Position Sensor (TPS)
– Faulty Engine Control Module (ECM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P2074 Description

The Engine Control Module (ECM) has detected a failed signal correlation between the Manifold Pressure (MAP) and Throttle Position Sensor (TPS)

P2074 Information for specific makes

P2074 FORD
P2074 CHRYSLER
P2074 DODGE
P2074 JEEP
P2074 MITSUBISHI
P2074 MAZDA