P2074 – Manifold Absolute Pressure / Mass Air Flow – Throttle Position Correlation at Higher Load
P2074 Possible Causes
- Large vacuum leak in the engine
- Faulty Manifold Absolute Pressure (MAP) sensor
- Faulty Throttle Position Sensor (TPS)
- Faulty Engine Control Module (ECM)
What Does It Mean?
How to Fix Code P2074
Check the “possible causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P2074 Symptoms
Possible
Engine light on (or service engine soon warning light)
P2074 Meaning
The Engine Control Module (ECM) detected a faulty signal correlation between the Manifold Absolute Pressure (MAP) and the Throttle Position Sensor (TPS)