P1073 Possible Causes
- Faulty mass air flow sensor
- Mass air flow sensor harness is open or shorted
- Poor electrical connection in mass air flow sensor circuit
How to Fix Code P1073?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P1073 Meaning
The mass air flow sensor 2 signal is too small is the generic description for code P1073, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have additional information about OBDII code P1073.