P1121 MAZDA Possible Causes
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Poor electrical connection in throttle position sensor circuit
How to Fix P1121 MAZDA Code?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P1121 MAZDA Meaning
Throttle position sensor incompatible with mass air flow sensor is the generic description for Mazda P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have additional information about Mazda P1121 OBDII code.