P1121 HONDA CIVIC Possible Causes
- Faulty throttle position sensor
- Throttle position sensor circuit open or shorted
- Poor electrical connection in throttle position sensor circuit
How to Fix P1121 HONDA CIVIC 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 on (or service engine soon warning light)
P1121 HONDA CIVIC Meaning
Throttle position lower than expected is the generic description for Honda Civic P1121 code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have additional information about Honda Civic P1121 OBDII code.