P1033
Powertrain Codes
P1033 - AUDI - Nitrogen Oxides Sensor Signal Too Low
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Nitrogen oxides (NOx) sensor circuit open or shorted - Nitrogen oxides (NOx) sensor circuit poor electrical connection - Faulty nitrogen oxides (NOx) sensor
Description
Nitrogen oxides (NOx) sensor - signal too low