P1033 Nitrogen Oxides Sensor Signal Too Low
Possible causes
– Faulty nitrogen oxides (NOx) sensor
– Nitrogen oxides (NOx) sensor harness is open or shorted
– Nitrogen oxides (NOx) sensor circuit poor electrical connection
– Nitrogen oxides (NOx) sensor harness is open or shorted
– Nitrogen oxides (NOx) sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1033 Description
Nitrogen oxides (NOx) sensor – signal too low