Help! Quick plz clutch issues
ok i checked the codes manually and i came back with code 12 but thts bc i took the battery out to change the clutch and i also got code 32 witch is egr system failure i went and looked at the engine and found tht the erg sensor was not there at all and nver had been since i bought the car so thts were my misterious extra plug goes and the 3 extra vacum lines but my Question is if the sensor was never there b4 how come my cel light never came on b4 i changed the clutch and y is it on now and wont go off



