1994 Cadillac Concours Repair Question
Topics covered: Fuel pressure, Sensor, Black smoke.
Mileage: 160,000 miles.
Mileage: 160,000 miles.
Asked on February 23, 2011
He/she drowns a lot of black smoke
My cadillac 1994 is installed or motor of 1996 norstart and flaw the gasoline drowns and be he black smoke and he/she goes out
Asked by carlos moraAnswer
Replied on February 23, 2011
Probable causes of an engine running rich are as follows:
1.Excessive fuel pressure can be cause by restricted fuel return line
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
