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
Feb 23, 2011 at 1:38 AM
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RASMATAZ
CERTIFIED EXPERT
75,992 POSTS
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.