Mechanics

HE/SHE DROWNS A LOT OF BLACK SMOKE

1994 Cadillac Concours • V8 FWD Automatic • 160,000 miles

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
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Carlos mora
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.

Rasmataz
Feb 23, 2011.


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