2006 Suzuki Reno constant misfires, black smoke running roung either no power of bursts of power
Saturday, July 2nd, 2011 AT 12:07 AM
Probable causes of an engine running too 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.