The car has a slight black smoke from the exhuast pipe what could be the cause.
1999 TOYOTA TAZZ
160,000 MILES
THANDO
MEMBER
1 POST
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This is a 1300 tazz 1999 model and has just been change a new cluctch kit
Sep 2, 2011 at 8:09 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.