black smoking with carbon

2001 TOYOTA CAMRY
77,000 MILES • 4 CYL • FWD • AUTOMATIC
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ALABYADH
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  • 1 POST
black smoking blowing from the exhaust with carbon around , irregularity in engine performance and sound , fuel inefficiency.
how can i repair it myself ?
Feb 18, 2011 at 7:27 PM
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RASMATAZ
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  • 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.
Feb 18, 2011 at 8:13 PM
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MMPRINCE4000
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  • 8,548 POSTS
Do you have a check engine light? If so have them read at most autoparts stores and post in this thread.
Feb 19, 2011 at 2:22 PM
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