smoke-black & white

1995 FORD LASER
305,000 MILES
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STORN
  • MEMBER
  • 2 POSTS
problem with mass air flow sensor,changed it.after sent for service,they change valve,after that i have problem with timing & black smoke.now they already 'clean up' my engine head.now lot of white smoke & timing crazy
Apr 5, 2012 at 8:33 AM
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RASMATAZ
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  • 75,992 POSTS
Are you overheating?
Apr 5, 2012 at 9:00 AM
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STORN
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  • 2 POSTS
no,no problem with temperature
Apr 6, 2012 at 1:24 AM
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RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Black smoke indicates the fuel mixture is too rich-could be caused by one of the following below:

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.
Apr 6, 2012 at 7:06 PM