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Tiny
GRIFFIN8238
  • MEMBER
  • 1996 DODGE DAKOTA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 142,000 MILES
My 1996 dodge dakota runs lean the obd is pulling up o2 sensor it is blowing out black smoke really bad someone that knows something please help
Monday, May 16th, 2011 AT 11:44 PM

5 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
If black smoke is coming out your likely running RICH. Check your fuel pressure regulator for gas in the vacuum line which means it's leaking and causing rich mixture.
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Tuesday, May 17th, 2011 AT 12:14 AM
Tiny
GRIFFIN8238
  • MEMBER
  • 6 POSTS
I have already done that I replaced it and when throw the hole motor I replaced all the sensor besides the O2 SENSOR the code is po171 it is saying it is running lean I have toke the truck to 5 mech so and it still runs the same
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Tuesday, May 17th, 2011 AT 1:40 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What does when throw the hole motor mean?
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Tuesday, May 17th, 2011 AT 3:59 AM
Tiny
GRIFFIN8238
  • MEMBER
  • 6 POSTS
I checked out all the vacuum lines in the passed
if u can't tell me what it is don't wast my time cause u r telling me the same thing as the other mech still running the same
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Tuesday, May 17th, 2011 AT 3:05 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Went thru the whole motor and replaced sensors. I see now. Maybe the computer is fried?
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Wednesday, May 18th, 2011 AT 2:03 AM

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