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I need to know what to do next

Tiny
CRUISE816
  • MEMBER
  • 2002 DODGE CARAVAN
  • 180,000 MILES
I have a 2002 dodge grand caravan sprot flex fuel and it kicked out a p0171 code. It started to run like hell. Bogged down and sputtering. If I rev the engine it lets out a cloud of black soot./ Not smoke but soot. And there is fuel in it. The soot is wet. I changed the MAP sensor and checked for vacuum leaks. No dice. Im wondering what your next stepo would be.
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Friday, August 24th, 2012 AT 12:35 AM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
That is a lean code that you have to determine the cause of. Check the fuel pressure and for any vacuum leaks first. A MAP sensor is a possibility but not real likely.
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Friday, August 24th, 2012 AT 12:49 AM
Tiny
CRUISE816
  • MEMBER
  • 7 POSTS
Yea I checked for vac leaks and found none. I dont havea fuel pressure tester but ill have to get one. Thanks
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Friday, August 24th, 2012 AT 1:01 AM

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