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2001 Dodge Dakota poor gas mileage and exhaust fumes in CAB

Tiny
TRUHNKE
  • MEMBER
  • 2001 DODGE DAKOTA
  • V8
  • 2WD
  • AUTOMATIC
  • 112,000 MILES
As stated above these are just two of the symtoms
i have replaced many sensors and do not seem to have a vacuum leak. Exhaust smell is really strong when heat is on. Also have p0171 and p0174 lean on bank one and bank two. What could be causing all of this. I am only getting 8.5 mpg.
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Tuesday, November 2nd, 2010 AT 10:33 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi truhnke, Welcome to 2carpros and TY for the donation

P0171/P0174 Lean conditions could be caused by one of the following

1. Vacuum leaks
2. EGR and PCV valve.
3. Low fuel pressure.
4. Dirty fuel injectors.
5. Mass Air Flow Sensor.
6. Oxygen Sensor.
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Tuesday, November 2nd, 2010 AT 12:30 PM

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