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djennis20
Dodge Dakota
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9/12/2005
20:27:39

Subject: 4.7 v8 lean/rich
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my 2k dakota 4.7 v8 is running lean on one side and rich on the other.black smoke out of exhaust and a lean code. black sooty plugs on driver side and white plugs on passenger side. what would cause this?



djennis20
Dodge Dakota
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9/12/2005
20:31:17

RE: 4.7 v8 lean/rich
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dakota has just over 100,000 miles on it.



Bill H.
Dodge Dakota
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9/12/2005
21:52:32

RE: 4.7 v8 lean/rich
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What fault codes are present? What does the scope tell you? It sounds like a computer problem like a sensor giving off bad info to the control module. Just a guess.

Bill H.

My 1944 Willys MB
www.1944willysmb.com




daddio
Dodge Dakota
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9/12/2005
22:09:31

RE: 4.7 v8 lean/rich
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could be the O2 sensors



djennis20
Dodge Dakota
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9/13/2005
05:48:01

RE: 4.7 v8 lean/rich
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AFTER A WEEK OR SO, JUST ABOUT ALL OF THE INJECTORS WILL SHOW UP, BUT 171 SHOWS UP AND 551 ALSO COMES UP. COULD MY POWER STEERING SENSOR BE CAUSING THIS PROBLEM?



JerryM
Dodge Dakota
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9/13/2005
06:01:34

RE: 4.7 v8 lean/rich
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djennis20,

Check out the post "p0171 code will not leave"

I mention in there about a problem that has occurred with the power steering pressure switch/o2 sensor. You might want to check it out.



djennis20
Dodge Dakota
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9/26/2005
18:41:51

RE: 4.7 v8 lean/rich
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THIS PROBLEM SEEMS TO HAVE BEEN SOLVED BY REPLACING THE POWER STEERING SWITCH, CLEANING UP THE WIRES, AND REPLACING THE O2 SENSOR. THANK YOU FOR ALL THE REPLIES.



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