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JoeDirt
Dodge Dakota
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9/30/2005
15:03:52

Subject: P1391 code Idling Rough
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I have a 1999 Dodge Dakota V-6 with 135,000 almost trouble free miles.

For the last couple mornings when I start it up it starts just fine but I go down the road and she wants to spit and sputter. I shut it off and it was still doing this. I let it set for a minute and it was running fine but the "Check Engine" light was on. I had the code run and I am getting the P1391 CPS Code.

I have done a search on the board and it seems every one else who has had this code on their Dakota is running fine. So now I am stumped.

Any help would be greatly appriciated.

Thanks



DT
Dodge Dakota
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10/01/2005
18:03:58

RE: P1391 code Idling Rough
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I ran some sea foam through my fuel system and the rough idle has virtually stopped. My check engine light came on for a while and went out a couple of days later.



?
Dodge Dakota
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10/03/2005
11:27:38

RE: P1391 code Idling Rough
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P1391
Camshaft Or Crankshaft Position Sensor Intermittent Loss
from
http://www.troublecodes.net/chrysler/99-01trk.shtml
Possible " dirty " or poor connection to sensor
on bell housing - below distributor and just behind - or connections to computer ! ?



JoeDirt
Dodge Dakota
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10/13/2005
15:00:18

RE: P1391 code Idling Rough
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It was the Crankshaft Positioning Sensor. I replace the Cam Sensor first and it didn't fix it so then I replaced the Crank Sensor and it is running fine again.

She is now up for sale.



GERRY
Dodge Dakota
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11/03/2011
20:25:46

RE: P1391 code Idling Rough
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WHERE ARE THE SENSOR CAMSHAFT ON A DODGE DAKOTA 1999 6 CYL



daddio
Dodge Dakota
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11/03/2011
20:42:18

RE: P1391 code Idling Rough
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Under the distributor cap.



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