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2001 Dakota 3.9L Cruise Control Issues

Tiny
STEVE MARCHETTI
  • MEMBER
  • 2001 DODGE DAKOTA
My 01 Quad Cab Dakota with 2 wheel drive and Automatic with 143000 miles is having issues with the cruise contol slipping in and out at speeds between 45 through 75 MPH. It does not completely deactivate but it quickly jumps in and out enough to see the tach drop off and speed up. Thought at first it was the torque converter lock up but it doesn't do it unless the cruise is engaged. Transmission has been serviced 4 times and shows no filings or other debris in the pan. Is it possible some of the cable shielding has fallen off degrading the signal, or the speed sensor may be failing? No issues with the speedometer.
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Monday, July 16th, 2007 AT 12:44 PM

3 Replies

Tiny
W-J-A-2
  • MEMBER
  • 14 POSTS
COULD BE A BAD DIAFRAM. BARE WIRE, OR VACUM LEAK?
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Monday, July 16th, 2007 AT 9:57 PM
Tiny
STEVE MARCHETTI
  • MEMBER
  • 3 POSTS
Been trying to find an online drawing of system to trouble shoot. Can you please post the drawing so I can chase down this problem?
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Thursday, July 19th, 2007 AT 5:51 AM
Tiny
STEVE MARCHETTI
  • MEMBER
  • 3 POSTS
Have determined it is not a vacuum leak or bad diaphram. Probably electrical in nature. May be a frayed wire in harness through steering column or something at the tail shaft? Any ideas out there?
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Saturday, August 4th, 2007 AT 7:58 AM

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