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goforit 03-02-2013 11:18 AM

Cruise Control loses speed
2000 Laredo 4.7 v8 when cruise is engaged it loses speed then seems to disengage. any solutions?

Frango100 03-02-2013 06:45 PM

Re: Cruise Control loses speed
The cruise control uses vacuum and a vacuum operated servo actuator.i would start checking the vacuum line going from the engine inlet to the actuator which is hidden under the battery tray.

furbucket 03-02-2015 09:51 PM

Re: Cruise Control loses speed
I see this thread is fairly old but i thought i would put my experience in for posterity:

Battery leaked and ate through vacuum line under battery tray. Replaced but still had cruise control issues. Popped switch plates off of steering wheel and cleaned contacts with DeOxit. Then replaced brake pedal switch (cheap part from auto zone) and all was fixed.

Apparently that brake pedal switch is often the cause...

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