Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Do you have a Service Engine Soon light when the engine is running? Air Bag light or any type of warning light?
Is it a nice clear day when ot acts up? Or does it not work when its raining?
Thank you. Most common for the cruise control to intermittently work or to cut out on you out of the blue is a bad cruise control cancel switch. This switch is down by the brake pedal. This is what detects the brake pedal is depressed to cancel cruise control operation. This switch is about 30 bucks and can be installed in about 20 mins or less. It is a twist lock type of switch. Meaning after you unplug it, you turn it counter clockwise to release it. The to install the new one, you simply press it down so the switch is applied, then twist clockwise to lock.
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How is the clutch on the truck? If it slips just a little bit it can turn off the cruise control.
If you were able to use a scanner you would be able to see if its the cruise control cancel switch or maybe the clutch switch. But they are not that expensive if you wanted to try replacing them. I would start with the cruise control cancel switch though.