I have shut off problems with my 2006 Navigator. While driving sometime it just shuts off. It starts back up with no problem but then the service engine light comes on.

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If it is diesel try new fuel filter, it is under vehicle near fuel tank
let me know how it goes

There might be a problem with the alternator, specifically the diode trio that is inside the alternator. Have your charging system checked. You can do it yourself if you have a voltmeter. Start car and check voltage across the battery terminals. You should get 14.5 volts or higher.

Replace the map sensor.

Probably the cruise servo to sensitive to load will need to replace,when you shut off it resets til the next time.

Can't help you

What happened to the shop that did
the work,why can't they resolve

Those issues are from either not changing your
oil enough or failed VVT Cam Actuators,sometimes
the chain guides wear but not on a 2006,too new

Exhaust Converters fail from leaking injector, which
is a know problem on your motor from 2004,05 & 06,
& bad COP Ignition Coils, which causes cylinder misfires
& ruins the converters

All of the issues could have been prevented & all of the
coil are bad by 6 to 7 years & both upstream oxygen
sensors need to be replaced at 100,000 miles

Too bad your not my neighbor,you won't have one problem
The transmission will fail next, from not changing the fluid every
3 years

I happen to know the vehicle & ford/lincoln issues

Exhaust Converters last 14 years & still pass emissions
inspection if your proactive & road test & take a scanner
with you a 2 or three times a year & look at all data parameters
& keep an eye on things

Just to drive any vehicle with todays technology & never look
at data or do preventative maintenance or know what is needed
& stay up to date using the internet every month,your going to
have problems & serious ones at times

a trouble code has been stored into the computer, have a parts store retrive the code, they will tell you, what sensor needs replaced. it happens to a lot of cars





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Its sounds like one of the pieces in your distributor is bad or the distributor itself

all i can recromend as it is a big problem probubly to do with one of the small fidly wires although im not sure where it would be as in modern cars they are all over the place!!!! so i would take it to a garage

crude in the catlic convertor will cause this problem when hitting the bump in the road u are jarring it loose should have exhaust system check out