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Q:

2007 navigator with 160000 miles exhibit engine issues, it will move at 55miles on 2007 Lincoln Navigator

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
but will shake and lose power at rest or light
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(1) Comments
Vacuum leak, low compression on one or more cylinders or misfire. Light on?
yes enhgine light is on , its been seen by three mechanics for $480.00 and all of them is pointing to a engine