2003 Ford Expedition what should i check first

2003 FORD EXPEDITION
89,000 MILES • V8 • 4WD • AUTOMATIC
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SLI2323
  • MEMBER
  • 1 POST
both the rear and front end has lower,but didnt hit anything to make it drop
Mar 15, 2010 at 8:31 PM
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there, The air suspension system is very complex, do you have any error message on the message center? can you get a diagnostic scan done? Run this test and if you still have no answer re post and i will see what i can find out.


https://images.2carpros.com/forum/automotive_pictures/61395_ford_test_1.jpg

Mark (mhpautos)
Mar 16, 2010 at 3:51 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.