Service Engine Soon light
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New User
Joined: Jun 2003
Posts: 2
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Service Engine Soon light
My 99 Expedition just got out of the shop with a clean bill of health and now seams to have a miss and is getting worse.
The Service engine soon light came on 2 days after this problem started. It is the XLT with the 5.4 and 58000 miles. What could be the problem? or Could the dealer when the oil was changed have added too much oil and cause a problem like this??
The Service engine soon light came on 2 days after this problem started. It is the XLT with the 5.4 and 58000 miles. What could be the problem? or Could the dealer when the oil was changed have added too much oil and cause a problem like this??
Logistics Pro
Joined: Oct 2000
Posts: 3,960
Likes: 5
From: All over Texas
Service Engine Soon light
Get someone to hook up an OBDII to the PCM to determine what codes it's throwing. You can take it to nearly any mechanic, Ford, or even Autozone will read codes for free (hoping you'll buy parts from them).
Good Luck.
Good Luck.
