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Q:

CHECK ENGINE SOON on 2004 Ford F-150 Heritage

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I drove my truck to Missouri and had now problems. It just went over 26,000 miles and now the check engine light soon has been activated.
(1) Answer
http://repairpal.com/check-engine-light read this, it will shed some light, then have your truck diagnosed.