lb7 ficm
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FICM Failure??? Code P1658
Hi guys so I was driving my Lb7 to Daytona (it’s about a 2 hour drive from me) to pick up some parts for my work truck. So I was going around 70 on the interstate when my truck had a decrease in speed and the CIL came on. I pulled over and shut it off to see if I could find the issue. It was...- 03LB704.5LLY
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- lb7 diagnostic lb7 ficm lb7 issues lb7 maintenance lb7 troubleshooting
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- Forum: LB7