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21 STX 2.7 check engine light

bito

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Andrew
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F-150 21 Iconic Silver STX
Anyone ever get this error before? Hoping nothing serious As this will be the 3rd time bringing it to the dealer in a 14 months. 7,400 miles on the dash.

Ford F-150 21 STX 2.7 check engine light Screenshot_20220801-213326_FordPass
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Bryan Simon

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Small vacuum leak in the fuel vapor lines.
Not critical.
Have is same fault in my old 98 Chev. Been like that for years.
Finally found the leak by accident, but haven’t fixed it yet.

could be something as simple as some grit stuck on the fuel cap flap.
 

Hilltop

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I just had the check engine light come on in my 22 lariat with 5k miles yesterday as well.
The suggestion is to check the fuel cap, but there is no fuel cap. I pushed the flap open and let it re-seat, but that didn't do anything.
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