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Exhaust smells

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Old Jan 14, 2023 | 08:36 AM
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Todd Swing's Avatar
Todd Swing
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Trailering
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From: Plymouth
Exhaust smells
I have a 2021 F150 with a 3.5 eco boost and it has developed a stink of rotten egg or natural gas. Can anyone tell tell what is causing this?
 
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