New Member Check engine light

jameststinson

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Hello, I'm new to the group. I've got a 2017 F350 6.7L with 5000 miles and this is the second time the check engine light came on. The Ford service checked it and could not find anything wrong. The code was a P0402 excess fuel through the EGR. My Ford sync says it detected a misfire. Ford techs are dumbfounded. Any advice. Thx


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troutwest66

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Welcome! I would first post this down below in the 6.7 engine forum. Get a faster response. Also put your truck description in your signature. Helps those with answers to know what rig you're talking about. Unfortunately I don't have an answer for you. Under warranty the Ford techs should be able to figure it out. Try another dealer??
 

01yellerCobra

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I'd take it to another dealer for a second opinion.

FWIW, within the first couple thousand miles I got a check engine light. I don't remember the code number, but it was an EGR sensor of some sort. Some kind of flow sensor. I'd have to find the paperwork on it.

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jameststinson

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Update on the check engine light. Went under the hood and i found that the 2 screws holding the MAF sending were missing and it was slightly out of place. Scrounged two screws, performance is back and CEL is out. Hummmm....


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clint343

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I'd take it to another dealer for a second opinion.

FWIW, within the first couple thousand miles I got a check engine light. I don't remember the code number, but it was an EGR sensor of some sort. Some kind of flow sensor. I'd have to find the paperwork on it.

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I received the same thing at 15,000 miles.


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