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17k sc 5.0 Roush.. need help

Letty

Active member
First Name
danny
Joined
Oct 31, 2023
Threads
11
Messages
28
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Location
coastal Mississippi
Vehicles
2023 supercharged Roush f150, 2006 350z, 06 Sierra
Occupation
medically retired
went into passing gear, blew whitish smoke. has a burnt break kind of smell...engine town is quieter (I has the active Roush exhaust with res delete) this am it sounded just like a stand when cold started... 17k miles, no tune, no codes,,,, with no codes for misfire can it still be a plug or you think cats.. I was getting on it pretty hard like a normally do
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