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rough
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Need Help.Multiple Fuel injector failure
Tried searching couldn’t find the info I need. Just bought a used 19 big Horn 5.7 with 25xxx miles (my first mopar) had a slightly rough idle since I bought it figured it was normal. Previous truck was a 6.2L GMC Sierra Denali that required premium fuel so I always run 91/93 premium as a habit...- Tophert08
- Thread
- fuel hemi idle injector misfire premium rough
- Replies: 39
- Forum: 5th Gen General Discussion