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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Gen 1 6.2L engine misfire problem
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<blockquote data-quote="Waialua Raptor" data-source="post: 1775266" data-attributes="member: 60327"><p>I have 2011 6.2 with 108,000 mi with misfires in cylinder 5 and 6. The Ford dealer did a complete teardown of the engine after all plugs, coils changed and tune up and still rough idle and misfires. They found no obvious signs of damage or anything broken, but more than usual wear on cylinder 6 intake cam lobe and and roller, and also found rocker arm roller scored. I believe this hapened due to running on low oil, and lack of basic maintenance such as to air filter. Instead of replacing engine, which is easier said than done, I'm trying to repair what was neglected and no doubt led to the current situation.</p></blockquote><p></p>
[QUOTE="Waialua Raptor, post: 1775266, member: 60327"] I have 2011 6.2 with 108,000 mi with misfires in cylinder 5 and 6. The Ford dealer did a complete teardown of the engine after all plugs, coils changed and tune up and still rough idle and misfires. They found no obvious signs of damage or anything broken, but more than usual wear on cylinder 6 intake cam lobe and and roller, and also found rocker arm roller scored. I believe this hapened due to running on low oil, and lack of basic maintenance such as to air filter. Instead of replacing engine, which is easier said than done, I'm trying to repair what was neglected and no doubt led to the current situation. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Gen 1 6.2L engine misfire problem
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