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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="StuMac9" data-source="post: 1771497" data-attributes="member: 53006"><p>My engine is misfiring 2011 6.2L 73K Procharger D1SC = Forscan says cylinders 5 and 8. </p><p>Took it to a repair shop and it is not the plugs (they were changed 8k ago) - repair shop says not coils as when swapped the misfire does not move etc.</p><p>So they say I need a new motor ! Since cylinder 5 is the easiest to get too the shop says there is no pressure coming from that cylinder hence need a new motor. I heard these engines were pretty bullet proof but there are some issues.</p><p>It idles rough and I babied it to the repair shop - around 20 miles, it wont go over 4000 revs and is smoothest around 2500 revs. </p><p>Does this sound more like valve springs ? Is it regular that more than one valve spring at a time can break e.g 5 and 8 </p><p>The repair guy says new engine and is reluctant to look into valve springs I think because of the work involved in removing some of the Procharger parts as well. What do you think - please help</p></blockquote><p></p>
[QUOTE="StuMac9, post: 1771497, member: 53006"] My engine is misfiring 2011 6.2L 73K Procharger D1SC = Forscan says cylinders 5 and 8. Took it to a repair shop and it is not the plugs (they were changed 8k ago) - repair shop says not coils as when swapped the misfire does not move etc. So they say I need a new motor ! Since cylinder 5 is the easiest to get too the shop says there is no pressure coming from that cylinder hence need a new motor. I heard these engines were pretty bullet proof but there are some issues. It idles rough and I babied it to the repair shop - around 20 miles, it wont go over 4000 revs and is smoothest around 2500 revs. Does this sound more like valve springs ? Is it regular that more than one valve spring at a time can break e.g 5 and 8 The repair guy says new engine and is reluctant to look into valve springs I think because of the work involved in removing some of the Procharger parts as well. What do you think - please help [/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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