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2011-2014 Mustangs
2011-2014 Mustang Talk
2014 GT vacuum leak misfires
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<blockquote data-quote="realmatrix" data-source="post: 16285965" data-attributes="member: 182620"><p>Roush phase 3, auto, 600rwp. installed catch can on passenger, but ****ed up and one of the barbs was loose. went drag racing was running super rich. I believe because the air leak made the computer dump fuel. I fixed the vacuum leak but now misfires at part throttle (p0300) and made loud fluttering noise. since then has been running like shit. changed plugs, but they looked ok.</p><p></p><p>I did make 3 runs WOT at the drag strip while dumping fuel (black smoke and low power). Can the misfires cause a problem that persists after fixing the vacuum leak? id I melt my cats?</p><p></p><p>Help please, oh yeah I alreay did crank relearn and it didn;t help thankyou</p></blockquote><p></p>
[QUOTE="realmatrix, post: 16285965, member: 182620"] Roush phase 3, auto, 600rwp. installed catch can on passenger, but ****ed up and one of the barbs was loose. went drag racing was running super rich. I believe because the air leak made the computer dump fuel. I fixed the vacuum leak but now misfires at part throttle (p0300) and made loud fluttering noise. since then has been running like shit. changed plugs, but they looked ok. I did make 3 runs WOT at the drag strip while dumping fuel (black smoke and low power). Can the misfires cause a problem that persists after fixing the vacuum leak? id I melt my cats? Help please, oh yeah I alreay did crank relearn and it didn;t help thankyou [/QUOTE]
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2014 GT vacuum leak misfires
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