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2015+ S550 Mustangs
2015+ S550 Mustang Talk
2016 Mustang 5.0 Cold Start Issue at Idle
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<blockquote data-quote="Denver_SVT" data-source="post: 16272576" data-attributes="member: 72321"><p>The car is bone stock with catalytic converter deleted. Afrer the custom tune we faced an idle issue at cold start only. The car will go to 1400 RPM once you start it and then it will rev up and down from 800 rpm to 1200 rpm like it has Cams on it. Any idea what will cause this issue to occur? </p><p></p><p>We tried to change the timing values at the maximum allowed spark table cold starts neutral with no affects.</p><p></p><p>Any advice of how to fix this issue will be appreciated. </p><p></p><p>Sent from my HUAWEI matte 20 pro</p></blockquote><p></p>
[QUOTE="Denver_SVT, post: 16272576, member: 72321"] The car is bone stock with catalytic converter deleted. Afrer the custom tune we faced an idle issue at cold start only. The car will go to 1400 RPM once you start it and then it will rev up and down from 800 rpm to 1200 rpm like it has Cams on it. Any idea what will cause this issue to occur? We tried to change the timing values at the maximum allowed spark table cold starts neutral with no affects. Any advice of how to fix this issue will be appreciated. Sent from my HUAWEI matte 20 pro [/QUOTE]
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2016 Mustang 5.0 Cold Start Issue at Idle
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