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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Engine raising rpm when door opens
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<blockquote data-quote="Kenny008" data-source="post: 1218124" data-attributes="member: 21327"><p>I haven’t heard definitely, but the thought is that the RPM increase is not a problem, and is in fact a feature. </p><p>I can’t find it now, but one of the thoughts is that this might have been purposely included to assist the alternator. The thought was that the secure idle was originally for emergency vehicles, where the driver frequently leaves the vehicle and leaves it running. Since these vehicles often have additional after-market emergency equipment (radios, lights, etc.) the idle was purposely bumped up. Take this explanation as you wish. </p><p></p><p>Anyway, I guess if it really bugs you that much, go have it checked out and let us know. I’m pretty confident it’s not only not a big deal, but it’s a purposely-programmed feature. Personally, it’s as concerning to me as the color of the back of my floor mats.</p></blockquote><p></p>
[QUOTE="Kenny008, post: 1218124, member: 21327"] I haven’t heard definitely, but the thought is that the RPM increase is not a problem, and is in fact a feature. I can’t find it now, but one of the thoughts is that this might have been purposely included to assist the alternator. The thought was that the secure idle was originally for emergency vehicles, where the driver frequently leaves the vehicle and leaves it running. Since these vehicles often have additional after-market emergency equipment (radios, lights, etc.) the idle was purposely bumped up. Take this explanation as you wish. Anyway, I guess if it really bugs you that much, go have it checked out and let us know. I’m pretty confident it’s not only not a big deal, but it’s a purposely-programmed feature. Personally, it’s as concerning to me as the color of the back of my floor mats. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Engine raising rpm when door opens
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