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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Loss of power, under heavy accelerating
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<blockquote data-quote="New Nick at JDM" data-source="post: 1396547" data-attributes="member: 33540"><p>A Flashing CEL under load is most often an active misfire.</p><p>Can be sometimes accompanied by p0300 misfire code and p0301-p0306 codes indicating an individual cylinder.</p><p>Start with replacing plugs and gapping down if you have not already.</p><p>Smaller gap helps the spark jump the gap between electrode and ground strap when cylinder pressures are higher.</p><p></p><p>We tell all our customers to run SP-550's and gap to .028" but if all 6 are uniformly gapped at .026" - .030" it's not what we like but you're probably OK. Wider gaps tend to be a bit better for low load situations and starting, where as tighter gaps help at higher loads such as WOT.</p></blockquote><p></p>
[QUOTE="New Nick at JDM, post: 1396547, member: 33540"] A Flashing CEL under load is most often an active misfire. Can be sometimes accompanied by p0300 misfire code and p0301-p0306 codes indicating an individual cylinder. Start with replacing plugs and gapping down if you have not already. Smaller gap helps the spark jump the gap between electrode and ground strap when cylinder pressures are higher. We tell all our customers to run SP-550's and gap to .028" but if all 6 are uniformly gapped at .026" - .030" it's not what we like but you're probably OK. Wider gaps tend to be a bit better for low load situations and starting, where as tighter gaps help at higher loads such as WOT. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Loss of power, under heavy accelerating
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