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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="COBB Tuning" data-source="post: 1396568" data-attributes="member: 30143"><p>Since the truck was running well before, and no other changes have been made to the truck outside of adding miles, plugs seem like the most likely culprit. Besides that, I would recommend:</p><p></p><p>• Inspect intercooler piping for boost leaks</p><p>• Check your intake air filter for excess dirt/grime build up</p><p>• I would also recommend checking your oil level - might sound strange, but I've seen some odd behavior attributed to low oil level before. Basically, oil sloshes away from the pickup under heavy acceleration, oil pressure drops, and cam phasers (which use oil pressure to operate) can no longer hit their target positions. Cam position is a cornerstone of how all EcoBoost ECUs work, and will influence ignition timing, speed density calculations, load limits, etc. that could throw engine operation out of whack and lead to sudden changes in drivability, and possibly even misfires.</p><p></p><p>If you haven't already cleared codes/reset ECU, it would be helpful to know which exact engine codes were being thrown. Curious to see if there are any other codes besides P030x misfire codes.</p></blockquote><p></p>
[QUOTE="COBB Tuning, post: 1396568, member: 30143"] Since the truck was running well before, and no other changes have been made to the truck outside of adding miles, plugs seem like the most likely culprit. Besides that, I would recommend: • Inspect intercooler piping for boost leaks • Check your intake air filter for excess dirt/grime build up • I would also recommend checking your oil level - might sound strange, but I've seen some odd behavior attributed to low oil level before. Basically, oil sloshes away from the pickup under heavy acceleration, oil pressure drops, and cam phasers (which use oil pressure to operate) can no longer hit their target positions. Cam position is a cornerstone of how all EcoBoost ECUs work, and will influence ignition timing, speed density calculations, load limits, etc. that could throw engine operation out of whack and lead to sudden changes in drivability, and possibly even misfires. If you haven't already cleared codes/reset ECU, it would be helpful to know which exact engine codes were being thrown. Curious to see if there are any other codes besides P030x misfire codes. [/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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