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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Numerous Faults upon Startup Today
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<blockquote data-quote="pjones" data-source="post: 1148807" data-attributes="member: 22172"><p>The limp mode is engaged when the ecu thinks there may be a condition where driving the truck is dangerous or to protect damage to the engine. In this case, maybe it detected a fault in the throttle input and limits the throttle signal to a very small % to prevent uncontrolled acceleration. As far as I know, the only way to get it out of this mode is to clear the fault. In your case, maybe just a short drive plus a restart was enough. You might try pulling the negative terminal on battery for a few mins and see if that causes the truck to do a full retest of the sensors.</p><p></p><p>Good luck man, bring a laptop with Forescan with you in case you need to pull the code. Video is also a good idea if you see this again, so you can show the dealer.</p></blockquote><p></p>
[QUOTE="pjones, post: 1148807, member: 22172"] The limp mode is engaged when the ecu thinks there may be a condition where driving the truck is dangerous or to protect damage to the engine. In this case, maybe it detected a fault in the throttle input and limits the throttle signal to a very small % to prevent uncontrolled acceleration. As far as I know, the only way to get it out of this mode is to clear the fault. In your case, maybe just a short drive plus a restart was enough. You might try pulling the negative terminal on battery for a few mins and see if that causes the truck to do a full retest of the sensors. Good luck man, bring a laptop with Forescan with you in case you need to pull the code. Video is also a good idea if you see this again, so you can show the dealer. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Numerous Faults upon Startup Today
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