Addressing 'Reduced Engine Power' in Ardmore, Oklahoma

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Rocky Mountain Race Week Bonus Day 8: The Drive Home! Elvis Has Problems + Exploring Small Towns

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What happens here

While stopped at a Braum's in Ardmore, Oklahoma, the truck (named Elvis) unexpectedly displays a 'Reduced Engine Power' warning. The narrator attempts to clear the code using his Edge Insight CTS monitor, but it fails to reset. He then decides to physically disconnect both the positive and negative terminals of the truck's batteries and touch them together, a common method for resetting a vehicle's computer. After reconnecting, the warning persists initially. However, after driving the truck a few feet forward, the 'Reduced Engine Power' warning miraculously clears itself. The narrator observes that the code would reappear every time he let off the throttle, requiring him to repeatedly clear it with the monitor while driving. He speculates about the cause, mentioning common wire chafing issues in these trucks or a faulty pedal position sensor.

Goal: Troubleshoot and temporarily resolve a 'Reduced Engine Power' warning on the tow vehicle.

Tools and materials

Boat on Trailer — Being towed by the troubled truck
Edge Insight CTS Monitor Edge Products — Reading and clearing diagnostic trouble codes, and monitoring vehicle parameters
Truck — The vehicle experiencing a mechanical issue
Wrenches — Disconnecting and reconnecting battery terminals

What they say

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good timing gonna check the straps though they need to be tightened pretty badly i'm gonna tie these up too well i always stopped at this brahms and right before i got out i decided to pop up with reduced engine power for no reason while we're just sitting here idling this has happened to me before and absolutely nothing seemed to be the cause of it so i just tried to clear it sometimes it does except for during the big texas freeze it did not clear i don't know why so maybe because it was cold that it was doing that i really don't know i really hope that this works otherwise we're gonna have have a problem of some capacity well i'm just going to unhook the batteries for a little bit touch the connectors together and see if that'll reset it i sure hope i can get this figured out otherwise we can't get anywhere and we're stuck in ardmore nobody wants to be in ardmore oklahoma for anything ever anyway so yeah race week is not over yet apparently so touch the thingies together on both sides to make sure because i don't know if you have to do them both or just the main one i don't know but i did it let's see if that decided to do anything nope it's still there what the [Music] how i drove forward about three feet to get myself more out of the way and it just went away the reduced engine power just went away i don't know why maybe it has something to do with the battery terminal reset i don't know the pedal could be bad really not sure i heard there's a common wire chafe issue on these trucks so um i guess on my agenda for this week is to dig into that check all the common chafing spots for those maybe find a new pedal before we drive to streetcar takeover charlotte which by the way if you're in the charlotte area we will be there with uncle rob we will have merch so come on out get some stuff say hi so i found out that it will clear if i'm moving which is weird but now it's doing it literally every 30 seconds i just hold this and clear it and keep going good news is we're only about 55 miles away from the shop so i can keep doing this for the next hour yay i know what i'm doing tomorrow figuring out why elvis is screwed up you know the funny part is we have elvis shirts now they're at the shop and he's giving me a fit good job bro just let me try to help you out i think i got this ironed out now i don't know if it's a wire chain then use the right leg to take exit 467 on the right onto i-35w south what i've won i've concluded that it does it every single time…

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