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Power loss

2605 Views 65 Replies 7 Participants Last post by  X+ Pilot
hello I have a loss of power in my truck, and no error code, has anyone ever had a problem like this? there is more than half the fuel tank.
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today the dealer calibrated the accelerator pedal, but still the same it is still lacking power, so I ordered the accelerator pedal, I received it on Wednesday to change it, but the dealer told me that I have to go to the jeep dealer to program the accelerator pedal for me. if I change myself that my dealer calibrates the accelerator pedal will it not work?
while waiting for the delivery of the pedal with the sensor, today I was driving, then I pressed the pedal suddenly and the loss of power with the code P012B, I stopped the engine then restarted and the code disappeared, I hope that the change of the pedal will solve the problem is that it is related to the pedal
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hello, I changed the accelerator pedal today, the learning of the pedal will be done tomorrow by my mechanic in the meantime I still tried the TH and it's the same no power. while driving I pressed the pedal all of a sudden and there was a big loss of power with the code p012b, I stopped the TH and turned it back on and the light went off, I came home and opened the hood and there I saw something drop of coolant i think the cap has a problem
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The Turbo/Supercharger inlet pressure sensor tells the engine control module (PCM) how much air is being forced into the engine When the PCM detects an incorrect signal from this sensor, it will set code P012B.

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While waiting for my appointment on May 15 at the dealership, I saw a post on the forum that described my problem exactly Here. it is quite possible that it is the upper pulley, is it normal that the pulley moves when I stop the engine?

No definitely not normal that wobbling of the pulley, do like in the thread you found and slip the supercharger belt off and spin and check the pulley to see if you feel resistance and can turn the supercharger lobes and also move the pulley back and forth to see if clutch is working properly, for sure seems to be an issue with the pulley or even the pulley shaft. Slip the belt off, that’ll be the quickest and easiest way to verify pulley or shaft problem.
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when I turn the pulley there is no resistance it turns very easily to the right and to the left, should there be resistance?
No definitely not normal that wobbling of the pulley, do like in the thread you found and slip the supercharger belt off and spin and check the pulley to see if you feel resistance and can turn the supercharger lobes and also move the pulley back and forth to see if clutch is working properly, for sure seems to be an issue with the pulley or even the pulley shaft. Slip the belt off, that’ll be the quickest and easiest way to verify pulley or shaft problem.
Looks like you found the problem.
Looks like you found the problem.
I hope 🙏 because here in France it's not easy to find a good mechanic for this cars. it makes you suffer
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Looks like you found the problem.
I don't think it's the pulley the problem since it turns well inside, maybe it doesn't turn enough, an expert will be able to help me on the forumVideo link
I don't think it's the pulley the problem since it turns well inside, maybe it doesn't turn enough, an expert will be able to help me on the forumVid
Try holding the rotors when turning the pulley. I would think the rotors would move faster when spinning the pulley.
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hello the mechanic called me he couldn't remove the pulley and there are 2 broken rods and he can't find the part, what should I do, do you have a part number to replace it?

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Use an impact air gun to undo the bolt and make from a thick metal plate with holes in it to hold the pins so your mechanic won’t break any more. Something like this but with a big hole in the middle View attachment 12201
I have already ordered but still not shipped

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Use an impact air gun to undo the bolt and make from a thick metal plate with holes in it to hold the pins so your mechanic won’t break any more. Something like this but with a big hole in the middle View attachment 12201
that's what the mechanic did, but why would you need a hole in the middle? it is with the compressed air gun that the rods are broken
I have already ordered but still not shipped
Call them and see what gives, HHP is usually very good with shipping. To answer your last post, the tool slips over the rods and the hole in the tool is for the socket to slip through to get over the bolt, it takes a lot of torque to get that bolt out.
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You do not want a cheap lazy air impact beating $hit up.
This Milwaukee took it off like soft butter.

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hello to all my problem is solved, it was the hellraiser pulley, the hawk has all its power now, what happiness !!! thank you all for your help 🙌
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