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Old 01-27-2021, 02:22 AM   #41
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Brand: Thor Motor Coach
Model: freedom elite 24he
State: Alabama
Posts: 28
THOR #21327
I changed the belt and idler pulley with the Gates set which gives me a lifetime warranty on the pulley I think and the noise is gone.

Still have the fuel rich O2 sensor issue but have the sensor on order as well as MAF sensor.

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Old 01-28-2021, 03:17 PM   #42
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State: Indiana
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THOR #21091
Can you please point me in the direction of the O2 sensor and MAF issue? I searched but didn't find something that looked like what you might mean.
Thanks
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Old 01-30-2021, 06:52 PM   #43
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Brand: Thor Motor Coach
Model: freedom elite 24he
State: Alabama
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THOR #21327
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Originally Posted by Brian76 View Post
Can you please point me in the direction of the O2 sensor and MAF issue? I searched but didn't find something that looked like what you might mean.
Thanks
My v10 threw a MIL Light (check engine) and the code was fuel trim sensor 2 bank 2. That's driver side, 2nd sensor which is the one on the converter itself.

Not too many things can make this code happen. But the O2 sensor is "seeing" that there's too little o2 coming out (or too much) and it causes the computer to make adjustments until no more can be made and then throws the code. I think it was p2091 .

On a motor that's 3 years old with 12,000 miles it's likely not a bad converter, or a leaky exhaust system. So it can be a bad o2 sensor or a bad MAF sensor or plugged in wrong or broken wires ,etc.


I changed maf and o2 and the code went away. (I use forscan to check because the MIL wasn't on but would have set after confirmation) . I sent the RV on a rental the next morning so I haven't had time to check it thoroughly but I hope it fixes it.

It wasn't too hard to replace it. A split wrench is quite helpful. The maf was 5 minutes to replace.
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Old 02-05-2021, 01:04 PM   #44
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Brand: Still Looking
Model: Sunseeker 3010DS
State: Georgia
Posts: 3
THOR #22072
e-450 V10 6.8 engine rattle 2100rpm - serpentine belt - idler pulley

Found this for anyone still chasing this noise.
e-450 engine rattle - serpentine belt

https://www.jaycoowners.com/forums/f...elt-82252.html

https://youtu.be/Oa6cr2dFkPE
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Old 02-05-2021, 04:44 PM   #45
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Brand: Thor Motor Coach
Model: freedom elite 24he
State: Alabama
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THOR #21327
Glad to report after a few hundred miles the noise is still gone and no MIL.
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Old 02-17-2021, 09:21 PM   #46
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Brand: Thor Motor Coach
Model: Freedom elite 30fe
State: South Carolina
Posts: 58
THOR #14612
After traveling 9000 miles and having no noise I was very happy. But when the noise came back I tried the belt conditioner. I really donít think this is a good idea. Talk to three different mechanics and everyone said that now definitely you have to change the belt. So this time I changed to gates belt tensioner and idler pulley. Noise is gone again like before. But letís see how long it will last.
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