What Are Some Indicators of Impeller Wear & Tear? WCJ Quick Topic

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This Quick Topic segment was taken from our full-length podcast titled "Understanding Impeller Pitch with Glen Perry @ Impros" and can be viewed in its entirety HERE: kzbin.infolYnNF2jlX5c?...
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[@MikeZ32TT]

i had the same marks on my 18 gti impeller. i ride my ski really hard.

[@SRM9110]

Question I recently went to ride my 2019 Seadoo 300 GTX. I had no problems on my last ride, but I haven’t ridden it in months. I did not turn it on and let it sit for 3-4 months. I probably had a quarter tank of old gas, but I added fuel stabilizer and then added about 10 gallons of fresh 93. When I got to the river, I got an error code P0106 (intake manifold sensor). I went home and checked the intake manifold; it hasn’t separated, and I could not feel air being sucked in. I then took it out again, and it gave me error code C0073, which is an iBR torque request failure. I don’t think anything is wrong with the ski, and I think it might be computer-related. Does anyone have any ideas on how to troubleshoot this before I take it to the dealership?