2017 Road Glide Error Code p0327
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Joined: Mar 2023
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From: GA
2017 Road Glide Error Code p0327
I have a 2017 Harley Davidson Road Glide Specail. For the past month I have been getting a check engine light Error code P0327.... googling and looking researching one of the main diags have suggeted a knock sensor. I am contiplating changing my spark plugs and the knock sensor to see if this fixes the issue. I am the only owner and believe and I can't recall ever having my spark plugs changed. I have a Fp3 fuel pack on my bike that I thought could be causing the issue. I bypassed it re-flashing my ECU with the factory map..... cleared the codes... check engine lights goes away I let bike idle for awhile one time and the other time test road and sure enough the check engin elight returned. I'd really would hate to take to the Harley Dealership as I know they will charge me out of the wazoo for a simple fix.... Would you all start with changing spark plugs and it says bank 1 knock sensor to see it that fixes it? I have jacked my bike and checked every wire I could get to to make sure nothing was loose. BTW even with the check engine light on the bike still ran strong and sounded normal... I am just don't like riding my Hog with any check check engine lights on. Light it yellow btw if that helps any. Any and all input is welcome and appreciated.
Cruiser
Joined: May 2022
Posts: 131
Likes: 64
From: Cleveland
I have a 2017 Harley Davidson Road Glide Specail. For the past month I have been getting a check engine light Error code P0327.... googling and looking researching one of the main diags have suggeted a knock sensor. I am contiplating changing my spark plugs and the knock sensor to see if this fixes the issue. I am the only owner and believe and I can't recall ever having my spark plugs changed. I have a Fp3 fuel pack on my bike that I thought could be causing the issue. I bypassed it re-flashing my ECU with the factory map..... cleared the codes... check engine lights goes away I let bike idle for awhile one time and the other time test road and sure enough the check engin elight returned. I'd really would hate to take to the Harley Dealership as I know they will charge me out of the wazoo for a simple fix.... Would you all start with changing spark plugs and it says bank 1 knock sensor to see it that fixes it? I have jacked my bike and checked every wire I could get to to make sure nothing was loose. BTW even with the check engine light on the bike still ran strong and sounded normal... I am just don't like riding my Hog with any check check engine lights on. Light it yellow btw if that helps any. Any and all input is welcome and appreciated.
Seasoned HDF Member
Joined: Feb 2008
Posts: 23,004
Likes: 11,441
Some 2017 RGU were known to have a plug wire rubbing causing wear. This is 2023 ,it may be a good idea to do the plugs anyway. Check wires.
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Stellar HDF Member
Joined: Jul 2021
Posts: 2,128
Likes: 2,132
From: NoVA
According to Harley’s maintenance schedule spark plugs should have been changed at least twice - I’d start there, cheap and easy to do.
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