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TriumphGuy's avatar
TriumphGuy
Explorer
Apr 30, 2019

$3150 to service Onan 7k and replace ignition coils!

Hi all, I'm in sticker shock. I took our MH to a Cummins/Onan shop because the genset would not stay running ... kept throwing a code related to ignition. They have to pull the genset and repla...
bounder39zman's avatar
bounder39zman
Explorer II
May 11, 2019
OK..fault code 47 is an ignition fault code. the control board is not "seeing" one or the other ignition coils. could be as simple as a unplugged wire, or a bad coil. I have had shop towels or paper towels get sucked up into the air intake, and dislodge wire off coil. So looks like you probably have bad coil, disconnected wire to coil, or possibly bad control board.. And , from experience, dont lay shop towels or paper towels near air intake....

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