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Wideband fails with E-cutout

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Old Jun 3, 2011 | 07:07 AM
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From: Rosemount, MN
Default Wideband fails with E-cutout

I have a flowmaster merge in the Y-pipe and I installed my LC-1 in the merge. My DMH cutout is on the I-pipe, about 2-3' away from the WB. It works fine with it open or closed but anytime I operate the cutout, the WB freezes at a random number for a moment, then fails with the general error code.

My WB is powered off of the accy right now so if I want to data log with the cutout in a different position, I have to stop the engine and restart. I did buy a switch to manually turn off the WB but curious if anyone else has this problem.

Only thing I can think of is that the servo motor grounds through the pipe, and is grounding through the wb instead of the engine block.

Mods, not sure if this thread belongs in this section or elsewhere.
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Old Jun 3, 2011 | 12:13 PM
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From: bourbonnais ill
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I would think it could be a noisy ground
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