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New AEM Wideband Problem

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Old Apr 28, 2010, 05:39 PM
  #16  
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Sometimes widebands will act up if they are getting incorrect voltage at the gauge/sensor.
Old Apr 30, 2010, 03:34 PM
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Update.

No matter what power source line I try under the dash it makes the turbo timer count up and the wideband does not read correctly as a result. I can not locate a power source under the dash that does not make the turbo timer count up, very frustrating.

Any ideas?
Old Apr 30, 2010, 06:44 PM
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what have you tried? where is your ground? have you tried the empty slot in the fuse panel for power?
Old Apr 30, 2010, 07:14 PM
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I tried nearly every damn power wire under the dash. Problem is the Greddy TT harness goes into the main ignition wire that powers all under dash wires.

I just unplugged the TT and now the wideband works perfect. Plus the harness back in and the TT counts up and the wideband goes bannanas.
Old May 1, 2010, 09:34 AM
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It's probably not your power. My wideband is hooked up to the cigarette light power source along with couple other things. At this point you should really test your sensor like I posted on the first page.
Old May 1, 2010, 02:56 PM
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Not the wideband. I unplugged the TT from the harness and now the wideband works perfect.

I want to hear from people who have run a Greddy TT and a AEM wideband together.
Old May 1, 2010, 03:22 PM
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Did you try that o2 test?
Old May 1, 2010, 03:24 PM
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Originally Posted by Foolproof
Did you try that o2 test?
Yes, O2 is functioning fine. It also works fine now on the install but the TT is no longer installed.
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