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Tbss problems!

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Old 12-10-2011, 09:54 AM
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Default Tbss problems!

Ok so I did the tbss swap with a nnbs throttle body, I'm finally getting it tuned an my tuner says it is showing 100% at 3/4 throttle an when you do floor it the comp looses connection to the tps, truck goes crazy an into limp mode. It's even showing 13% throttle at idle or the truck off. I have the xlink, any thoughts? Truck is my dd.
Old 12-10-2011, 10:19 AM
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Is the pink wires on the x-link still together or cut?
Old 12-10-2011, 03:55 PM
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There still together.
Old 12-10-2011, 05:52 PM
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Which TB or you using?
Old 12-10-2011, 07:40 PM
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I was told it was a nnbs truck tb.
Old 12-10-2011, 09:47 PM
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Could you post a pic? Some TB require the pink wires to be cut & some not. When I installed my 90mm tb I miss read the direction & cut the pink wires & it did the same thing that yours is doing
Old 12-10-2011, 10:05 PM
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Link below. Should I just cut the pink wire an see if it works? It's delaying me getting it back an it's my dd.
Old 12-10-2011, 10:06 PM
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90mm L92 DBW Throttle Body - LS1TECH
Old 12-10-2011, 10:11 PM
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the throttle body could be bad 05gmcsierra had a similar problem ,
Old 12-10-2011, 10:11 PM
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Does it look like this


If so it shouldn't need pink wires cut. It could just be a bad tps in the tb.


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