What harness do you have, a NelsonPerformance harness?
What harness do you have, a NelsonPerformance harness?
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
the harness was built by Current performance and was supposed to use all the 2004 oem connectors. I am not sure if this is right though as other mistakes were made. In any case my front o2 sensors, as I don't have any in the rear, use two white wires and one blue and one green if my memory serves me correctly. The connector is shaped like this \__/ rather than just being square [_].
By the way the lean code has returned. I did swap the sensors to the opposite sides just for kicks even though I was told they were both working. We'll see if anything changes. I am not hopeful.
Last edited by kdog; 10-01-2007 at 01:15 PM.
1990 K2500 with Hummer Kit Body, LQ4, 4l80e 4x4
update:
There is a nipple on the top of my truck intake near the throttle body with an electrical plug and what looks like something similar to a bike tire nozzle. I am assuming this "unit" went to the emissions stuff like the evap canister. Is it possible that I could be getting a vacuum leak or otherwise getting air though this thingy? I was thinking about putting a vacuum cap over the nipple that is just exposed.
Thanks
1990 K2500 with Hummer Kit Body, LQ4, 4l80e 4x4
I capped the above mentioned nipple and swapping the o2 sensors did not change anything the same code came back.
I resprayed the intake with carb cleaner with no change in rpm. I am at a loss here.
1990 K2500 with Hummer Kit Body, LQ4, 4l80e 4x4
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