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I am going to get an oscilloscope and try this out.
Thanks!

The first time I did purchased from Amazon " AC Delco sensors & Dorman harness" - which one of them did ended up bad. Then the second time I replace the bad sensor with one I bought from AutoZone "AC...

I clear the DTC every time and then the code comes back after 60+ miles..

Hi,
I am new to HP Tunners and I bassically purchased this software to be able to install efans on my 99 Chevy Silverado which I already did and everthing has been working great in addition to the...