A few days ago I installed my SLP headers. They were fighting me the whole way! Getting irritated as hell to get the front mani to seat flush and the crossover to slide into the front mani I started using a pry bar to give a quick shock more than a few times. Where the bar it self kept hitting a few times was the fan shroud in middle between both. Which leads me to believe I may have caused a problem??? I also had to remove the right motor heat shield (a little smack of the trim tool) (knocked the fasteners off) Maybe its one of those things that failed before and now I notice it? But I doubt it.
On a cold start my fans come on high and stay on and from what I can hear at idle. Ign on engine off they are not on though. Key off they are not on. So its not a short per say. I can command them on/off with HPT. The temp sensor is working as I can unplug it and it will go to -38*. Every now and then I use to hear the fans stay on with the key off (too hot/summer days)
Below is my fan tune. What could be the problem? I wiggled the harness and nothing has changed. I tapped the pcm and fan motors with a hammer and no change. I even put a different pcm file in with a timing tweak for starters with no change (incase it was a bad file)
Do these fan tables look ok?
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