Illinois 7.3
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- Sep 9, 2012
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Digging up old thread. To the OP did this fix your problem permanently? My truck is doing the exact same thing
A new TPS seems to have fixed it as far as I can tell. I haven't been running my chip the last 4-5 months in order to preserve my trans. (The chip made even the slightest problem more apparent.) I don't notice any surging like I had experienced before.
I don't know if I got an extraordinarily crappy piece the first time or what happened but this one has lasted a year without trouble.