I'm having some crazy tuning issues. My tuner is a SCT master at tuning mustangs.
Current problems;
We are on our 12th tuning session. Truck idles fine in Every shifter selection, drives great. After about 20mins of drive time when returning to park the rpm's shoot to 2600 and will not come...
my setup
my '99 mazda 2wd 5.0 swap. Im using Derale electric fan kit attached to stock rad. I'm using two becool realys and one becool a/c engagement relay.
1999 Mazda B2500 5 speed swapped to 2001 explorer 5.0 with auto. I repinned the tach with no success. I have read a few threads about the 4cyl needed the black and yellow grounded, still no success. I have looked over both my EVTM's carefully. can any one help? I have also swapped in the 2001...
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