chevelles101

ok just had my computer tuned by ion at madz28 and i am having a few problems. the speedometer doesnt work at all and my service engine soon light will come on. while the ses light is on the idle is really low and just barely stays running. the fans kick on and stay on when the ses light comes on as well. everything else with the tune is great. i got the tune because i just recently swapped my a4 for an m6. I've talked to Ion and he says the tune is fine and I should check the plugs into the computer to make sure none of the prongs are bent. I checked the prongs and they are fine. I am not bashing Ion, he is more than known for his quality products/service and his speediness. any ideas? thanks

p.s. its a 95 z with 160* t-stat, hollow cat, and free mods that is it.

AF96Z28

what codes is it popping?