Quote:
Originally Posted by 6ixSpd
Step 1) Scan the car for codes. Don't throw parts at it without having an idea of where the problem lies...
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I've scanned the car multiple times using ISTA with no codes coming up besides a code for an AUC sensor which is for the automatic air quality circulation function as far as I'm concerned, but nothing relating to a misfire or something the car is noticing is wrong. As I was driving home tonight the car was running good with a normal idle and felt very smooth, so I got on an onramp and floored it, got up to about 90 mph, slowed back down and got off the highway about 10 seconds later and stopped at the light and sure as hell the lumpy idle is back, almost like it's misfiring but not giving me any codes, i can feel the engine vibrating much more than usual with the occasional hiccup I guess you could call it, but with no codes. PITA I swear hahaha