p2188

ENGINE/DRIVABILITY Year/Make/Model: 2007 Mazdaspeed 6 GT Mileage: 134,xxx (USDM replacement engine 100,xxx) Location: Wisconsin Cheese Concern: Rough running, hesitation/stutter/stumble DTC's: P2188 / P0138 Modifications: Cobb SF Intake, all else new CS HPFP internals/o-ring, Fidanza flywheel...

I have a stock diameter Corksport ram air intake and BNR S1. It is on the stock Cobb map (should be same as Mazda OEM afaik). Everything else is bone stock. I only run 93-octane fuel. I'm getting P2188 (Rich at idle) and can verify it idles rich, at least if the AC is off... either way, LTFT is...

Alright guys I'm super new here actually first time on posting in a forum lol. So I've been having an intermittent super rich condition usually when turning in 2nd gear my afrs are around 8.6 to 9.2 and my fuel pressure is around 1700 to 1800. I replace the wiring harness and that worked for 2...