DTC's, Problems & Troubleshooting
For reference I have a 2000 Regal GS, stock everything except for:
- 3" Downpipe without cat
- ZZP Stage 1 Throttle Body
- High Flow fuel filter
- Overkill PCM
Let's back up. Completely stock, I scanned for knock with an aeroforce gauge. at WOT I get about 8.6 degrees of KR...