2008audi a4 B7 2.0T ruff idle and stalling, replaced everything (list provided) A4 2.0T Quattro, 2006|A4 Avant 2.0T Quattro S-line, 2005|A4 3.0 Quattro UltraSport. A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 8zix.