TB1192 – EGR cooler restriction
TB1185 – Toyota Hiace, Hilux, Prado P2BAB NOx maximum value exceeded EGR flow and P1251 step motor for turbo control circuit fault codes present
TB1086 – Scan tool data for EGR & MAF
TB1046- Fiat Ducato and Iveco Daily EGR cooler restrictions
TB1113 – Intake manifold service & cleaning