DTC P20FE-97: Reductant Metering Unit Performance - Component or system operation obstructed or blocked: Action
WARNING: This page is about a different variant/trim than selected.
- Vehicle Conditions to enable DTC Logging strategy
- Drive vehicle at urban speeds until SCR catalyst warm and exhaust Nox sensors active. Ensure the vehicle is not in DPF active regeneration and drive at urban speeds for 20min (50/60mph)
- Prioritized Checks to Perform
- Damaged/Removed dosing module
- Dosing module stuck closed/stuck by deposits
- Deposits on SCR device front face
- Damaged/Removed SCR catalyst
- Deposits on front face of SCR catalyst
- Check diesel exhaust fluid injector for deposits or corrosion
- Check exhaust metal work for damage