What this code means

The DPFE sensor downstream hose is disconnected or plugged. This prevents the sensor from measuring exhaust pressure after the EGR orifice, making accurate EGR flow measurement impossible.

Symptoms

• Check Engine Light
• Poor EGR control
• Rough idle
• Failed emissions
• Stalling

Common causes

• Disconnected downstream DPFE hose
• Plugged downstream DPFE hose
• Cracked hose
• Carbon buildup in EGR passages
• Faulty DPFE sensor

Diagnostic steps

1. Inspect downstream DPFE hose (hose closer to EGR valve)
2. Check for blockage
3. Replace deteriorated hose
4. Clean EGR passages with EGR cleaner
5. Test DPFE sensor

Repair notes

Reconnect or replace DPFE downstream hose. Clean EGR system. Replace DPFE sensor if needed.

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