P0401 Diagnostic Trouble Code Discussion for February 2025
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2001 Hyundai Santa Fe GL 2.4L MIL Lamp on VIN: KM8SB82B51 P0401: EGR System - Insufficient Flow Detected. I reviewed the TSB # 01-36-021. There are 3 orfices/restrictors that go into the vacuum lines, I beleive one of these blocked the vacuum line. I don't know how to properly install these restrictors in the lines, they won't fit into the vacuum ports on the ... |
February 14, 2025 |
