P0401 Diagnostic Trouble Code Discussion for November 2016
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2001 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J11 P0401: Insufficient EGR Flow Detected. Came into my shop for code p0401 from 2 other shops that worked on it. The one shop installed a used motor and the other shop replaced the egr valve, map sensor & cleaned the egr passages. When I got it the check engine light was on and code p0401 was set.... |
November 02, 2016 |
