P0401 Diagnostic Trouble Code Discussion for September 2015
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2008 GMC Sierra 3500 HD WT 6.6L MIL Lamp on VIN: 1GTJK33648 P0401: EGR insufficient flow detected. ... here... So vehicle was towed in about a week ago. Check engine light came on, clean exhaust message then reduced power to a point it stalled. They drove it to shop and then finally would not run anymore. Connected scan tool. Soot was 99g vehicle would st... |
September 08, 2015 | |
| 2003 Mercury Mountaineer 4.6L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on, Low idle VIN: 4M2ZU86W53 P0401: Insufficient EGR Flow Detected (ESM System). ... time for help. came in with complaint of dying. normal cold start-up: idles high when cold. but when warmed up idle drops way down to 430-480rpm then surges back up to 1200 about 2-3 times then dies. if you restart it a few times it repeats above and th... |
September 16, 2015 | |
| 2003 Mercury Mountaineer 4.6L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on, Low idle VIN: 4M2ZU86W53 P0401: Insufficient EGR Flow Detected (ESM System). ... time for help. came in with complaint of dying. normal cold start-up: idles high when cold. but when warmed up idle drops way down to 430-480rpm then surges back up to 1200 about 2-3 times then dies. if you restart it a few times it repeats above and th... |
September 17, 2015 |
