P0401 Diagnostic Trouble Code Discussion for February 2014
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2004 GMC Sierra 2500 HD SLE 6.6L Hesitation, MIL Lamp on, Smokes and no power VIN: 1GTHC29164 P0401: EGR Flow Insufficient Detected. this is now the second truck we have in our shop with over 300k miles and with the same exact problems. when the customer is cruising on the freeway and then needs to step on it or even getting on a on-ramp sometimes its just black smoke and no power. sets the... |
February 27, 2014 |
