Demystifying EGR Monitor Woes A Comprehensive Troubleshooting Guide

OBD 2 systems are required to monitor EGR flow and store a P0401 code if exhaust flow is insufficient. How To Get a Replacement EGR Valve for ... I have the same problem (egr/vvt monitor). It is now in a shop with a dynamometer and has been driven a total of 8 "drive cycles" with no reset in sight. Told me "Catalyst & EVAP" not ready. They told me to drive and follow the drive cycle. I did 5-6 times. Still not ready. Reset the ECU using ... I went ahead and replaced the EGR valve myself and reset the ecu by disconnecting the battery for 20 minutes. I have since drove over 1200 ... Smoke was pouring out near the gas tank by the charcoal canister. So I bought a replacement canister, got underneath to replace it and.... 4. Repeat steps two and three 5 times. Chevy runs their EGR monitor during the deceleration portion of the drive cycle. Evaporative Monitor ( ... To complete the EGR Readiness Monitors for the Borrego (HM), technicians will need to road test a completely warmed up vehicle, above 45 mph, for several cycles ... 3) Idle vehicle for three (3) minutes.Note: This monitor evaluates EGR flow based on a change of engine roughness (idle stability). Conditions causing un-stable ... Looking for a little help with OBD readiness monitors. I'm in the midst of a battle with the Registry in Massachusetts to get a sticker for my 2007 328XI Auto ... You will need to do it multiple times normally 2-3 times to reset the EGR flag.Your AC needs to be in the on position during this process. You ...