Troubleshooting EGR Monitors Like a Pro A Comprehensive Tutorial

Because we have been playing with the tuning on my new motor, I ran several complete cold-hot-cold OBD II drive cycles to try and reset all of ... If the EGR valve is over 10 years old or has more than 150k miles , then it may be just too old and tired to pass the ECU Monitors. The valve must close under ... Disconnecting the battery will start the emissions readiness cycle again, so does clearing codes. If you do not have a few days remaining before ... An intermittent fault relating to the EGR position sensor can be difficult to troubleshoot. Monitoring the live data is critical for identifying the cause of ... The Jeep is stuck in a not ready state because the EGR monitor ... Took it to a independent shop they ID the issue correctly and fixed it. Hold a steady speed of 55mph for 3 minutes. During this time the O2 response, Air Intrusive, EGR, Purge, Misfire, and Fuel Trim diagnostics will ... This might be something you need dealership help for. As stated, disconnecting the battery is usually working against you, so clear codes with a ... Begin the drive cycle from a cold-start; having allowed your vehicle to sit overnight. Note, the secondary air injection monitor will require a cold-start in ... If you have emissions testing for state inspection, it should pass OBDII requirements without the EGR monitor. As for the no-start, I would ... 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 ...