Why is my Chevy Silverado not running emission monitor?

Why is my Chevy Silverado not running emission monitor?

We understand your Chevy Silverado is having difficulty getting certain emission monitors to complete (become Ready). The emission monitors are programmed to run while your vehicle is being normally operated. However, due to different driving habits, the criteria required to run a monitor may not always be met.

How to troubleshoot a bad EGR on a Chevy Silverado?

If your Silverado starts to run poorly and uses more gas, test the EGR to see if it’s working properly. Park the Silverado and allow the truck to cool for a half-hour. If the vehicle was recently driven an extended period of time, let the vehicle cool for up to an hour or until all components are cool to touch.

How to run a secondary air monitor on a Chevy Silverado?

1. Idle vehicle 5 minutes (achieve closed loop) 2. Accelerate and drive for 1 min at steady speed above 50 mph 3. Slow vehicle down to 20 mph. Do not use brake clutch, or shift gears. 4. Repeat steps two and three 5 times.

How to run EVAP monitor on Chevy Silverado?

1. Drive 5 min at steady speed between 30 and 60 mph 2. Stop vehicle and idle engine for 4 minutes. 3. Turn engine off. Remove ignition key. The ECU will run the EVAP Monitor once the engine has been shut down and ignition turned off.

If your Silverado starts to run poorly and uses more gas, test the EGR to see if it’s working properly. Park the Silverado and allow the truck to cool for a half-hour. If the vehicle was recently driven an extended period of time, let the vehicle cool for up to an hour or until all components are cool to touch.

We understand your Chevy Silverado is having difficulty getting certain emission monitors to complete (become Ready). The emission monitors are programmed to run while your vehicle is being normally operated. However, due to different driving habits, the criteria required to run a monitor may not always be met.

1. Drive 5 min at steady speed between 30 and 60 mph 2. Stop vehicle and idle engine for 4 minutes. 3. Turn engine off. Remove ignition key. The ECU will run the EVAP Monitor once the engine has been shut down and ignition turned off.

1. Idle vehicle 5 minutes (achieve closed loop) 2. Accelerate and drive for 1 min at steady speed above 50 mph 3. Slow vehicle down to 20 mph. Do not use brake clutch, or shift gears. 4. Repeat steps two and three 5 times.