How to Perform a Chevy Suburban Drive Cycle 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. How to perform a Chevy Suburban drive cycle? The ECU will run the EVAP Monitor once the engine has been shut down and ignition turned off. Stop vehicle and idle engine for 4 minutes. Drive 5 min at steady speed between 30 and 60 mph 2. How to run EVAP monitor on Chevy Silverado?ġ. if all the other monitors are ready, then do a couple more “cold” starts. If the evap monitor is not ready, verify that your fuel cap is tight and the level of fuel is between 1/4 and 3/4 full. If these conditions have not been met since the last time the monitor ran, or since the last time the battery was disconnected, or since the last time fault codes were cleared from the PCM memory, the EVAP monitor will NOT be ready. Decelerate with using the brake by coasting down to 20 MPH or less, then stop the vehicle.Īs a rule, the EVAP monitor only runs when certain conditions have been met. Restart and accelerate to 40-55 MPH at 25% throttle and maintain speed for two minutes. How do I reset my GM EVAP monitor?Īllow the engine to idle for 10 seconds, turn the key off, and wait one minute. Start the engine and idle for four minutes, then drive in stop-and-go traffic for five minutes using smooth accelerations and decelerations. During EVAP system monitoring the PCM tests for vapor leaks by applying vacuum or pressure to the fuel tank, vapor lines and charcoal canister. The EVAP monitor checks for fuel vapor leaks (including a loose or missing gas cap). AN incomplete evaporative monitor will not cause a smog check failure. Gasoline Vehicles: – 2000 and newer model year vehicles will need all emission monitors in READY or COMPLETE status, with the exception of the EVAP monitor. A complete driving cycle can be done in under fifteen minutes….To perform an OBDII Driving cycle do the following:Ĭan I pass CA smog with EVAP monitor not ready? How do you complete a Chevy drive cycle?Ī complete driving cycle should perform diagnostics on all systems. How long does it take for EVAP monitor to reset?įor four minutes, start the engine, then drive in stop-and-go traffic for five minutes using smooth accelerations and decelerations. 7 What is mode 6 on Chevy Silverado emissions monitor?.6 How to run EVAP monitor on Chevy Silverado?. ![]() 3 How do I reset my Chevy EVAP monitor?.2 How do you complete a Chevy drive cycle?.1 How long does it take for EVAP monitor to reset?.
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