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.

How to reset the EVAP system monitor drive cycle?

Connect the Scan Tool to the data link connector (DLC). Use the Scan Tool to clear any stored DTC’s and to reset the Onboard Diagnostic Monitors. Bring up the Readiness Code for the EVAP System Monitor. 2. Start the engine (cold); IAT PID from 40-100ºF (this step requires a key “off” period of at least 8 hours). 3.

How long does it take to reset a Chevy Silverado emissions monitor?

If the catalyst (Catalytic Converter) is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst,or in order to Complete the CAT Monitor. H. Decelerate: This will perform the same diagnostics as in the first Deceleration.

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.

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.

When to replace an evaporative emission control canister?

When the EVAP emissions canister fails it triggers an OBD-II error code (0499) collected by the vehicle’s ECM and tells a mechanic that there is a pressure problem with the EVAP system. If the EVAP canister is damaged or not working properly, it needs to be replaced, as it can’t be serviced or repaired on the vehicle.

How to lower a vehicle with an EVAP vent?

Lower the vehicle. 2004-2007 Model Year (Use Service Kit P/N 19152349) 1. Raise the vehicle. Suitably support the vehicle. 2. Disconnect the EVAP canister vent valve electrical connector. 3. Disconnect the canister pipe from the vent valve. 4.

What kind of leak does a GMC Sierra have?

Please try again later. 2007 gmc sierra with a 5.3l, check engine light on with a p0455 evap gross leak trouble code stored, this video shows how to identify and locate an evap system leak using a smoke machine and bi-directional controls on a scantool (to close the vent), hope you enjoy thanks for watching. Loading…

What kind of engine does a GMC Sierra have?

If the vehicle has the DURAMAX®Diesel engine, refer to the DURAMAX®Diesel supplement for additional and specific information on this engine. Keep this manual in the vehicle for quick reference. Canadian Owners Propriétaires Canadiens

Where is the tow / haul selector on a GMC Sierra?

Instrument Panel Cluster on page 4‑30. F. Shift Lever. SeeAutomatic Transmission Operation on page 3‑30. Tow/Haul Selector Button (If Equipped). SeeTow/Haul Mode on page 3‑36. Range Selection Mode (Allison Transmission and Hydra-Matic®6‐Speed Button (If Equipped).

Where to find the GMC Sierra owner manual?

To quickly locate information about the vehicle, use the index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. iii Litho in U.S.A. Part No. 25854759 B Second Printing©2009 General Motors. All Rights Reserved. Safety Warnings and Symbols

When did the Chevy Silverado 1500 come out?

Please try again later. The Chevrolet Silverado is a full-size, heavy-duty pickup that has been around since 1999. They are the workhorses of the Chevy line and to keep your truck running its best, it is always a good idea to do all the recommended maintenances.

How does the EVAP system work on a Chevy Camaro?

The EVAP system cycles fuel vapor from the gas tank into the intake manifold, a charcoal canister, or directly into the air depending on the model of vehicle. When this system malfunctions, the fuel vapor is not being dealt with properly.

How to check the status of the EVAP system monitor?

Then decelerate back to 0 mph without touching the brake pedal or the clutch pedal on models with manual transmission. Allow the engine to run at idle speed for 20 seconds. Bring the vehicle to a stop in a safe place, but do not turn off the ignition key. 4. Check the status of the Readiness code for the EVAP System Monitor.

How big of a hole does EVAP monitor make?

For 2000 and newer vehicles, the leakage rate has been reduced to the equivalent of a .020 in. diameter hole. The EVAP monitor checks for fuel vapor leaks (including a loose or missing gas cap).

When does EVAP turn off the ignition switch?

EVAP SYSTEM MONITOR DRIVE CYCLE INSTRUCTIONS Do not turn off the ignition switch during the test procedure. All Onboard Diagnostic Monitors are cleared when the battery is disconnected or when the Powertrain Control Module (PCM) is cleared with the Scan Tool.