How to complete the GMC Envoy drive cycle?

During this time the Oxygen Sensor O2 response, Air Intrusive (AIS System), EGR Flow, Purge Valve, Misfire Detection, and Fuel Trim diagnostics will be performed. E. Decelerate: During this step slowly let off the accelerator pedal.

Can you do a drive cycle on a Chevy S-10?

However, due to different driving habits, the criteria required to run a monitor may not always be met. Following the Chevy S-10 drive cycle below should allow all emission monitors to complete. The drive cycle must be followed accurately. Take extra caution when performing the drive cycle on public roadways.

How many driving cycles does a GM OBDII take?

If the catalyst is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst. This will perform the same diagnostics as in step 5.

What are the steps in the OBD driving cycle?

It is important to let the vehicle coast along gradually slowing down to 20 mph (32km/hr). During this time the EGR, Purge and Fuel Trim diagnostics will be performed. Accelerate Accelerate at 3/4 throttle until 55-60mph (88-96 km/hr). This will perform the same diagnostics as in step 3.

What’s the drive cycle procedure for a Dodge?

Driving Procedure 1) Warm engine up for five minutes (must reach closed loop) 2) Drive (with steady throttle) at a speed between 40 and 60 mph for 8 minutes. 3) Stop and idle for 3 minutes.

How to perform a Chevy Suburban drive cycle?

C. Accelerate: Turn off the air conditioner and rear defroster and begin driving your Suburban. As soon as possible apply half throttle until 55mph is reached. The ECU will now run self-tests on the Misfire Detection, Fuel Trim, and EVAP Purge Flow. D. Hold Steady Speed: Hold your speed steady at 55 mph for three minutes.

How to perform a basic drive cycle-repairpal?

The Drive Cycle and Emissions Readiness Monitors have, for the most part, stopped this unethical tactic. Here are step-by-step instructions on how to perform a basic, yet very effective, drive cycle that will complete the readiness monitors for your vehicle’s emissions control system.

When does a vehicle perform a drive cycle?

The vehicle performs the self-diagnostic computer test when the vehicle is driven. This is commonly referred to as a “drive cycle.” If possible, when working on a vehicle either before or after an E-Check OBD II test; do notclear the Diagnostic Trouble Codes (DTC’s) so that the check engine light remains on after the repair(s).