When do you reset the drive cycle Monitor?
Manufacturers are required to validate monitors during the first 23 minutes (1372 seconds) of the Federal Test Procedure Drive Cycle. Completing the Drive Cycle successfully one (1) time should reset most drive cycle monitors to a “Ready” status.
How to reset the OBD II drive cycle?
Decelerate without using the brake (coast down) to 20 MPH or less, then stop the vehicle. Allow the engine to idle for 10 seconds, turn the key off, and wait one minute. Restart and accelerate to 40-55 MPH at 25% throttle and maintain speed for two minutes.
Do you need to clear fault codes before a drive cycle?
After completing any emissions-related service, you need to clear all OBD-II diagnosis fault codes by using a professional digital scanner. This needs to be completed prior to beginning the actual drive cycle test.
How to pass inspection and complete a drive cycle?
If you have a Code Scout 700 http://amzn.to/Nnwvot you can get a reading that tells you how many monitors are ready and how many are incomplete. All 8 monitors need to be in a “ready” status before you can pass inspection.
How to reset the OBD II Diagnostic monitor?
Decelerate with using the brake [or the clutch!] by coasting down to 20 MPH or less, then stop the vehicle. Allow the engine to idle for 10 seconds, turn the key off, and wait one minute. General Motors (specific) OBD II Drive Cycle
Can the O2 sensor not working properly cause the 0420?
Only O2 sensors not ready. I did the drive test described in the manual and number of times. I drive the freeway for 20 mins a day and surface streets another 20 mins. At 550 miles I finally got some codes. 0420 and a pending 0420. But, O2 sensors are still not ready. Can the O2 sensor not working properly cause the 0420 ?
What to do if your oxygen sensor is not ready?
Never heard of the O2 drive cycle not coming to completion, that can’t be good. Do you have a code reader? If so, try resetting your codes. Even if there are no codes stored, you still may be able to reset the system. If you don’t have one, go to an auto parts store and have them do it.
Why is the oxygen sensor not ready for the drive cycle?
These constantly monitor the sensors, the fuel mixture, and the occurrence of misfires. If the oxygen sensor heater monitor is not ready, check to see how many other monitors are not ready. If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery.
Manufacturers are required to validate monitors during the first 23 minutes (1372 seconds) of the Federal Test Procedure Drive Cycle. Completing the Drive Cycle successfully one (1) time should reset most drive cycle monitors to a “Ready” status.
How long to run O2 sensor heater monitor?
4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. 5) Turn key off, leave off for ten minutes (to run O2 sensor heater monitor). specific drive traces for Chrysler vehicles. – MIL must be off.