How many miles after battery disconnect can you drive?
The battery had been disconnected for about a month (it died & I couldn’t afford another one). I know that you’re supposed to run the car for about 100 miles after disconnecting the batt. I did drive her for about 100 miles but it was just “around town” and I never got above about 45 MPH.
What happens when your car is not ready for an OBD test?
The status of the emission systems may also be reset by disconnecting the battery. After being reset, the emission systems on your vehicle will have a “not ready” status.
What is a readiness monitor in OBDII system?
A readiness monitor is a test that your OBDII system runs to ensure that a particular emission control component is working properly. Your OBDII system runs one test (readiness monitor) for each vehicle emission control component.
How does an OBD test an O2 heater?
This will test the O2 heater, Passive Air, Purge “No Flow”, Misfire and if closed loop is achieved, Fuel Trim. Accelerate. Turn off the air conditioner and all the other loads and apply half throttle until 88km/hr (55mph) is reached. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed.
How do you pass the OBD-2 emissions test?
To pass an OBD-II emissions test, a vehicle must: If you clear the ‘Check Engine’ light, or reset the OBD-II monitors right before your emissions test, your vehicle typically will not pass because the catalyst and EVAP monitors need time to run.
The status of the emission systems may also be reset by disconnecting the battery. After being reset, the emission systems on your vehicle will have a “not ready” status.
How many miles does it take to reset a car battery?
As other have stated, it’s not just miles it’s drive cycles and fuel level in the tank also (for evep system checks). Each test has a set of criteria which must be met. There is no check engine light on. Went to get the echeck and was told that I need to drive the car longer, because the readiness codes were not ready after batt. disconnect.
How does the OBD work on a car?
Your vehicle’s On-Board Diagnostic (OBD) computer reviews the status of the emission systems within the vehicle. During certain repair procedures, the status of these emission systems is reset by the repair technician.