- Step 1: Cold Start. The engine coolant temperature must be below 50°C/122°F and above 6°C/11°F of the ambient air temperature during startup. ...
- Step 2: Idle. ...
- Step 3: Accelerate. ...
- Step 4: Maintain Steady Speed. ...
- Step 5: Decelerate. ...
- Step 6: Accelerate Again. ...
- Step 7: Maintain Steady Speed Again. ...
- Step 8: Decelerate.
How do I pass my BMW emissions?
- Step 1: Cold Start. The engine coolant temperature must be below 50°C/122°F and above 6°C/11°F of the ambient air temperature during startup. ...
- Step 2: Idle. ...
- Step 3: Accelerate. ...
- Step 4: Maintain Steady Speed. ...
- Step 5: Decelerate. ...
- Step 6: Accelerate Again. ...
- Step 7: Maintain Steady Speed Again. ...
- Step 8: Decelerate.
How do I get my BMW oxygen sensor ready?
A “not ready” result means your vehicle's computer has not had a chance to check all of the parts of the emissions control system for problems – so it cannot determine if everything is working as designed. Until the vehicle is “ready” to complete the checks, the OBD inspection cannot complete.
How do I get my catalyst monitor ready?
If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery . If your battery is more than four years old, replace it and re-run the Drive Cycle. Even though your car may start just fine, the PCM is hypersensitive to the slightest glitch in the battery.
How do I drive my car to prepare for smog?
- Clear that “Check Engine” light. ...
- Drive the car at highway speeds for the two weeks prior to the smog test. ...
- Change the oil, but only if it needs it. ...
- Do a tune-up two weeks before the smog test. ...
- Make sure the tires are properly inflated.
How long does it take to complete a Drive Cycle?
How Long does it Take to Complete a Drive Cycle. Preparation for it will take eight hours but, all in all, a basic drive cycle test should take around 30 minutes to complete, with about 20 minutes of actual driving. Understanding your vehicle's overall health can help you ensure it drives smooth and lasts long.
How do you know when OBD2 is ready?
- Turn the ignition key to the “on” position for 15 seconds without cranking the engine.
- If the “Service Engine Soon” light blinks eight times, one or more readiness monitors are incomplete.
How long do you have to drive to reset computer?
Here's something you probably don't know: after clearing the car's computer you will need to drive for about 50 to 100 miles . As you drive your car the computer will monitor all the sensors and register the results. You can use GOFAR to constantly monitor your car diagnostics.
How long do Pending codes last?
After 3 consecutive drive cycles, when the ECM no longer detects a fault(s), the MIL (malfunction indicator lamp/check engine light) will turn off. Pending Trouble Code Clearance... Type A code – Code will remain pending until 80 warm up cycles .
Why is my Catalyst monitor Not ready?
If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery . If your battery is more than four years old, replace it and re-run the Drive Cycle. Even though your car may start just fine, the PCM is hypersensitive to the slightest glitch in the battery.
How many miles do you have to drive to pass smog?
Be aware that most mechanics disconnect the battery during a tune-up, so you'll need to drive those 100 to 200 miles before taking in your car for a smog check.
Should I change my oil before smog check?
Dirty oil can greatly affect smog test results, because the fumes from the oil compartment emanate throughout the engine area and become a part of the engine's combustion. Remember to change the oil before getting a smog check.
What is a drive cycle for emissions?
A drive cycle is one of the methods used by a vehicle's powertrain control module (PCM) to determine whether an emissions system repair was performed successfully . It involves a special test drive that duplicates the scenario of a person starting the car and making a short freeway trip, as if driving to work.
How do I get rid of permanent OBD code?
A Permanent Diagnostic Trouble Code (DTC) is stored when a DTC is confirmed and the Malfunction Indicator Lamp (MIL) has been illuminated. A Permanent DTC can only then be cleared by the module strategy and cannot be erased by clearing DTCs with a scan tool, a Keep-Alive Memory (KAM) reset, or battery disconnect .
Can I pass emissions with EVAP not ready?
Answer: Your vehicle may pass the smog inspection with an incomplete EVAP monitor . ... – 2000 and newer model year gasoline powered vehicles will need all emission monitors in READY or COMPLETE status, with the exception of the EVAP monitor. An incomplete evaporative monitor will not cause a smog check failure.
How do I know if my OBD scanner is ready?
- Turn the ignition key to the “on” position for 15 seconds without cranking the engine.
- If the “Service Engine Soon” light blinks eight times, one or more readiness monitors are incomplete.
