Yes
Yes if it is emissions related.
To troubleshoot an engine management light on a VW Golf a diagnostic light is recommended. The test will display any malfunction codes it reads from the engine computer.
Yes, you can take the California driving test with the engine light on, but it is not recommended. If the light indicates a serious mechanical issue, the examiner may fail you for safety concerns. It's advisable to resolve any engine problems before taking the test to ensure a smoother experience.
The check engine light will illuminate and you will fail an emissions test.
yes they but it on a scan tool and they should tell you what the problem is and what needs to be done.
Yes, but you will fail it. The check engine light indicates there is something wrong with the emissions controls on the vehicle. Seek professional help for diagnosis and repair.
A dirty fuel filter could force a lean condition causing the check engine light to iluminate. In which case the vehicle would fail an emissions test.
On some vehicle it does as it is supposed to be vented through a canister and not the cap for emissions reasons. Another reason you fail a smog test if check engine light is on.
You can but it will cause the check engine light to illuminate and the vehicle will fail an emissions test.
it's poo
It can, if the cars computers have not had enough time to do all of their self diagnostics it will fail smog. They don't want you resetting the light on your way to the test.
It depends what caused the check engine light to come on. If there is something seriously wrong with an emission control component, simply clearing the code will not effect the results of an emissions test - the car will probably still fail. On the other hand, some codes for minor problems might not even cause the car to fail.