Your bad muffler might be part of the reason your check engine light comes on. Usually, your bad muffler causes something else to go wrong and that causes your check engine light to come on. Problems cascade.
No, oil level does not cause the check engine light.
YES
Yes, an unplugged sensor can cause a check engine light.
Probably not, get the check lite read with a reader and deal with the problems it indicates.
Yes, water can cause a misfire, which will cause the check engine light to flash.
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
No, low gas cannot cause a Check Engine light to turn on. There would have to be a problem within the engine or the engine wiring for that light to come on.
Not likely. But you know you have a hole in your muffler so unless you want to have an accident from carbon monoxide poisoning you should have it replaced ASAP. Then reset the light and if it does not come back on, you know that was the cause.
It really depends on what the cause of the check engine light is.
no a burnt out headlight will not cause a check engine light but if you go to most of the part places they will check the check engine light for free
No, but something that could cause uneven idle could cause the check engine light to turn on.No, but something that could cause uneven idle could cause the check engine light to turn on.
No. It is illegal, will cause a check engine light and running problems.No. It is illegal, will cause a check engine light and running problems.