Sounds like a low battery. recharge your e-cig and if you still struggle with smoke you may need to change the filter part. You can do this buy unscrewing the bottom part of the e-cig and of course replacing it.
Repaint it
yes
NO
fix it
A pencil sharpener goes dull over time due to wear and tear on the blade from repeated use. You can try to fix it by replacing the blade or sharpening it if possible, but sometimes it's more cost-effective to simply purchase a new sharpener.
smoke alot of pot
That would probably be bad valve seals. It would depend on the vehicle as to how easy or hard it would be to repair.
you take it to a mechanic
Find and fix exhaust leak
you do not fix the light. you fix what ever caused the light to come on. so the lenght of time depends on the cause for the light to go on on the first place.
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