You will not pass inspection in NJ with an airbag light ON. If you owned the car when the light came ON and your airbags have not previously deployed, this could be a sensor or wiring problem. If you need new Airbags, the repair could be as much as $1000. Most mechanics will charge 1 hour labor for diagnostics.
If NJ has an emissions standard, no. You'll have to repair whatever is wrong before the vehicle will pass emissions.
No, a person cannot just clean a check engine light to pass inspection. The issue causing the check engine light must be dealt with and fixed.
if your vehicle is licensed in NJ, and has NJ plates on it, and you have NJ insurance, they cannot ticket you in PA for having expired NJ inspection.
check the fuse and the park lamp relay
Not in NJ, but you get to bypass the regular State inspection line and can go through the shorter reinspection line for this non-emission, "safety" issue if you repair and reinspect within the period they allow.
information about DUTY of vehicle inspection and documentation
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I will like to get a NJ Transit Bus Pass.
100-200$