Is this an actual problem 1995 sidekick check engine light on right at 50000 miles Does this seem likely?

Yes, a check engine light coming on at 50,000 miles for a 1995 Sidekick can indicate a legitimate problem, as vehicles of that age may start experiencing wear and tear. Possible issues could range from minor problems like a loose gas cap to more significant concerns such as sensor failures or exhaust issues. It's advisable to have the vehicle's diagnostic codes read to identify the specific issue. Regular maintenance is crucial for older vehicles, so addressing any warning lights promptly is important.