So I have that awful tire pressure monitoring system light go on since I've had the car and I don't know if I should replace them all or just ignore it because it might be too expensive to put all new ones on all these tires I'm not sure if it's worth it someone give me some advice what they think also it looks like I might start with a tune-up to correct that hesitation I have at 1500 RPM which is really weird because that's the only time it hesitates and then it's fine when driving on the highway or at any other speed if anyone has any idea why it's doing this I'm thinking of just starting with changing the spark plugs and seeing if that connects and fixes that little blip

 

I bought all 4 on EBay under $50.00, changed them myself, lotsa how to videos on YouTube.