you should also check for vacuum leaks, if you have a tank of propane, hook up a hose and spray over the engine. if the engine revvs up then you have a leak. Does the check engine light come on? It sounds like you don't have any money to fix any of these. Buying another vehicle is a really drastic measure considering you can even take it to a shop and get it done for under like $750 dollars probable worst case scenario. The only way to get rid of problems is to actually fix them. just my $.02
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