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Re: 99 cherokee sport with difficult engine start
When you say that pumping the gas seems to help it get started quicker a few things come to mind. Have you ever changed the fuel filter if not then it's probably getting pretty gunked up, possible fuel pump starting to go out, TPS sensor going out, another instance of the cps crapping out as we've all seen so many of them on here. I'd start with the fuel filter first if it has never or has been a long time since being changed as it might be clogged up causing low fuel pressure. You can search on here for tps and cps and find alot of info on how to check them to see if they're starting to go out.
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