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There's not much to tune on comp controlled efi vehicles beyond normal maint items, Many have seen great benefits in idle and throttle response from cleaning throttle body and many also forget about the fuel filter-which is meant to be changed on occasion as well. Use only good gas with additives so injector cleaner is never necessary. You will find articles about cleaning the maf- I advise you not to do this, although others will argue it's ok, those wires are very, very sensitive. Not worth messing with. Something that would work wonders for you and you will be thrilled with the results- Seafoam- but you have to use it very carefully. Search that term. Also plugs make a difference-many spend a fortune on fancy plugs that take more juice to light. the cheapest ones out there are copper core and they just happen to have the least resistance. Don't forget battery connections/posts-cleaning these helps reduce resistance as well. I don't know that eng, but find out if you have a chain or cam belt-if belt there are change intervals and that is pricey but not something you want to neglect on an interference engine especially.
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