u/According_Bus_7330

Hello family, just need a little inside help, wondering if anybody experienced this possibility? Should I start with fuel Injector P.E.A cleaner or walnut blasting just don't want to get rip off at the dealer thank you sigh car have 136k

Where should I start fuel injector cleaner or walnut blasting ? Car have 136k I don't want to get rip off at the dealer thank you fam