wanted to see, well my rpm's have been jumping a lil, making my car run shitty. i narrowed it down to my fuel line(im guessing thats why my check engine light has come on) but yeah, so i wanted to see how i can know what part of the fuel system is having the problem? if it is the fuel filter(gonna start with the most inexpensive) how would i know if that is the problem? if i take that out will it be obvious? with my fuel line: is it easy to follow? or does it go through places that it is hard to get to? i haven't seen leaks or anything, but fuel evaporates fast..so its kinda hard. i dont wanna buy one of those pressure checkers because thats about as much as it is for me to get a new fuel line. just lemme know on way to spots this problem please, so i can get my baby back out on the streets.
1985 BMW 528E
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The b0x that r0x