All right, sometimes my car runs badly and I may have narrowed my problems and I need help to know if it has sense.
The car is a 1986 240DL N/A B230f with (I guess) LH2.2
Onto the ignition module under the hood there is a vacuum line connecting to a vacuum sensor of some kind. While the engine was running I unplugged it and felt very, very low vacuum if I compare to ANY other vacuum line in my car... Can it cause a problem if so what would it be and mostly do i need to run a new vacuum hose?
Second the throttle position switch, I hear it click when I gently turn the throttle body so I guess the injection cpu knows when NOT to idle but I don't hear it clicking when going for WOT; should I and can it be broken?
Third, when I open the oil cap on top of valve cover what kind of odor should I expect? I mean mine smells a little like gas and I am not sure wether it is normal or not... What can it be and mostly how do I fix that?
And just for info; what purpose does the vacuum line on the fuel pressure regulator serves?
Thank you all on this site for making my car run over and over!!
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