Just sharing my experience.
During my four year ownership of brick I replaced many parts like timing belt water pumps struts calipers etc etc .. Only few of these jobs have given me real warm feeling of happiness and accomplishment, that was may be due to their value for money ratio or they were the resolution to some long standing issue.
Top on the list is tail gate shocks,if you are waiting on this one then do it right away as you will thank yourself every winter and also enjoy the slow rise of tail gate whenever you open it. Second on the list is this thin vacuum line which goes to charcoal canister, it always looked strong and shiny to me and that feeling sabotaged my numerous attempts to find a vacuum leak, it was twisted at the worst possible location , a 1/4" ID fuel line replaced it. A good idea I think is to suck on such lines . Lower on the list is the chance discovery of a leaky injector which made me quite happy.

I know people here do much complex builds and repairs but the most accomplished also might have had such experiences, please share yours.

Regards
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DD-1990 240 DL SW M47II FI 3.1 234 K miles