5 hrs of surgery
replace the black hoses on right TVV switch.
They were hooked u p ok with EGR on straight temp controlled p[ort except my valve is installed backward...straight side on outer side not inner side as in diag.

Ran a new egr line so thats all new.
Got all vac hoses changed & tightened except ones to/from under throttle body & don't have access to.

Went well as w the hairdryer no broken plastic posrts

Yeah.

Now still need to know where & what that black can is & where it goes.

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83 500 SEC Euro 198K