190E 2.6 (201.029) L6-2.6L (103.942) (1987)
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6
Connect vacuum tester to vacuum element (37) and evacuate with tester to approx. 400 mbar vacuum.
1st version
7
On 1st version, check whether stop screw (51) rests against vacuum element (37). Simultaneously, the blend air flaps (noticed by the air
coming out of lateral outlets at the right, arrow) must be closed. Adjust stop screw (51), if required.
