190e vacuum issue
 

My son's 1992 190e 2.6 has a slight idle issue once the car warms up.
anc
It seems more like a vacuum problem than a miss.

Coincidentally his trunk lock vacuum is not working.

Is it possible that this vacuum issue is causing the idle issue.

We can't seem to find any other vacuum leak... and the plugs and rotor have been replaced per normal maintenance

More likely the miss is causing the vacuum issue.
Cap, plugs, SP wires are the most common issues.

C locking system has it's own pump in the trunk & has no bearing in the engine operation.

maybe we will try to change out the plugs first..... i think i put autolites in....