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#1
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good vacuum reading?
86 560SEL 96K
at idle in park @ approx 800 RPM vacuum reads about 17.5. actually it fluctuates up to 18 and down to 17 but mostly at 17.5 in D or R with parking brake set without foot on brake and RPM about 600 (hard to tell exact RPM by the dash guage) the vacuum drops to 15.5. same fluctuation up and down about .5 is that a good reading. is the two point drop when in gear normal?
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R Martin Dallas, TX (Addison) 86 560SEL, 128K |
#2
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Yes, a good reading on a CIS fuel system engine.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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