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Old 05-04-2000, 02:28 AM
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The economy gauge needle on my 85 500 sl euro is mostly in the red at the right side of the gauge. Very little needle movement. Perhaps 1/8 inch. Tranny seems to shift late too, although recently O/H. No obvious vacuum leaks. Also car is hard starting sometimes needing 5 to 8 seconds of fast cranking to start. New plugs & wires. Do smell a slight fuel odor but no visible leaking. Compression OK.
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Old 05-04-2000, 07:33 AM
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You mentioned that there is no vacuam leak, but the rest of your paragraph STRONGLY suggests that you do have a vacuam leak. Have you put a vacuam guage on to verify that there is no leak?

If you haven't used a test guage yet, I believe that you need to do that. If the vacuam is low, say 15" or less at idle. You need to start the search for your vacuam leak. I expect that the leak is significant if it is effecting your transmission modulator.

Good luck,

Larry Bible
'84 Euro 240D, 516K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles
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