what should economy gauge read at idle?

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what should economy gauge read at idle?

06-13-2001, 02:45 PM

sixto

smoke gets in your eyes

Join Date: Jun 2000

Location: Eastern TN

Posts: 20,851

I have a W126/91 300SE. The economy/vacuum gauge is about 1/4 swing from max economy/vacuum at idle. It swings out a little more if the AC compressor is on. I can cruise on the freeway with a higher economy/vacuum reading. Does this mean anything?

Thanks,
Sixto
91 300SE

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