At idle the gauge can read anywhere from .7 to above 3 if I am correct.

When on the gas it should read above 3 always as far as i know.

My car at idle is usually at 2-3 and under acceleration always at 3+. It does dip down occasionally at idle below 2 if I am sitting in traffice long enough.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon