Started the car this morning and noticed around the perimeter of the tach a sweeping series of short lines about 1/8" apart. They came out of the base of the tach in a counterclockwise rotation and stopped near the 4K mark then gradually disappeared. What is this? Thanks.  |
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The car is letting you know to go easy on it as it warms up.
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No joke?
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Its true- the "red line" changes as your engine warms up.
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Quote: | Its true- the "red line" changes as your engine warms up. | I think it is true. I have noticed it too.
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Makes sense. What will they think of next....muffler bearings?
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550 Tach question