4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Speedometer measuring too slow

Old 07-09-2012, 01:04 PM
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Gurthang99
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Default Speedometer measuring too slow

My speedometer sticks at zero until I get passed 40mph or so. Once it is loose, it measures too slow.

Any advice?
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Old 07-11-2012, 03:17 PM
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Gurthang99
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Seems to get better after being in stop and go traffic for over ten minutes.

Thanks for the help.
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Old 07-11-2012, 03:30 PM
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kugzgt
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did your car ever have a speed cal installed for gears?
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Old 07-12-2012, 08:18 AM
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Gurthang99
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When I bought the car a month ago, it was completely stock. I have not made any mods to it other than replacing the shocks.
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