speedometer going crazy

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Aug 17, 2010 | 07:54 AM

CivicSi95

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From: earth

speedometer going crazy

my speedometer will sometimes read the correct mph, sometimes go all crazy, and sometimes just stay on "0." any ideas on what i need to look for?

Aug 17, 2010 | 08:22 AM

donut.

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From: Los Angeles

Re: speedometer going crazy

The VSS is typically the culprit. Try replacing it with a known working unit.

Aug 17, 2010 | 08:42 AM

Green Crack

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From: Cloud Nine, Utah

Re: speedometer going crazy

When my alternator was going out it did this as well, i would test voltage at the battery when the car is running if it's at 14+ then there's a good chance that it's the VSS.

Aug 17, 2010 | 08:53 AM

Former User

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Re: speedometer going crazy

Any CEL codes?

Aug 17, 2010 | 08:59 AM

CivicSi95

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From: earth

Re: speedometer going crazy

Quote:

Originally Posted by RonJ@HT

Any CEL codes?

Aug 17, 2010 | 10:41 AM

CivicSi95

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From: earth

Re: speedometer going crazy

i have a jdm b16a swap, do i buy a speed sensor for a 99-00 Si or do i stay with a 95 Si speed sensor?

Aug 17, 2010 | 10:45 AM

Former User

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Re: speedometer going crazy

If you don't have a CEL code, then the speedo is more likely to be the problem.

speedometer going crazy

speedometer going crazy

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