Reply With QuoteCheck the wires first, if you cannot see anything wrong, remove the speed sensor and check that one.
Sometimes just cleaning helps.
Details here
Major Contributor
My speedometer is crazy
Yestarday when pulling away from a light in heavy traffic, twice the speedometer just shoots up to 40-80 mph. Then it goes back to normal once I pick up some speed (only occurs when I am starting from dead stop). It doesn't happen each time, occured only twice yestarday.
Super Moderator
lokks like the speed sensor is the problem
Check the wires first, if you cannot see anything wrong, remove the speed sensor and check that one.
Sometimes just cleaning helps.
Details here
Grand Master
or, could u be driving on snow and spinning your tires?
hehehehe =]
Major Contributor
No, that kind of speedometer error usually occurs only on empty parking lots with a heavy foot-no snow here. =]
Just glad to find out that this is not caused by my instrument cluster.
Originally Posted by shogun
If the sensor is bad it will also effect the cruise control operation.If cruise works OK might want to look into the speedo itself.
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