Speedo is off at highway speeds and odometer doesn't add up
When I am driving at city speeds (0-50 mph) my speedometer is correct. But when I am any higher my speedometer is off by atleast 5 mph. So I mean if my speedo says 65mph I am really doing 70-73mph. Also I notice that my odometer is off by two tenths of a mile when I go exactly a mile ( so it equals .8 instead of 1.0) Any thoughts
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LSI 4cylinder or 3cylinder? engine. , all answer USA cars.
all answers now, are 3cylinder
did the odometer quiet too?
and in USA< connect any scan tool and see if VSS died.
the usa 96, 1.0L 3cyl has the VSS sensor in the speedo
and when the cable snaps, Speedo to transaxle flex drive cable.
the speed goes dead
the odometer goes dead
and Vss goes dead.
easy huh, if all 3 are dead.
but if speedo ONLY goes dead, that means ITS dead.
vss= veh.speed sensor. or MPH sensor.
You have a speed sensor in the transaxle which takes the place of a speedo cable. If the odometer works correctly, I would think the speedometer is faulty. If the odometer is also not working right, it could be the speed sensor.
If your odometer is working but you have no speedo check your connection at the speed sensor first. Is your Check engine light on?
If so check for speed sensor codes. if your odometer & speedo are both out your may be having a problem in your sppedo head which will require repair or replacement.
the sppedometer gets a signal from the vehicle speed sensor in the transmission. The speedo cluster then converts that signal nd sends it to the speedo & odometer and to the enine computer. I suspect you have a bad speedo head. Does the odomter record correctly?
Buy a used speeo on Ebay for a good price. Analog (needle) or digital (numbers)?