why does my speedometer go doulble what im realy doing

Asked by outlaw6 Jul 08, 2013 at 04:07 PM about the 1990 Pontiac Grand Prix 2 Dr Turbo Coupe

Question type: General

why does my speedo read 2 times speed im going

3 Answers
85

Rachel answered 11 years ago

I would check and make sure the speedometer cable is still working properly,and have you recently bought new tires?Sometime with tires that are taller or wider can cause the speedometer to read differently.

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Dorian answered 11 years ago

Make sure the speedometer is not set to km/hr

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10

Karl answered 10 years ago

I don't know this happen , reset to mph and it worked fine, thanks Dorian , what did we do befor google , lol

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