nobleone

1992 sc400 41,000 miles drove it back from florida to wis.speedo reading is off its reads 40 mph you are going 57mph.20 mph is 36mph.this was this the whole time. now the other problem.the trac off light and the check engine light will come on the same time.and go off the same time. any one got any ideas. thanks.it runs perfect other than that.