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View Full Version : Question about speedometer and tachometer


rocksteady_racer
10-31-2007, 10:27 PM
I just bought a 91 240. I believe the speedometer and tachometer are both off by a about 1000rpm/10mph. When I rev the engine, it redlines at 7500 rpm which I know is not right for the stock motor (KA24DE). Plus when I'm on the highway it says I'm doing about 60 when I'm only doing 50. Is this a faulty gauge or do I have to replace the speed sensor? Thanks in advance.