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My Mazda Protoge 5-2002, automatic transmission drops out of overdrive at 120 kms per hr. Revs go up to 6,000 rpm. Road speed comes down and shifts into drive. On slight acceleration it shifts back into overdrive. At 110 km/hr, car works fine. Any ideas? Could it be speed sensor?

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This is an improper reading from the input speed sensor.

Posted on Aug 25, 2010

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Hi I have my transmission of mercury mystique 1995 ,it shift from gear 1 to 2 easily and from 2 to 3 easily but when the car speed close to 80 kms/hr it start to shout and the engine speed jump to 4000 RPM...


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