Question about 1991 Toyota Supra
Does this trans have a throttle valve cable?, if so it may need to be re-adjusted, it controls when the trans shifts based on the throttle position, if it doesn't have this type of hydraulic control you may have an issue with one of the sensors that controls the shift points, a common issue is the throttle position sensor (TPS) and the MAF/MAP (Mass Airflow Meter) sensor, have you had a trouble code test run to see if any codes are present? if not Kragen does it for free as well as others like Auto Zone, let me know what u find and I will make every effort to help u figure this out.
Posted on Dec 09, 2008
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Posted on Jan 02, 2017
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