Question about 1991 Toyota Corolla
The first things to check are the air filter and the oxygen sensor, which are regular maitenance items and can cause your exact problem. Make sure that you do not have any vacuum leaks. If changing/checking these items does not solve your issue, then the following sensors may also be the problem: Throttle Position Sensor, Air Intake Temperature Sensor, Engine Coolant Temperature Sensor. Make sure your tires are properly inflated and that the brakes are not dragging, icluding the emergency hand brake. If nothing else seems to help, check the fuel rail pressure to insure proper operation of the fuel pressure regulator.
Posted on Mar 21, 2011
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Posted on Jan 02, 2017
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