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CORONA hesitation on acceleration and low power
I have 1994 model Toyota Corona 2.0 GLi that has 3S-FE motor, my problem is hesitation at low rpm like 800-3000 during acceleration, when there is no load on the car everything is fine, however, as soon as the car starts to move the problem arises. It was not disturbing when the problem started to occur but now, it jerks the car seriously. The problem happens randomly not all time, and it is the same for all motor conditions, hot or cold. Also I fell that the engine lost its power, it's not as strong as it was. By the way, my car has a lpg system so the problem is not related to fuel system or injectors since the problem occurs both lpg and gasoline. Any help is appreciated.
There is no qualified service that has been able to solve the problem, in my country so I really need your helps.
I have checked these
-No diagnosis error, controlled with a computer diagnostic tool.
-Spark plugs, wires, ignition coil have been changed.
Last edited by Erdi Erdoğan; 06-16-2018 at 12:45 PM.