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08-05-2015, 11:53 AM
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My yaris sedan was surging if accelerate in low to mid RPM.
In high RPM it is absolutely fine. After cleaning the Valve timing controler selenoid and change the oil to the 5w-30, sudenly the problem disaper. So it must be the camshaft in forward position witouth being able to retard in low RPM due to the selenoid is stuck. Thats explain, why the high RPM is fine. |
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