Engine reving high and shuders at low speeds somtimes i have allready changed the butterfly valve on the inlet manifold without any improvement.

My Swift starts and works properly as long as I don't start driving it fast, or else oscillations appear as well as a power loss. Sensors, coils, wires and spark plugs have been changed but it did not respond any better. It was then thought some air might be leaking through the intake manifold, and the cylinder head gasket was serviced because some oil had started to be burnt. The gasket and valves were replaced and all the leakages were removed. After that, the vehicle sounded smoother but still, when starting after being stopped at a traffic light, it does not respond as it should; I need to… Vollständig lesen