问：是什么导致燃料使用率不佳，动力损失，闲置，检查发动机灯以及现在奇怪的吹口哨噪音？我们替换了
Our car all of sudden started having acceleration issues, wouldn't go above 10 miles. The check engine light also came on. It also idles rough , has poor gas mileage, it also has been making a loud revving noise. We replaced the ignition coil pack, spark plugs, boots, crankshaft position sensor. After that the car would at least get up to normal speeds after revving up and shifting hard. We just replaced the ECM, the car went back to no acceleration. We also replaced the fuel filter. I don't know what to do at this point. The car is a 2005 saturn ion level 1.
My car has 189000 miles.
My car has an automatic transmission.
你好呀。ECU很可能是所有这些问题的根源。如果您最近更换了ECU，但不是由土星经销店重置或编程的，则可能是所有这些问题的原因。尽管ECU被出售给消费者，但通常需要“闪烁”或在经销商处进行编程，以确保它们与所有传感器以及车辆上的电气操作或监控系统正确通信。但是，其他燃油系统组件也可能mass air flow sensoror the fuel injectors themselves are damaged or simply need to be cleaned.
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