问：进气流泄漏。是什么使这种情况发生？

改变了机油。启动汽车，检查发动机灯一直保持着。去自动区获得了P0171代码。断开的正电池电缆。R和R MAF传感器。拆除了一个月大的空气过滤器，用空气吹出。用空气吹出空气滤清器。安装的空气过滤器。连接的电池电缆。开始汽车。 check engine light stayed off. went to store one mile away. locked car with remote. came out of store half hour later, tried to remote start car. would not. said oh crap. started car with key and engine light stayed on. went to auto zone checked for codes and was told car had an air flow intake leak. double checked r and r ing air filter. saw not problems. checked hoses and connections and saw no problems. did not disconnect battery when r and r air filter for the last time. engine light still on. help sam. thanks. .

我的汽车有55200英里。
我的汽车有自动变速箱。