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当前版本: George ,

标题:

RPM varies while driving

文本:

While driving at 60 mph the engine rpm will jump up a couple hundred rpm then drop back down. It will do that constantly.   What might be causing it?

设备:

1997-2003 Ford F-150

状态:

open

已接受的回答:

426571

原帖由: George ,

标题:

RPM varies while driving

文本:

While driving at 60 mph the engine rpm will jump up a couple hundred rpm then drop back down. It will do that constantly.   What might be causing it?

设备:

1997-2003 Ford F-150

状态:

open