If this were the case, there would not be any movement whatsoever from the vehicle. If you’ve broken a drive/axle shaft, your Ford Expedition ‘s transmission has no way to turn the wheels anymore. If the torque converter has gone bad, it will no longer be able to do this job. The torque converter is responsible for taking the mechanical power of the engine and converting it into hydraulic power. This is the number one cause of not accelerating but the RPM’s Go up. You should check the transmission fluid immediately. The power goes to the torque converter, and that’s the end of the line. If your Expedition is too low on transmission fluid, it’ll will no longer be able to transfer power to the rear wheels. Here are the most common cause of acceleration with the RPM’s going up: This is typically a transmission related issue. Somehow, the power that your engine is creating is not making it to the rear wheels. If your Expedition won’t accelerate, but the RPM’s go up it’s usually not going to be an engine related issue. They can provide valuable insight as to what the problem may be, and really help you narrow down the problem.įord Expedition Won’t Accelerate: RPMS Go Up There is a section for each scenario with likely causes for each.īefore looking into anything else, if your check engine light is on, get a code scanner and see what trouble codes are stored in the computer system.
Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There are a lot of different reasons that can cause this. If your Ford Expedition won’t accelerate, that is a serious cause for concern.
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