How To Fix Powertrain Fault Ford Fusion

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All cars have electrical components that work together to help power your car. These parts come in three main areas, however. The engine runs off of fuel and energy stored in gasoline, so it is not talking to the other two areas-the transmission and the differential or drive train.

The transmission takes the motor’s torque and sends it where you want to go, for example, by changing gears or sending the vehicle forward or backward.

The differential or drive train works with the transmission to give you more torque when needed and to take care of all of the back wheel spinning when starting or stopping or while cruising at lower speeds. This area also helps control vibration and fluid movement within the car.

When one of these three main pieces malfunctions, it can prevent the rest from working properly. It may even cause damage to the whole system! That is why it is important to be able to identify what part of your car is having issues and how to fix it.

If your car is experiencing slow acceleration or jerky starts, there could be an issue with the transmission. A bad transmission will create vibrations that are easily detectable through your dashboard equipment. You might also notice poor handling or clunking sounds coming from under the hood. If you hear anything clicking or grinding, then you know something is wrong.

In this article, we will look at some potential causes of a faulty transmission in the Ford Fusion and how to test and diagnose it.

Inspect the engine

The first thing you should do if your vehicle is experiencing hard starts or hesitation when driving is inspect the engine. This will require you pulling off of any accessories that are currently running, so make sure to start from a warm up before doing anything else!

If there are no symptoms while it’s idling then it’s not necessary to run other tests yet. However, once you get underway it could be because the engine doesn’t have enough fuel. Make sure both gas and battery cables are secure and test the tank by trying a quick pull-up.

Also check the levels in the tanks, this can sometimes indicate whether the car has ran out of fuel due to a clog or something more serious. If the level in the gasoline tank gets lower than 1/2 cup then the pump must be malfunctioning which would necessitate replacing it.

For the hydraulic oil in the power steering fluid, let it run down completely before checking for signs of contamination or foam buildup as these could indicate an internal leak. Also measure how much fluid there is, a good rule of thumb is one drop per minute for every 100 feet you drive.

If it seems like there isn’t enough fluid even after traveling several miles then it may need to be replaced, however this is very dependent on where you live and what kind of surfaces you typically travel on. We recommend talking to your local auto dealer about tips for changing the oil in your own car.

Inspect the transmission

how to fix powertrain fault ford fusion

In recent years, there has been an increase in power train failures for cars. A lot of these problems occur because people are not paying enough attention to their vehicle. If you notice your car is having trouble shifting or it feels like it needs more gas, then it’s time to do some research!

It’t very fun to spend money on repairs that could be prevented, but by doing your due diligence, you will help prevent expensive fixes later. Since we talked about how to diagnose engine issues earlier, let’s take a look at what goes into diagnosing potential power train issues with your Ford Fusion.

Just like with checking out if a check engine light is coming from the air filter, computer, or catalytic converter, this process can easily be done without taking your car anywhere unless you have expert equipment. Luckily, you don’t need too much experience to identify whether your power train is working properly!

Some things you might want to inspect include: fluid levels, white lines (this refers to material left over from burned up parts), and any damage such as cracks or breaks. While many vehicles now have warning lights to indicate when something is wrong, none tell you exactly why it is failing so sometimes you have to take them apart to figure that part out.

Since most engines have several different components, it is important to know which one to test when looking to determine whether your engine is healthy.

Look at the differential

how to fix powertrain fault ford fusion

The first thing you should do if your vehicle is experiencing excessive wheel spin or slipping when trying to start it is look at the differential gear set. Differentials are what get power from the engine transferred to the wheels. They can be solid, which are not able to turn, or hollow, which rotate and use fluid as lubrication.

Clutch differentials are usually solid and work by turning off and on to transmit power. As the name suggests, they come in a dry state and a wet state. When the clutch is depressed and being engaged, there is some fluid inside of it, but it does not move.

During starting, the clutch is disengaged and then re-engaged so that the liquid transfers and engages with the ring and ball bearings in the gears. If these do not have enough fluid in them, it will not engage properly and may cause excess wear and damage.

The fluid level in the differential needs to be checked during winter months, as cars may lose more fluid due to melted snow seeping into the area. You can test this yourself by using a toothbrush to pull out any fluid and see how much comes out. A machine oil like formula is the best one to check!

If your car has warning lights for poor performance, chances are it is telling you about the clutches. It is important to make sure that they are working correctly and that the fluid levels are adequate.

Isolate the problem to one of the sensors

how to fix powertrain fault ford fusion

The first thing you should do is determine if it’s the computer-control sensor or the air intake temperature sensor that has failed. You can test this by removing them both and seeing whether the car will still start, or not.

If it does then your diagnosis is done here! You have determined that it is indeed the sensor that has failed so now you must decide what to do about it.

You could try to fix it yourself, but only if you are very experienced in electrical engineering. There may be legal restrictions on working on cars as well unless you are trained in vehicle repairs.

We cannot say for sure how to correctly repair these things, so we would recommend getting it fixed at a professional garage instead. This way they can make sure everything is correct and safe before trying to work on the engine itself.

Replace the sensor

how to fix powertrain fault ford fusion

The first thing you will want to do is have your technician check to see if there are any codes stored in the vehicle’s computer system. If there are, they should be cleared before installing the new sensor.

By having this checked beforehand it helps prevent any damage done to the car while trying to diagnose the issue. Technicians can use tools like scan tool or engine computers to run tests for these sensors as well.

It is important to remember that even though the old one was working, it may no longer work due to being damaged during the fault diagnosis process. You also cannot assume that it will not fail at some point, so it is better to get a new one now rather than risk damaging the car further down the road.

Run a self-diagnostic test

how to fix powertrain fault ford fusion

One of the first things you should do if your powertrain warning light comes on is run a diagnostic test. This will require you to pull out all of the parts, so make sure you have done a full maintenance check before doing this!

Take a look at your dashboard display first. If it does not work or there are no warnings displayed, then move onto the next step.

Next, turn off your vehicle and locate the battery. You can use either a digital multimeter or voltage probe to perform this test. Use the same meter for both steps to get accurate readings.

To test the engine, open up the hood. There may be someone already opened it while trying to figure this thing out, so don’t close it unless you have checked everything else!

Once exposed, reach inside the engine area and touch the wires that connect with the battery. Make note of what color they are and whether they are connected or disconnected.

Now, using the exact same wire, try engaging the ignition. Does the engine turn over? If it doesn’t, disconnect the negative battery cable until it does and only reconnect it after you have determined why the car won’t start.

Run a diagnostic test on the ECU

how to fix powertrain fault ford fusion

If you are experiencing hard starts or hesitation when starting your vehicle, then it is time to do some investigating. The first place to look is in the engine control unit (ECU).

A computer controls every aspect of how your car functions; from fuel injection to air intake to ignition timing. In fact, most cars have several computers working together to make sure everything goes smoothly.

The ECUs for newer vehicles are more advanced than those of older cars, which may be the cause of the issue. An easy way to diagnose this problem is by using an application called “Car Diagnostics”. This free app can easily tell you what part of the ECU has issues, as well as whether it is trying to compensate or fix something else.

Run a diagnostic test on the engine control module

how to fix powertrain fault ford fusion

In fact, it is very important to do this before anything else! If you try to start your car and get nothing but crickets, that would be a good indication of something going wrong.

The Engine Control Module (ECM) is an extremely crucial part of your vehicle. It monitors all aspects of how your engine functions, such as air intake, fuel injection, ignition timing, etc.

If the ECM detects there’s bad fluid in the system or no fluid at all, it will not function properly. This could cause complete failure of the engine and/or driver fatalities due to poor performance.

Sadly, if the symptoms persist even after being corrected, then it is recommended to replace the ECM.

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