The boxer engine features pistons that move toward each other in a horizontal fashion. The movement of these pistons look like boxers throwing punches, which is how the engine name came to be. Because the movement is in opposition to one another, they counterbalance each other, resulting in a more balanced and smooth ride.
So while there have been a few Subaru boxer engine problems reported, the automaker is committed to this engine and continuously improving it for future models.
Some of the most expensive repairs an owner can deal with are engine issues. There can be several issues that may affect a vehicle that may be labeled as an engine problem. Below are the most common engine issues Subaru owners have experienced. In April , Subaru issued a recall for more than , Subaru vehicles, to include some of its more popular models like the Ascent SUV, Impreza hatchback and sedan, Legacy sedan and the Outback wagon, that were manufactured between June through February The culprit is a faulty fuel pump which can cause the engine to stall.
This faulty fuel pump can become more of a safety issue if the engine stalls while in motion, with the potential to cause a crash. Some symptoms include the vehicle running roughly, or possibly shaking and loud noises coming from the engine area. These would result in the Check Engine Light illuminating. Per the recall, Subaru will replace the fuel pump.
In , Subaru recalled more than , of its models in the U. According to reports, the computer unit was incorrectly programmed, causing it to continue to power the ignition coil even after the motor had been shut off. This increased temperature could cause a short circuit or a blown fuse, resulting in a sudden power loss and the inability to start the engine. The models affected were Imprezas, model years , , ; and the Crosstrek, model years and Subaru will address the issue by updating the computer software and replacing the coils and fuses required.
In , Subaru issued another recall for more than , vehicles to address a faulty PCV valve that could cause the engine to lose power while in motion. The PCV valve is an emissions component that helps keep pollutants created by the engine from being released. It also helps to keep the engine clean and prevent crankcase pressure from building up. A telltale symptom includes increased tailpipe exhaust that is blue or gray in color.
As part of the recall, Subaru will replace the faulty PCV valve, and if necessary, take care of any other damage that may have resulted from this faulty part, to include replacement of the engine if necessary.
Models that were affected are listed below. In , Subaru issued a recall to replace a valve spring fracture that could lead to engine noise, malfunction and possibly even engine stalling. This might cause the overheating in the windshield wiper motor. The issue is said to affect to models of the Legacy and Outback. A replacement ignition switch that was previously installed in the affected cars may have a ball spring which is prone to long-term wear.
It may also break due to fatigue. In this situation, there would be an increase in the amount of brake pedal travel distance and foot pressure required to slow or stop the vehicle. The issue affected several car models. The radio would also automatically turn on at high volume even if the radio was turned off the last time the car was turned off.
They've been producing vehicles since and they've definitely carved out a niche for themselves as a favorite for a certain segment of drivers.
Their boxer style engines are actually preferred by a number of drivers. Some Subarus have had serious issues with their head gaskets, and Subaru has also had to recall a number of models because of engine problems. Let's take a look at which Subarus have been subject to some serious concerns, and which ones you should definitely avoid if you're in the market for a new vehicle. Specifically, these engines have been susceptible to leaking head gaskets and it was such an ongoing issue that it almost became a joke amongst mechanics.
The issue cropped up in the s and simply wouldn't go away. Generally speaking, when an automaker becomes aware of a problem, especially one in the engine, it might last for a few model years until they get the problem worked out. For whatever reason, Subaru is just not able to overcome this issue and kept it going for far longer than it should have. Repairing the head gasket in your engine is not a cheap job by any means.
When it became as notorious as this issue did for various Subaru models featuring the 2. Head gasket issues were present in Subaru models, in particular the Subaru Impreza from until , the Subaru Legacy From until , the Subaru Outback from to , and the Subaru Baja from until Subaru Foresters made between and also suffered this issue.
The most recent recall that Subaru has put into place for its engine issues was in April of At the time, Subaru said they were unaware of any crashes or injuries that were related to the issue, and they were trying to get ahead of it before something worse happened. The problem did bring with it the increased risk of a crash if it happened while you were driving, and if it occurred while the vehicle was parked it could render it unable to start.
In October of the Subaru recalled over , vehicles in the US. The recall was to fix problems with the engine computer and a problem with debris that could fall into the motor. The first recall the issue was for , Impreza is made from the year through as well as cross tracks from and According to the recall, the engine computer has the potential to keep powering the ignition coil even after the motor was shut off. That could lead to a short circuit and blown fuses.
The fix that they proposed was for dealers to update the software and replace both the coils and front exhaust pipes if it was necessary. However, it has several trouble spots such as transmission, a climate system, power equipment, and in-car electronics.
The CoPilot app is the smartest way to buy a car. Are Subarus reliable? Subaru owners have consistently reported that their vehicles have unusually high oil consumption.
Although there was no recall about this particular issue, a class-action lawsuit has been filed claiming that models like the Outback, Impreza, and Forester are consuming high amounts of oil despite normal usage.
The vehicles that are affected are Forester , Outback , and Impreza , The faulty head gasket is one of the most common problems of Subaru and was quite damaging due to engine oil leaks. This defect was not only widespread but lasted for about five years and two rounds.
The faulty head gaskets suffered from leaks that occurred between the cylinder head and engine block, causing the oil or coolant to leak. Apparently, the coating used for the head gaskets succumbed to wear and tear at , miles. The problem was so bad that it forced Subaru to extend its powertrain warranty.
How long do they typically last? The Outback is an amazing outdoor companion, thanks to its standard all-wheel-drive, high safety ratings, and stellar reliability. Consumer Reports rated the Outback with a 5 out of 5 predicted reliability rating.
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