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What is the most common engine problem in Subaru?

Common Engine Problems in Subaru
The most common engine problems in Subaru vehicles include:
1. Stalling Caused by Faulty Fuel Pump
– One of the most common engine issues reported by Subaru owners is stalling caused by a faulty fuel pump. This issue was significant enough to prompt a 2020 recall.
2. Lineartronic CVT Reliability
– Subaru’s CVT (Continuously Variable Transmission) has shown problems with age, causing the engine to stall in extreme cases.
3. Head Gasket Issues
– Head gasket issues have been a common problem in Subaru engines, particularly in the 2001-2009 Subaru Forester, 2001-2009 Subaru Outback, 2006-2008 Subaru Impreza, and the 2006 Subaru Baja models. The Subaru EJ25 2.5-liter Boxer engine has experienced the most problems in this regard, with the gasket material used being unreliable.
4. Excessive Oil Consumption
– The 2012 Subaru Impreza has been reported to have issues with excessive oil consumption, making it one of the problematic model years.
5. Other Potential Issues
– Other potential engine problems in Subaru vehicles may include rodent damage to soy-derived wire coatings, malfunctioning brake lights, ignition fob issues, transmission problems, lower power, oil leaks, and faulty positive crankcase ventilation ,,,.
It’s important to note that while these issues are commonly reported, not all Subaru vehicles will experience them, and the overall reliability of Subaru engines can vary based on the specific model and year.

What year Subaru has a bad engine?

These engines were used primarily in the Legacy (1996 – 2004), Impreza (1998 – 2003), Forester (1998 – 2004), Outback (1996 – 2004) and Baja (2003 – 2005). These engines in particular have received a bad reputation for their lack of reliability.

How many miles do Subaru head gaskets last?

between 100,000 and 150,000 miles
The original head gaskets on a Subaru engine have a life between 100,000 and 150,000 miles. Most replacement head gaskets last just as long. Regular coolant replacement and thermostat replacement can help prolong Subaru head gasket life.

Which Subaru has least problems?

The Crosstrek, Legacy, and Outback are noted for their reliability, with low annual repair costs and infrequent severe repairs, while models like the Impreza, WRX, and Forester have more reported issues.

What year Subarus have transmission problems?

Subaru owners have complained about problems with the Lineartronic CVT transmissions and Subaru extended the warranty for cars from model years 2010 to 2018. Usage: 2010–current Subaru Legacy / Outback / Exiga / Impreza / Levorg / Forester / XV and 2015 Subaru WRX Premium and Limited Editions.

Which Subaru engines to avoid?

Subaru: 2.5-L turbo Four Cylinder
Subaru’s 2.5-L turbocharged engines, particularly those used in the Subaru Impreza WRX and WRX STI models, have been the subject of a class-action lawsuit. The engines have been found to overheat or malfunction, leading to power loss, stalling, and potential engine failure.

Which Subarus have head gasket issues?

A number of Subaru models are affected, however the most common failures include the 2.5 Liter SOHC engine used in the late 1999-2004, Forester, Impreza, Outback and Legacy.

What is the biggest problem with Subarus?

Here are some of the most common Subaru problems to look out for:

  • Damaged bumper.
  • Fast battery drain.
  • Dings and dents.
  • Broken fuel pump.
  • Starlink issues.
  • Cracked windshields.
  • Sudden unintended acceleration.
  • Electrical issues.

What fails on Subaru engines?

The Subaru 2.5 Turbo Engine is a reliable and powerful engine that has proven itself to be a reliable choice for many car owners. However, as with any engine, it is not without its faults. Common issues include oil starvation, coolant leaks, and head gasket failure.

What Subaru motors to avoid?

Subaru’s 2.5-L turbocharged engines, particularly those used in the Subaru Impreza WRX and WRX STI models, have been the subject of a class-action lawsuit. The engines have been found to overheat or malfunction, leading to power loss, stalling, and potential engine failure.

What year did Subaru fix head gasket issue?

2009
The problem is not the head gasket but rather the engine block. In 2009 Subaru started using a multi-layered steel cylinder head gasket for the Ej25 motor that reduced but did not eliminate the issue. In 2012 Subaru redesigned the engine to remediate this issue.

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