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- There are lots of internal moving parts on an internal combustion engine that can fail. They’re serious problems that are costly at best and may result in complete engine failure. Unfortunately, the WRX and STI engines haven’t earned the best reputation for internal strength. However, it’s rarely a problem on completely stock engines.
tuningpro.co/subaru-wrx-reliability-common-problems/Subaru WRX Reliability & Common Problems - Are They Reliable?
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- Second Generation Subaru WRX
- Second Generation Subaru WRX Facelift
- Third Generation Subaru WRX
- Fourth Generation Subaru WRX
The first version of the WRX available here in the United States came with the model year 2002 Subaru Impreza. This is the second-generation Subaru Impreza and the first design of three throughout the generation. It is known as the “bug-eye” due to its round headlights. The bug-eye WRX has a 2.0-liter turbocharged boxer four-cylinder engine, known ...
The first major change in the U.S.-delivered variants of the Subaru WRX came with the facelift of the 2004 Subaru Impreza. While the front-end redesign is substantial, the biggest change here is the addition of the STI model to the WRX. The STI is the more track and/or racing-oriented version of the WRX. The STI has more aggressive suspension, more...
The third-generation WRX finally arrived with the model year 2007 Subaru Impreza. Meant to be more mainstream and user-friendly, the WRX grew a bit in size and lost a little bit of its raw driving feeling in place of more comfortable everyday suspension. The third-gen WRX retains the EJ25 from the previous gen. In 2007 and 2008 models, the WRX has ...
Just like with the last generation, the WRX took a turn to more run-of-the-mill standards with the 2015 model year. However, the WRX and WRX STI became their own model, dropping the name Impreza. Though they share the platform with the standard Impreza, the WRX and WRX STI have a much more aggressive styling outlook. However, the biggest shift for ...
Oct 23, 2023 · It’s crucial to note that not all WRX models will have these issues, and individual results may vary. However, based on owner input and identified issues, the following are some common issues with Subaru WRX models: Head gaskets might fail and cause engine problems; Rough running due to faulty oxygen sensors
Feb 26, 2022 · One major issue drivers have cited with the Subaru WRX is internal engine failure. An engine’s many moving parts can become costly to replace or repair. The WRX doesn’t have the best reputation in this area, according to owners. The model’s known weak points include pistons, rods, piston rings, and rod bearings.
- Head Gaskets Might Fail and Cause Engine Problems. The WRX has an aluminum head that helps to cut down on engine weight. Unfortunately, aluminum heads are prone to damage when the engine compartment gets hot.
- Rough Running Due to Faulty Oxygen Sensors. Oxygen sensors perform the very important task of measuring the amount of oxygen that goes into the combustion chamber and helps to optimize the power, performance, and fuel economy of your WRX.
- Bad Camshaft Seal Threatens Engine Integrity. The camshaft performs a very important of opening and closing valves in time with the engine. When a camshaft fails the engine will run poorly and might fail completely.
- Cooling System Problems Make Owners Steamed. The cooling system on your WRX is critically important for ensuring a smooth-running and long-lasting engine.
Oct 31, 2014 · My engine failed and required a tow to the dealership. They said my #3 cylinder did not receive enough oil and caused a significant amount of damage. I'm far from a mechanic and am looking for advice.
Sep 15, 2021 · Engine issues: Apparently, the WRX had some troubles with internal engine issues. Some of the weak points of the internal engine that tend to fail are the rods, rod bearings, and piston rings. However, this seems to be more of a concern for tuned and modded engines, which is typical for the WRX.
