2012 Subaru Wrx sti problems

General information about Subaru-Wrx sti
Overview of popular issues
Analysis of common problems
Сomplaints list
Recalls list

The Subaru WRX STI is a variant of the Subaru WRX sedan produced by in-house tuning company Subaru Tecnica International between 2014 and 2021. It succeeded the Subaru Impreza WRX STI. The VA WRX STI was the last vehicle produced with the famous EJ257 engine. Production of the WRX STI may resume production in the next generation (Presumably codenamed VC) WRX, however there are currently no plans for a VB WRX STI. STI also offers many factory-backed accessories usually available from dealerships, and accented in STI's signature cherry blossom, a tribute to the iconic tree of the same name from the brand's homeland of Japan.

First Generation (VA; 2014-2021)

The VA WRX STI was released in 2014 alongside the VA WRX. It featured uprated brakes, the famous Subaru Technica International tuned EJ257 4-cylinder engine, an uprated 6 speed manual transmission, along with a unique body kit and spoiler. Interior upgrades include an STI-exclusive gauge cluster, shifter knob, and other unique touches, including Recaro bucket seats in certain models. The WRX STI for the most part featured a red accented interior, over the WRX's black and grey.

Starting with the MY2016 update, the WRX STI gained fluorescent green brake callipers, which was a hit among the Subaru community, and is now an easy identifier of the WRX STI.

In 2020, Subaru announced they would be phasing out the WRX STI along with the EJ257, the last variant of the ageing EJ engine, with the release of the VB series WRX in 2021. Subaru introduced the STI WRX EJ25 Final Edition, based on Subaru's flagship STI Spec R. The EJ25 Final Edition features a range of upgrades including BBS 19” gold forged aluminium wheels, silver Brembo calipers, black door mirror covers, front grille pinstripe in STI cherry blossom, Final Edition engine cover plate, and numbered EJ25 Final Edition badge. Only 75 were produced for markets across the globe.

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Common 2012 Subaru Wrx sti problems

The Subaru WRX STI 2012 is known for several common problems that owners have reported. These issues are primarily related to the engine, transmission, and airbags.

Faulty Oxygen Sensors and Rough Running: Another common issue with the Subaru WRX STI 2012 is faulty oxygen sensors, which can cause rough running and poor performance. This problem can be resolved by replacing the faulty sensors, but it's essential to address it promptly to avoid further damage to the engine.

Bad Camshaft Seal: A bad camshaft seal is another common problem with the Subaru WRX STI 2012, which can lead to oil leaks and reduced engine performance. This issue can be resolved by replacing the faulty seal, but it's essential to address it promptly to avoid further damage to the engine.

Transmission Issues: Some owners of the Subaru WRX STI 2012 have reported transmission issues, including difficulty shifting and rough gear changes. These issues can be caused by worn-out synchronizers, damaged clutch components, or other transmission-related problems.

Recalled Takata Airbags: A large number of Subaru vehicles, including the WRX STI 2012, have been recalled due to dangerous airbag inflators made by Takata. These inflators have been recalled in over 37 million vehicles due to the risk of shrapnel-hurling, which can cause severe injuries or even death.

Oil Lubrication Problems: Some owners of the Subaru WRX STI 2012 have reported severe problems with oil lubrication to the bearings and crankshafts, which doesn't create enough lubrication to properly protect the engines from problems. This issue can lead to engine damage and reduced performance, and it's essential to address it promptly to avoid further damage.

When buying a used Subaru WRX STI 2012, it's essential to look for signs of these common problems. Check for oil leaks, smoke from the exhaust, knocking noises from the engine, whining from the turbocharger, and hesitation, miss-fires, or a lack of power under load while on the test drive. Also, be sure to check the oil level and quality and that there is no traces of oil in the coolant. Check for any recalls related to the airbags and ensure that they have been addressed promptly. Proper maintenance, including regular oil changes and inspections, can help prevent these common problems and ensure the longevity of the vehicle.

Is the 2012 Subaru STI a good car?

2012 wrx sti limited

Limited has nice options compared to past years (leather seats, moon roof). The navagation/radio unit option is 100% better than previous years. Performance is as expected very good performance and speed. For the price this is a hard car to beat.

How long do WRX STI engines last?

WRX and WRX STI: The Subaru WRX and WRX STI are high-performance sports sedans known for their powerful engines and agile handling. Despite their sporty nature, WRX and WRX STI models can still provide long-term reliability, lasting 150,000 miles + with proper maintenance and care.

Is the Subaru WRX STI reliable?

The Subaru WRX STI is a classic car. Unfortunately, we would not recommend even the most reliable versions, thanks to the expensive repairs required. Subaru is a solid manufacturer, but the WRX STI isn't necessarily their strong suit. If you want the car for its classic standing, go with the best years available.

What year of Subaru WRX STI is the best?

The 2000-2002 and 2008-2016 versions are the worst on the market. There are some quality years available for the Subaru WRX STI if you're determined to invest in this vehicle. We recommend the 1992-1999, 2004-2007, or 2017-2022 selections for the best results.

Is the 2012 Subaru STI a good car?

2012 wrx sti limited

Is the Subaru WRX STI reliable?

What is the problem with the 2012 Impreza WRX?

Owner Reported Trouble Spots

Exhaust. Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks. ...
Transmission Minor. ...
Climate System. ...
Transmission Major. ...
Engine Electrical. ...
Brakes. ...
Engine Major. ...
Paint And Trim.

How long do WRX STI engines last?

2012 Subaru Wrx sti car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Subaru Wrx sti problems, we found that the most common problems with these 2023 model year vehicles are:

Unknown or other problems

The graph below shows statistics for all 2012 Subaru Wrx sti vehicle components and the number of complaints received.

2012 Subaru Wrx sti complaints

The NHTSA has received 1 complaints about various vehicle components related to the 2012 Subaru Wrx sti.

2015-06-11

UNKNOWN OR OTHER PROBLEM

Date Of Incident: 2015-01-05
VIN: JF1GR8H61CL
Components: UNKNOWN OR OTHER
Summary: THE DOOR LOCKS DO NOT WORK USING THE SWITCHES ON THE DOORS, ELECTRIC OR MANUAL SWITCH! THE ONLY WAY TO UNLOCK THE DOORS IS TO REMOVE THE KEYS FROM THE IGNITION AND USE THE REMOTE. IF I GOT IN AN ACCIDENT AND WAS UNCONSCIENCE, THIS WOULD TRAP ME IN THE CAR.

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2012 Subaru Wrx sti recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 2 recalls for different components of the 2012 Subaru Wrx sti.

2014-12-31

Manufacturer: Subaru of America, Inc.
Components: SERVICE BRAKES, HYDRAULIC
Summary: Subaru of America, Inc. (Subaru) is recalling certain model year 2008-2011 Impreza, 2008-2014 WRX and STI, and 2009-2013 Forester vehicles, currently, or formerly, registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and the District of Columbia that were remedied under recall 14V-311 prior to December 23, 2014. The brake lines may experience brake line corrosion due to salt water splashing on the brake lines through a gap in the fuel tank protector.
Consequence: Brake fluid may leak due to the brake line corrosion and may result in longer distances being required to slow or stop the vehicle, increasing the risk of a crash.
Remedy: Subaru will notify owners, and dealers will apply an anti-corrosion wax to the four-way joint connector area of the brake line system, free of charge. The recall began on January 27, 2015. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQQ-52. Notes: This recall is specific to affected Forester, Impreza, WRX, and STI customers who had their car remedied under NHTSA recall no. 14V-311 prior to December 23, 2014. Subaru has determined that this remedy was inadequate due to incomplete repair instructions provided to dealers. Affected Forester, Impreza, WRX, and STI vehicles that were not repaired under NHTSA recall no. 14V-311 prior to December 23, 2014 will continue to be processed under NHTSA recall no. 14V-311. Affected vehicles not currently, or formerly, registered in the salt belt states identified in this recall are eligible for repair, at no cost to the customer, upon request.

2014-06-10

Manufacturer: Subaru of America, Inc.
Components: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Summary: Subaru of America, Inc. (Subaru) is recalling certain model year 2005-2009 Outback and Legacy, 2008-2011 Impreza and 2008-2014 Impreza WRX/STI, and 2009-2013 Forester vehicles, currently, or formerly, registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and the District of Columbia. Salt water could splash on the brake lines through a gap in the fuel tank protector, resulting in excessive corrosion of the brake lines. Note that affected vehicles not currently, or formerly registered, in the salt belt states identified above are eligible for repair, at no cost to the customer, upon request.
Consequence: Brake line corrosion may result in brake fluid leakage. Fluid leakage may result in longer distances being required to slow or stop the vehicle, increasing the risk of a crash.
Remedy: Subaru will notify owners, and dealers will test the brake system by depressing the brake pedal and inspecting for brake fluid leaks. If no brake fluid seepage is observed, the affected areas will be rustproofed with anti-corrosion wax. If brake fluid seepage is observed, the brake lines will be replaced followed by rustproofing with anti-corrosion wax. These services will be performed free of charge. The recall began July 2014 and second notifications will run through November 2014. Owners may contact Subaru at 1-800-782-2783. Subaru's recall campaign number is WQK-47. Note: This recall supersedes recall 13V-110 which applied to certain 2005-2009 Legacy/Outback vehicles. Vehicles that were remedied under the previous campaign still need additional areas rust-proofed.

Additional sources

More sources of information about 2012 Subaru Wrx sti problems:

2012 Sti Common Issues?? - NASIOC

https://forums.nasioc.com/forums/showthread.php?t=2761165

Nov 27, 2015 ... I'm going to be trading in my 07 WRX. Also what should I be looking for when I go to look at the car? anything out of the norm. Any help will be ...

2012 subaru STI Engine problems | IW STi Forum

https://www.iwsti.com/threads/2012-subaru-sti-engine-problems.265180/

Dec 26, 2013 ... These engines are really luck of the draw and it also has alot to do with the way them are driven. Occurrences like yours can happen to any wrx/ ...

2012 Subaru Impreza WRX. I got from Vroom 115,000 miles :D What ...

https://www.reddit.com/r/WRX/comments/zdhjek/2012_subaru_impreza_wrx_i_got_from_vroom_115000/

Dec 5, 2022 ... So from owning 3 hatches (2010 WRX, 08 sti and now an 11 sti) I'd say get a compression test first thing. Want to ensure your head gaskets are ...