Your email address will not be published. The Subaru FB25 engine has a plastic intake manifold with reshaped branches to minimize pressure losses resulting in increased power. AWD standard is a huge selling point. Roller rocker arms actuate the valves, which were valve lifters for the previous EJ253. Nice car, but terribly expensive maintenance. There are again non-turbo and turbo versions. Subaru has an excellent reputation for reliability, but there are always issues to be aware of, and the EJ is no different. We wont hold carbon build-up against the FB25. It has direct injection technology, a mechanical fuel pump, and asymmetrical connecting rods., Engine Works states: In comparison with the EJ25, the FB25 is more responsive at low speeds. Again, this is under a TSB from Subaru. Subaru Engine Problems Everything You Need to Know When it comes to these unique boxer engines, the heavyweight of the group is the 2.5-liter four-cylinder. H\Qk@>{oHm Q)-='\f&w6pMpplYk9ce Both the intake and exhaust camshafts are equipped with a variable valve timing system AVCS. The EJ25 will soon be discontinued, with the current WRX STI being the last model to receive it. Purchased my 2011 Forester used from dealer in 2016 with ~82000 miles. According to Subaru it was well within parameters for this much oil to be consumed. So far, the FB25 is looking to be a reliable engine. This performance car is powerful and fast. Traditional port fuel injection sprays fuel into these intakes ports. Reliable. If that happened every could enter the engine and lead to serious damage including power locks. Furthermore, the wirings, connectors, terminals, sensors, fuses, spark plugs, and control modules, among others, will also have to be tested for their quality, and any malfunctioning part should be replaced immediately. If you experience any of these, it is best to have your Outback checked by a qualified mechanic as soon as possible. One of the signature boxer engines of Subaru that made it to the Outback is the 2.5L engine with the designation FB25. I think it is the most fun car I have driven. Often, the consumption itself is the only symptom. If your cylinder block is Boxer four-cylinder. i have a 2002 Forester with the EJ251 that is just about to hit 260K - headgaskets were done long before I got it, supposedly around 85K mark.. run Language links are at the top of the page across from the title. Its possible for engine oil to drip onto hot parts and burn off. The Subaru FB25 engine has longevity that will contest even the EJ25 engine. Ignition Cylinder Replacement Cost: What You Should Expect. Repairing the head gasket in your engine is not a cheap job by any means. With the FB25 there are some estimates that high oil consumption affects about 4-7% of these engines. That's not to say there were a lot of issues reported, but there were some again related to the issue of excessive oil consumption. The valves are The latter also featured direct injection, resulting in a slight boost in power and fuel economy. Subaru Foresters made between 1999 and 2010 also suffered this issue. Fuel injectors were removed from intake manifold and placed in cylinder block head, and injection system itself became much more complex and perfect. 0000010796 00000 n 2023 Vehicle History Inc. All Rights Reserved. 0000137839 00000 n Thats a lot of road coverage, though. No issues, the performance of the sti is awesome! 2012 - FB25 Engine Problems - Subaru Forester Owners Forum 14 0 obj << /Linearized 1 /O 16 /H [ 1645 299 ] /L 746348 /E 682067 /N 3 /T 745950 >> endobj xref 14 53 0000000016 00000 n Save my name, email, and website in this browser for the next time I comment. BUT a few people that just bought their 2015 Foresters are complaining still about excessive oil consumption so problem may not be solved yet. Subaru FB engine - Wikipedia 2020 sti review, after a year of ownership. Free Junk Car Towing Near Me: How To Find One. This covered the 2019 Subaru Ascent, the Subaru Impreza, the Subaru Legacy, and the Subaru Outback. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, The 5 Best Subaru BRZ, FRS, GT86 Performance Mods, Subaru EJ207 Engine Problems, Reliability, Specs. The Japanese brand's unique always-on Symmetrical All-Wheel Drive (SAWD) system has been the foundation of its vehicles for decades. While youll see a slight, Read More Subaru WRX Upgraded Intake GuideContinue, The Subaru BRZ, Scion FR-S, and Toyota 86 are built on the same chassis and powered by Subarus FA20 engine, a 2.0L flat-four. I considered another Subaru with a 3.6 motor, but they discontinued the 3.6. [4], The 2019 model year Subaru Forester was introduced at the 2018 New York International Auto Show with a revised version of the FB25 engine featuring direct injection, resulting in a slight boost in power and fuel economy. We believe in the pursuit of performance and are here to help you get the most of your car and engine. b94jMdg^ As such, Subaru began actually replacing short-blocks to fix the issue. Some people even get quotes of $3,000+ to fix the oil leak. However, the WRX platform is also very mod friendly. Its always a bit vague since plenty of engines burn oil at excessive rates, but dont experience any longevity or reliability issues due to it. 7a'N(:Qf)Y,e"KRf)Y,e'N\e'N(:QvDe'N:1zOi4zON?Z|i=\cLe>ati~? 0000011430 00000 n 0000010357 00000 n We start with the basics: All EJ-series engines share a 16-valve, flat-four horizontal configuration with 1.5- to 2.5-liter displacements. There isnt really any solid evidence or proof as to what exactly causes FB25 Forester, Legacy, and Outback oil consumption. You should not dream of building FB25 turbo, it was created for different purpose. A lot of Subaru FB25 reliability simply comes down to maintenance and luck of the draw. Although it shares its displacement with the naturally aspirated FB16, the only part the two engines share is the crankshaft. Unlike FB20, this 2.5-liter motor had no problems with a high oil consumption. . 0000008203 00000 n SI-26 Cracked Cylinder Block (Revised 04/24/19) In short, the Subaru FB25 engines are the larger version of the FB20 engine. Being compared to EJ25, this motor has got the changed cooling system, it works better now. 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. The engine might also operate less efficiently, thereby guzzling more fuel in the process. Combustion temperatures remain at the minimum levels through EGR to make the engine less susceptible to knocks and advanced injection timing. If you check the service bulletin youll also notice mention of the timing chain cover, cam cap, and upper oil pan. 2014 was also problematic with engine issues again related to oil consumption and problems with the engine dying right in the middle of driving. Anyways, at the end of the article we come back around to the Subaru FB25 reliability topic. It was first produced in 2010 at Subarus Gunma Oizumi factory, developed exclusively for the FB engines. I can get up to 35 miles per gallon on the highway and 27 miles per gallon town running. The third is the dreaded Check Engine Light. The Subaru FB25 is a successor to the classic modern machine. High oil consumption. Are you considering one? It handles well and has a very reasonable amount of power. Fun. In 2014 they slightly modified FB25. Since the charging system is made up of many parts, your mechanic may have to check the battery, alternator, and voltage regulator for any signs of damage or shorting. It will only aggravate an already excellent engine. r\a W+s.t%JTvU[[[[[[`')]q{W2KRd)Y,e=(zPA(e'N:1o7o77nvJ}6i l1K Interesting - then an EJ25 with the timing belt replaced may be a better bet. There's a dealership in my state that claims to replace the timing be In recent years however the 2.5L motor has been revised and has become significantly more reliable. However, one possibility-if the battery has no defect or the issue seems to occur frequently even if the battery is still relatively new-is there might be problems in the vehicle's charging system. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. Had very little problems with just normal wear and tear on the vehicle. Powerful performance machine. Fortunately, its not absolutely required to repair until it becomes a pretty serious oil leak. WebIN THIS VIDEO I WILL SHOW YOU HOW I REPAIRED Subaru XV, Impreza, Forester, Outback Engine Rattling at Cold Start. You can choose between 'intelligent, sport and sport sharp' modes. This is primarily due to the bad reputation left behind by its predecessor, the 2.5L EJ25 engine, which was marred by its high maintenance costs stemming from defects due to specific design choices by the automaker. Subaru exacerbated this problem for many drivers by essentially ignoring it and saying it was part of the normal operating procedure for the vehicle. So, in this article, we will see whether it does live up to expectations or it inherited some of the major problems that plagued its precursor. Just under two months after Subarus first recall, Subaru issued a second recall that affected Subaru Foresters and Subaru Crosstreks. In fact, if you go to Carcomplaints.com you'll find that there have been no complaints lodged at all related to the engine of the Subaru BRZ. Fixing Your Subarus High Oil Consumption My car has the standard 4 cyl engine, but even without the available turbocharger, it gives me very acceptable performance. There was an additional recall that covered 205,000 Subaru Imprezas that were made from 2017 through the 2019 model year as well as 2018 Subaru Crosstrek. [2] It was announced in September 2010 as the third generation (following the EA 1st and EJ 2nd generations) boxer engine family with 2.0litre and 2.5litre naturally aspirated variants. Sell My Car For Free Towing: A Step-By-Step Guide, Fast Cash For My Old Car: Get An Instant Cash Offer, How To Sell My Car Without A Title? U endstream endobj 21 0 obj << /BaseFont /LNTWCR+ArialMT /Encoding /WinAnsiEncoding /FirstChar 32 /FontDescriptor 19 0 R /LastChar 149 /Subtype /TrueType /ToUnicode 20 0 R /Type /Font /Widths [ 278 0 0 0 0 0 0 191 333 333 0 0 278 333 278 0 556 556 556 556 556 556 556 556 556 556 278 278 0 0 0 0 0 667 667 722 722 667 0 778 722 278 500 667 556 833 0 778 667 0 722 667 611 0 667 944 667 667 0 0 0 0 0 0 0 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 350 ] >> endobj 22 0 obj << /Ascent 1056 /CapHeight 716 /Descent -376 /Flags 32 /FontBBox [ -628 -376 2000 1056 ] /FontFamily (Arial) /FontFile2 50 0 R /FontName /DOUFUH+Arial-BoldMT /FontStretch /Normal /FontWeight 700 /ItalicAngle 0 /StemV 136 /Type /FontDescriptor /XHeight 519 >> endobj 23 0 obj << /Filter /FlateDecode /Length 486 >> stream For this fix, dealers were advised to replace the valves if it was necessary and if the valve had already broken and the parts had vanished somewhere inside, then the entire engine was to be replaced. Very happy with vehicle with exception of oil consumption from the get go. In addition to that, this engine significantly improved the efficiency of the previous FB20 engine. Its likely many Subaru FB25D engines will go their whole lives without addressing this problem. What Is The Fastest Way To Sell My Old Car For Cash? However, good maintenance is an easy way to increase the likelihood of having a reliable experience with the flat-4 boxer engine. 0000178471 00000 n It delivers tons of power with it is 305 horsepower turbocharged motor and exceptional handling with it is all wheel drive. Yes history is key. A couple pluses that dealership i my state that I mentioned has is the one year warranty on the engine. Of course a bearing fai Using intake sprays can help slow the carbon build-up process. Another oil leak thats common on many engines above 100,000 miles is the valve cover gaskets. eh, the 3.0 isn't that bad.. mostly just random codes that come & go all by themselves - like i said, fussy sensors but yeah, stuff is a lit First off, it is a turbocharged engine that produces 260 hp and has plenty of torque so it is very fun to drive. However, in reality, the new 2.5L FB25 engine boasts a lot of improvements over its predecessor and is more than capable of delivering optimum performance, fuel economy, and reliability. A performance intake is one of the least expensive, easiest to install, and most pleasing modifications that you can do to a WRX. Keeping in line with the recall we mentioned earlier, the 2008 Subaru Impreza mostly had issues with leaking head gaskets. ", Sumo/Libero/Domingo/Columbuss/E series/Estratto, https://en.wikipedia.org/w/index.php?title=Subaru_FB_engine&oldid=1138506621, Short description is different from Wikidata, Articles containing Japanese-language text, Creative Commons Attribution-ShareAlike License 3.0, 15.325.5kgm (150250Nm; 111184lbfft), Bore x stroke: 78.8mm 82mm (3.10in 3.23in), Power: 84kW (114PS; 113hp) at 5,600rpm, Torque: 15.3kgm (150Nm; 111lbft) at 4,000rpm, Power: 84kW (114PS; 113hp) at 6,200rpm, Torque: 15.3kgm (150Nm; 111lbft) at 3,600rpm, Power: 115PS (85kW; 113hp) at 6,200rpm, Torque: 15.1kgm (148Nm; 109lbft) at 3,600rpm, Power: 125kW (170PS; 168hp) at 4,800-5,600RPM, Torque: 25.5kgm (250Nm; 184lbfft) at 1,800-4,800RPM, Bore x stroke: 84mm 90mm (3.31in 3.54in), Power: 109kW (148PS; 146hp) at 6,000rpm, Torque: 20kgm (196Nm; 145lbfft) at 4,200rpm, Power: 110kW (150PS; 148hp) at 6,200rpm, Power: 160hp (162PS; 119kW) at 6,000 rpm, Torque: 163lbft (221Nm; 23kgm) at 2,000 rpm, Power (EUDM, AUDM, THDM): 115kW (156PS; 154hp) at 6,000RPM, Torque: 20kgm (196Nm; 145lbfft) at 4,000RPM, Power: 137hp (139PS; 102kW) at 5,600 RPM, Torque: 134lbft (182Nm; 19kgm) at 4,400 RPM, Power: 107kW (145PS; 143hp) at 6,000 rpm, Torque: 188Nm (19kgm; 139lbft) at 4,000 rpm, Bore x stroke: 94mm 90mm (3.70in 3.54in), Power: 170hp (172PS; 127kW) at 5,800rpm, Torque: 174lbft (236Nm; 24kgm) at 4,100rpm, Power: 182hp (185PS; 136kW) at 5,800rpm, Torque: 176lbft (239Nm; 24kgm) at 4,400rpm, This page was last edited on 10 February 2023, at 01:44. Its also in the Legacy, Outback, and Crosstrek models in North America. Downpipes are one of the most important exhaust components for force-induced engines, as they are the first exhaust component after the turbo. It did not affect American vehicles, but the precedent has definitely been set that Subaru has had some serious concerns with their engines. Jalopnik loved the boxer/AWD combination. These vehicles all suffered a flaw in the design of valve springs in their 2.0 litre boxer engines. I have not had any problems with it, and I hope to see the car perform for years to come. In this case the aluminum positive crankcase ventilation valve had the potential to simply fall apart. 0000029652 00000 n 2019 Subaru Crosstrek limited is fantastic. 0000030282 00000 n Subaru It was a follow to continue the economical and eco-friendly motor. 0000001645 00000 n The excessive oil consumption issue has popped up for so many Subaru models and has gone on for such a long period of time that it can't be considered the kind of problem that's a statistical anomaly or a rarity in the industry. - YouTube The EJ25 engine in Legacy and Forester models was replaced by the 2.5-liter FB25, Subaru 2.5 Engine Problems Everything on the car is very durable. Deodorant on Squeaky Belt. This can cause engine misfires, which then often lead to stumbling and rough idle. Outdoors sports car for you. Convenient Car Removal For Busy Schedules: Same Day Car Pickup. It can force the engine to rev up higher than usual, which can lead to damaging wear and tear on the engine components. 0000184053 00000 n The first sign that there might be something wrong with the CVT of your Outback is often an abnormal noise coming from the transmission area. Or check out our FA20 common problems article, Its no secret the Subaru WRX is an amazing car with deep roots in the rally car world. I love this car! Car and Driver noted the difference from the 2.0-liter version in a 2006 WRX. It can often be confused with other possible leaks such as valve cover gaskets. Carbon build-up is simply a small drawback. There's always a chance any car could have problems with it, but when you know ahead of time the risks as you do with a Subaru, then that you may be able to help mitigate these problems in the long run. These present efficiency in air cooling because of the airflow distributed evenly across the four cylinders. 2012 is arguably the worst year for the Subaru Imprezas engine. They reduced the cylinder wall thickness to 3.2mm and changed the compression rating to 10.3. This motor is a successor of naturally aspirated flat-4 boxer EJ253 engine. Subaru is able to maintain the exterior dimension substantially unchanged by using asymmetrical connecting rods like those in the EZ36 engine. The 2013 XV Crosstrek did have some reported issues with the engine again mostly centered around the excessive oil usage issue that other Subarus have been known for. Look for the following signs the cam carrier is leaking: A visible leak is a dead-give away that oil is leaking somewhere. The automaker is yet to pinpoint the exact cause of the problem. Wow, 260K, and blue 2002 - now I'm really wishing I kept this! It's a 2002S 5MT. The air conditioning was shot, quoted around $1300 to repair. It w So that's something to consider. The most recent recall that Subaru has put into place for its engine issues was in April of 2020. One of the bright spots in the Subaru lineup is their sporty BRZ Coupe. recalled over 400,000 vehicles in the US. As such, with only two model years under its belt, the Ascent has not racked up very many issues with his engine performance at all. The application of continuously variable transmission (CVT) in vehicles is no longer new. Likewise, it should be driven with care and must be well-oil at all times. There are some other methods that are effective, but more intensive and time consuming. 0000012364 00000 n WebCompared to the previous EJ25, which had a displacement of 2,457 cc (2.5 L) from an oversquare 99.5 mm 79 mm (3.92 in 3.11 in) bore and stroke, the FB25 has slightly In 2018 Subaru recalled a number of Foresters, Crosstreks, Imprezas, and BRZ Sports Coupes that were designed from 2008 until 2013. Subaru integrated the ignition coil into the spark plug caps providing contact to the spark plugs. Well use the Forrester as our example, as its Subarus most popular model. WebCapacity of FB25 increased to 175 horsepower at 5,800 rpm, and torque 235 Nm at 4,000 rpm. Over at EngineBuilder, Justin Anning of Nemesis Performance explains:It is a completely different design than the EJ, although it still remains an opposing four-cylinder. Not for pulling power, but for city driving when you need to get up to speed fast.
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