Ultimately, this issue may simply boil down to QC. The cvt transmission grinds if one of the front wheels slips. They do have the same power ceilings, but the fuel efficiency of the FB25 encompasses the EJ25 capabilities. Their boxer style engines are actually preferred by a number of drivers. His passion, experience, and deep technical knowledge make him a go-to resource for readers looking to take their car to the next level. In 2021, the second generation BRZ and GT86 was released which included an, Read More The 5 Best Subaru BRZ, FRS, GT86 Performance ModsContinue, The Subaru EJ207 engine is a four-stroke introduced to the automotive market in 1991. This performance car is powerful and fast. Karl Benz (yes, of Mercedes-Benz fame) patented the flat-four engine in 1896, and Subaru introduced it in their lineup in 1971. These include the following: A timing chain ensures proper timing by synchronizing the rotation of the crankshaft and camshaft(s) and allowing the engine's valves to open and close during each cylinder's firing. There are two versions for the FB25 engine the FB25B, which was the initial release, and the FB25D, the latest version and introduced at the 2018 New York International Autoshow. It has its advantages, such as good cornering attributes, and does shy away from power numbers. My car has the standard 4 cyl engine, but even without the available turbocharger, it gives me very acceptable performance. 188,000 vehicles were recalled over risk of the engine stalling. The car already delivers great performance and handling straight from the factory. Some Subarus have had serious issues with their head gaskets, and. The FB is only marginally heavier than an equivalent-displacement EJ. When it became as notorious as this issue did for various Subaru models featuring the 2.5 litre engine, that was a clear-cut problem. 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. FB25 firing order is 1-3-2-4. Combustion temperatures remain at the minimum levels through EGR to make the engine less susceptible to knocks and advanced injection timing. Nice! Looks to be in really good shape. A similar scene to here, I also have a flag outside and an old pickup truck! Some berate the 4EAT, but many My short block had to be replaced after 50k miles. When it became as notorious as this issue did for various Subaru models featuring the 2.5 litre engine, that was a clear-cut problem. 0000002941 00000 n The earlier the problem is diagnosed, the easier and less expensive it will be to fix. Is the Subaru FB25 2.5L boxer engine reliable? 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. 2022 Subaru Outback 2.5L Engine: Longevity, Problems, and Specs, 10 Tips for Keeping Your Car Running Like New. I am totally satisfied with the vehicle. FB25 firing order is 1-3-2-4. Great car. [21], The direct-injection FB20D was also used in a mild parallel hybrid configuration similar to the FB20X. Of course, accessing intake valves means pulling the manifold so its usually at least 2-4 hours of labor. Despite Subarus track record for reliable vehicles, their 2.5 L engine has become almost infamous in the automobile industry for having problems. 0000681474 00000 n dl,uL",u "N1```exA P90"} >&5v(\]bS$[3 ) endstream endobj 66 0 obj 187 endobj 16 0 obj << /Annots 17 0 R /ArtBox [ 0 0 612 792 ] /BleedBox [ 0 0 612 792 ] /Contents 26 0 R /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Parent 11 0 R /Resources << /ColorSpace << /CS0 25 0 R >> /ExtGState << /GS0 58 0 R /GS1 59 0 R >> /Font << /C2_0 34 0 R /C2_1 36 0 R /TT0 24 0 R /TT1 21 0 R /TT2 27 0 R /TT3 33 0 R /TT4 40 0 R >> /ProcSet [ /PDF /Text /ImageC ] /XObject << /Im0 61 0 R /Im1 62 0 R /Im2 63 0 R >> >> /Rotate 0 /Tabs /W /TrimBox [ 0 0 612 792 ] /Type /Page >> endobj 17 0 obj [ 18 0 R ] endobj 18 0 obj << /A 64 0 R /BS << /S /S /Type /Border /W 0 >> /Border [ 0 0 0 ] /H /N /Rect [ 203.463 205.30099 249.923 190.756 ] /Subtype /Link /Type /Annot >> endobj 19 0 obj << /Ascent 1040 /CapHeight 716 /Descent -325 /Flags 32 /FontBBox [ -665 -325 2000 1040 ] /FontFamily (Arial) /FontFile2 55 0 R /FontName /LNTWCR+ArialMT /FontStretch /Normal /FontWeight 400 /ItalicAngle 0 /StemV 88 /Type /FontDescriptor /XHeight 519 >> endobj 20 0 obj << /Filter /FlateDecode /Length 529 >> stream The DOHC engines are more difficult to service when its time for a spark plug change. There are some other methods that are effective, but more intensive and time consuming. In 2010 they released 2.5-liter FB25 motor for the large Subaru cars. A few quick notes before proceeding, though. In terms of newer models, Subaru has still had a few problems as we've seen with some of the recalls that it has issued. The existing FB20B was modified by reducing internal friction for the hybrid drivetrain, which incorporates an electric motor in the Lineartronic CVT. 0000005470 00000 n wN?B%}.k2}s{\e~EL`){s.Ct]uM;{gqI;}U6Nh"'2[|dQ, 7+(]szcnu^(!sn*Z*FaM+*mnmUu+i!WN0i,}FF [DIy]h=^8>jy&hXBKht[,:j;|3<4u^K6~e@};8fWg%Jwq].Bta4k@geEuWX?jc_(5-rqy((_k@. So the only difference between the B and the D is the compression ratio? 0000588671 00000 n Also intake ports were improved, intake valves were increased to 36 mm, the exhaust manifold and exhaust pipe were modified, the whole exhaust system became easier. HW[o~p%p0IJM,%){_o.M^M}~:sg23bGD}!ag%SQH%Q@fdn6#_h>q L! Cannot think of any problems that the car has. For its application in the Subaru Outback, the Boxer engine's smaller size, as well as its all-aluminum construction, reduces the engine's weight. [26], Compared to the previous EJ25, which had a displacement of 2,457cc (2.5L) from an oversquare 99.5mm 79mm (3.92in 3.11in) bore and stroke, the FB25 has slightly larger displacement on a less oversquare bore and stroke. However, there are still issues that might affect the reliability and overall lifespan of the machine, but it might be due to external factors such as age, mileage, and the standard wear and tear items. I contacted dealer and they agreed to perform a road test measuring the consumption. This ranged from 1,000 to 3,000 miles for most drivers having to add more oil. It effective 2013 to 2018 Foresters as well as Crosstreks made in the same year range. My girlfriend had bought a 2012 Subaru Forester with the FB25BA engine at the end of 2018 without knowing the oil consumption issue. It delivers tons of power with it is 305 horsepower turbocharged motor and exceptional handling with it is all wheel drive. This obviously presented a serious safety risk. In 2018 Subaru recalled a number of Foresters, Crosstreks, Imprezas, and BRZ Sports Coupes that were designed from 2008 until 2013. That could lead to a short circuit and blown fuses. The beautiful and sporty 2019 Subaru outback 2.5 touring. The Subaru Crosstrek has been another relatively problem-free model for the Subaru lineup. Save my name, email, and website in this browser for the next time I comment. Were classifying these as the most common, but it doesnt mean they affect a large percent of engines. It is a very fast car just based off of the stock model but is easy to add modes to make its faster and louder. If you notice any of these symptoms, it's important to take your car to a mechanic and have it checked as soon as possible. Ask questions or send a hint for future articles on the author's page. Zach is a founder of 8020 Media and TuningPro. Their repair costs, especially on their transmissions, are ridiculous!