P0028 subaru outback

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The fault is associated with Subaru's Continuously Variable Valve Timing (CVVT) system which changes the intake camshaft angle using oil pressure to improve engine torque fuel economy etc. Web searches indicate that other causes of the P0026 fault code include dirty oil and filters. Save. plain OM · #3 · Apr 20, 2015. DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE. (BANK 2) Search this forum; there's quite a few posts about P0028 and the corresponding code P0026 for the variable valve lift mechanism on Bank 1. Sometimes it's due to oil supply issues, such as mentioned in the above-linked site.What is the Cost to Diagnose the Code P0420 Subaru? Labor: 1.0. The cost to diagnose the P0420 Subaru code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Save. plain OM · #3 · Apr 20, 2015. DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE. (BANK 2) Search this forum; there's quite a few posts about P0028 and the corresponding code P0026 for the variable valve lift mechanism on Bank 1. Sometimes it's due to oil supply issues, such as mentioned in the above-linked site.Problems & DIY Maintenance. Outback 2006 - P0028, P0026, P1706 - Catalytic Converter? Jump to Latest Follow

2009 2.5 X Stalling - SOLVED! Yesterday my mom’s car gave a p0028 and p0026 code. I read those were usually caused by low oil. I checked and it was VERY low. Nothing showing up on the dipstick. 3 quarts later and it showed just above the low line. I thought it was a crazy amount to have to add but I drove it around, no smoke or oddness.4) Subaru EJ255 Rod Bearing Failure. Another internal engine issue for the EJ255 that’s not too fun to discuss or think about. Rod bearings essentially connect the connecting rods to the crankshaft. EJ255 rod bearings take quite a bit of abuse, and they’re typically the first to give if you run into oil flow issues.Subaru Outback P0011 definition: Intake Camshaft Timing – Over-Advanced Bank 1 Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle. The most […]So that should include 2006-2012 Subaru Legacy and 2006-2012 Subaru Outback. The symptom was simple enough to diagnose. Rough running engine with a P0028 code. I believe the P0026 would be the same symptom but on the opposite side of the engine. The fix is nearly as easy. Replace the sensor. It's only around $20 did an original Subaru part.

This video shows the diagnostic and repair on the P0028 code on subaru 2.5l motors. most modelThere was a TSB, or technical service bulletin, issued regarding the filter screens for the AVCS sprockets clogging up. It affects WRX and STi models made before 2006. This can cause the p0011 and p0021 codes so it was time to check that! Normally it is pretty easy to check the AVCS sprocket screens. They are in the banjo bolts to the oil …2020 Subaru Outback Touring. VEHICLE TYPE front-engine, all-wheel-drive, 5-passenger, 4-door wagon. PRICE AS TESTED $38,355 (base price: $38,355) ENGINE TYPESep 15, 2023 · Other Notes About P0028. It’s common to see the engine code P0028 on Subarus. If you own a Subaru and encounter any or a combination of the symptoms described above, you can look for the appropriate technical service bulletin (TSB) that will give you diagnosis and instructions for an appropriate P0028 Subaru fix. For example, repair procedures for a P0076 in Hyundai may not work for a P0076 in Subaru. ... P0028 Code: Intake Valve Control Solenoid Circuit Range/ Performance (Bank 2) File Under : OBD-II Trouble Codes Tagged With : intake-manifold-runner-valve, variable-timing-solenoid.

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• How to fix Subaru P0028 "Intake Valve Control Solenoid" Code Matt Leitholt 849 subscribers Subscribe 158K views 8 years ago Follow same steps for P0026, but the plugs are on the rear passenger...P0028 2010 Outback. Gen 4 . Jump to Latest Follow 477 Views 5 Replies 2 Participants Last post by cardoc, 7 mo ago. F. ... Welcome to the Subaru Outback Owners Forum, we have tons of information about your Subaru Outback, from a Subaru Outback Wiki to customer reviews.P0028. Subaru forester 2010. Checked oil and - Answered by a verified Subaru Mechanic. ... 07 Subaru Outback with 72k went to dealership to have ECM flashed a recall ... For the P0026 and P0028, the CEL is set as soon as the fault is detected. Cleaning the contacts "could" have corrected a bad connection, as explained earlier. It's a possibility, but the proof will only be if over time the code does not appear. Also, the CEL, after being triggered by a P0028, does not go out as soon as the problem is cleared up ...Welcome to the Subaru Outback Owners Forum, we have tons of information about your Subaru Outback, from a Subaru Outback Wiki to customer reviews. Full Forum Listing. Explore Our Forums. Gen 5: 2015-2019 Gen 4: 2010-2014 Problems & DIY Maintenance Gen 6: 2020-2024 General Discussions.Intake Control P0028 Code Subaru Outback was created by chrisR4335. My 2007 Subaru Outback 2.5i has the problem described in Paul's YouTube video regarding P0028 and P0082 fault codes. Under load, and acceleration, engine hesitates badly and loses power. I have had TWO different shops replace BOTH solenoids TWICE, at a cost of almost a grand!

• How to fix Subaru P0028 "Intake Valve Control Solenoid" Code Matt Leitholt 849 subscribers Subscribe 158K views 8 years ago Follow same steps for P0026, but the plugs are on the rear passenger...DIY How to diagnose and repair your Subaru with engine codes P0026 and P0028. Variable Valve Timing - VVTThe check engine light is there to help you, and you need to listen to it. It is a clear sign that your car's ECU (Engine Control Unit) has discovered a problem with the functionning of your car and wants to communicate it with you in the form of a code. There are approximatively 196 different codes availlable on your Subaru, each leading you ...Here it is after each repair I have went to pick up my Subaru Legacy and the CEL, Cruise and stability control lights remain on. P0028 Solenoid Valve swithc replaced: $200. P0028 and P0082 Solenoid Valve replaced: Powertrain covered. P0028 Upper Engine Clean and Crankcase Clean: Powertrain covered.Decals and Donations- https://www.paypal.com/paypalme/homebrewsubaru Channel decals are only $4US to USA/Canada and $6US internationally Make sure to include...P0028 – Relates to Intake Valve Control Solenoid Circuit Range/Performance (Bank 2), with “Bank 2” denoting the side of the engine that does not include cylinder #1. Codes P0027 and P0029 refer to the same problem and fault condition in the VVT or VCS control systems of the exhaust side of Banks 1 and 2 respectively. Help Us Help YouNov 30, 2018 · The most common fix for P0420 in the Subaru Outback is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Outback into an exhaust shop for an (expensive) new catalytic converter, let’s ensure that’s what you need. Here’s a good P0420 diagnostic order for the Subaru Outback: 1. Check for Other Codes. Hello everyone! Received this p0028 code on my 08 ll bean forester last weekend when going up to the mountain. Didn’t notice any issue running until I had to …Thank you for taking the time to watch our videos. Don't forget to Like and Subscribe.This video shows how we repaired a 2014 Subaru Outback with fault code ...This low kilometer Subaru Impreza flags a P0420 Catalyst efficiency fault code very quickly. The rear O2 sensor would behave almost like the catalytic conver...RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.amntomek · #27 · Dec 12, 2015. P0026, P0028 code assistance. How to troubleshoot if the oil pressure switch next to the variable valve lift solenoid is causing the P0026 Code. P0026 REFERS TO THE PASSENGER SIDE PRESSURE SWITCH OR VVL SOLENOID. P0028 REFERS TO THE DRIVER SIDE PRESSURE SWITCH OR VVL SOLENOID.

What Does the P0028 Subaru Code Mean? The Continuously Variable Valve Timing (CVVT) system is installed to the chain sprocket of the intake camshaft. This …

RANGE/PERFORMANCE (BANK 2) P0028 is one of the diagnostic trouble codes that will turn the CEL on as soon as it is detected. If the problem goes away on its own, it will clear the CEL after three consecutive driving cycles without the fault showing up. The code itself will be stored in the ECM memory for 40 consecutive driving cycles …Life_Is_Epic Discussion starter · Dec 11, 2020. Recently did an engine swap got a code P0028 while accelerating and only after accelerating, Checked connectors on the bank all seem to be okay. I haven't checked voltage just yet but If the sensor did fail wouldn't it cause the code to trip even during idle?My wife's 2007 Forester on way to work had check engine plus cruise control start flashing. I checked codes and it is P0026 & P0028 codes. I put in mid grade gas, fuel injection cleaner and made sure that gas tank cap was on tight. On way to work after 30 minutes of driving the check engine plus cruise control start flashing again.Couple of things wrong. I own a 2011 Subaru impreza outback sport and it's throwing a p0028 and p0026. Not sure how to figure out if it's oil pressure the switch or solenoid. Also before it was throwing these codes it was going through a quart of …H. hmhaga Discussion starter · Jun 11, 2014. Cylinder misfire on drivers side appeared first, but went away after clearing codes. A few weeks later, I have P0011 and P0021. Misfire is probably triggered by incorrect cam timing. Changed plugs (which looked to be recently replaced), engine oil and engine filter and cleared codes.• How to fix Subaru P0028 "Intake Valve Control Solenoid" Code Matt Leitholt 849 subscribers Subscribe 158K views 8 years ago Follow same steps for P0026, but the plugs are on the rear passenger...The fault is associated with Subaru's Continuously Variable Valve Timing (CVVT) system which changes the intake camshaft angle using oil pressure to improve engine torque fuel economy etc. Web searches indicate that other causes of the P0026 fault code include dirty oil and filters. Also, a wiring fault could also be a cause, you may like to ...Are you looking for a reliable used SUV? Subaru is a popular choice among drivers who want a reliable, safe, and efficient vehicle. With a wide variety of models to choose from, there’s sure to be a Subaru SUV that’s perfect for your needs.The most common fix for P0420 in the Subaru Outback is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Outback into an exhaust shop for an (expensive) new catalytic converter, let’s ensure that’s what you need. Here’s a good P0420 diagnostic order for the Subaru Outback: 1. Check for Other Codes.Apr 15, 2015 · Follow same steps for P0026, but the plugs are on the rear passenger side of the motor.Contact cleaner on Amazon http://amzn.to/1lOPE5h

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What does this mean? What are the Possible Causes of the DTC P0028 Subaru? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Dirty engine oil Low engine oil level Faulty intake valve control solenoid Intake valve control solenoid harness is open or shorted plain OM · #3 · Dec 13, 2020 Life_Is_Epic said: What year, and which engine, 2.5, 2.5 turbo, or 3.0? On my 2007 2.5 non-turbo, the AVLS switches from low lift to high lift when rpm increases past 1600 while driving (i.e., not when just revving the engine in P or N), and switches back at about the same point as rpm drops below 1600.What Does Code P0028 Mean? OBD II fault code P0028 is defined as “ Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)”, with “Bank 2” denoting the side of the engine opposite the cylinder #1 on engines with two cylinder heads. Code P0028 is set when the PCM (Powertrain Control Module) detects a fault in the electro ...Dec 8, 2017 · My outback threw the P0028 code. Bank 2 Control Solenoid. I was going to replace the pressure sensor and VVT solenoid on both sides. Any other suggestions. Just an update, I was able to wiggle the cam sensor bracket enough to gain access to the bolt holding the old solenoid. unscrewed, pulled and replaced with an OEM part, put the bracket back ... Couple of things wrong. I own a 2011 Subaru impreza outback sport and it's throwing a p0028 and p0026. Not sure how to figure out if it's oil pressure the switch or solenoid. ... My Subaru Outback comes with codes P0028 and P0026. If I clear it it will run for a day or two but comes back again.Oil and filter changed two days back ran okay for a ...Welcome to the Subaru Outback Owners Forum, we have tons of information about your Subaru Outback, from a Subaru Outback Wiki to customer reviews. Full Forum Listing. Explore Our Forums. Gen 5: 2015-2019 Gen 4: 2010-2014 Problems & DIY Maintenance Gen 6: 2020-2024 General Discussions. Top Contributors this MonthIf a cat visit your dealer, covered by 8yr/80k warranty. vtcodger2 November 13, 2009, 12:51pm 3. P0026 Intake Valve Control Solenoid Circuit Range/Performance (Bank 1) P0028 Intake Valve Control Solenoid Circuit Range/Performance (Bank 2) I have to be honest. This is the first time I’ve ever heard of an Intake Valve Control Solenoid which ...1 - 10 of 10 Posts. cardoc Lifetime Premium · #2 · Jan 22, 2014. P0011 is a cam timing issue. Since the car has AVCS. The system can alter the cam phase. When it can no longer change the phase due to a stuck solenoid or low oil level, the code pops up. The solenoids are on the ends of the heads up top.Apr 1, 2022 · Wil0348 Discussion starter · Apr 1, 2022. So I was getting codes p0028 and 26. Replaced both VVT solenoids. Noticed oil around spark plugs. So I replaced valve cover gaskets and spark plug gaskets. Also was informed I have a head gasket leaking oil. Now, I still have code p0028 and, after I have driven a little bit and everything is good and ... Wil0348 Discussion starter · Apr 1, 2022. So I was getting codes p0028 and 26. Replaced both VVT solenoids. Noticed oil around spark plugs. So I replaced valve cover gaskets and spark plug gaskets. Also was informed I have a head gasket leaking oil. Now, I still have code p0028 and, after I have driven a little bit and everything is good and ...New and used Subaru for sale in León, Guanajuato on Facebook Marketplace. Find great deals and sell your items for free. Buy used subaru locally or easily list yours for sale for free ... 2012 Subaru outback. León, GTO. 15K km. MX$105,000 MX$110,000. 2013 Chevrolet sonic. Irapuato, GTO. 92K km. MX$1. 2005 Chevrolet equinox. León, GTO. 1K km ... ….

I think this is because cruise control and Vehicle Dynamic Control are deactivated when the CEL light is on. I had CEL code P0028. This is the same fault as P0026 except P0026 is a fault with the passenger side Variable Valve Timing system and P0028 is for the driver side Variable Valve Timing system.Diagnose and fix Subaru P0026 or Subaru P0028. Subaru 4-cylinder boxer engines are equipped with a variable valve lift feature to improve performance. The VVL system consists of two parts; an oil sensor switch and a VVL solenoid. A Subaru P0028 code refers to the Intake Valve Control Solenoid Circuit Range/Performance (Bank 2) and a Subaru ...P0028, p0018, p0016, and p0011. Hi new user here; third Subaru, first with problems like this. 2008 Outback LL Bean edition, 6 cylinder, ~ 86,000 miles. Check engine light (and all lights) flashing, rough running, sharply reduced gas mileage. Two mechanics and then a dealer visit has included: two new variable valve solenoids, two new oil ...Life_Is_Epic Discussion starter · Dec 11, 2020. Recently did an engine swap got a code P0028 while accelerating and only after accelerating, Checked connectors on the bank all seem to be okay. I haven't checked voltage just yet but If the sensor did fail wouldn't it cause the code to trip even during idle?What Does Code P0028 Mean? OBD II fault code P0028 is defined as “ Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)”, with “Bank 2” denoting the side of the engine opposite the cylinder #1 on engines with two cylinder heads. Code P0028 is set when the PCM (Powertrain Control Module) detects a fault in the electro ...This video shows the diagnostic and repair on the P0028 code on subaru 2.5l motors. most modelDec 8, 2017 · Posts with photos receive an average of 50% more responses and 3x the views! My outback threw the P0028 code. Bank 2 Control Solenoid. I was going to replace the pressure sensor and VVT solenoid on both sides. Any other suggestions. 2006 Subaru Outback, 105K miles. I took it to the lube shop a few days ago for an oil change, ... I have a subaru impreza 2007 , i have the code p0028, i already change the variable valve solenoid on bank 2 , and all the pression switch .After 12 … P0028 subaru outback, This low kilometer Subaru Impreza flags a P0420 Catalyst efficiency fault code very quickly. The rear O2 sensor would behave almost like the catalytic conver..., This is just a quick video showing how to change an oil pressure switch on an EJ253 2006 Subaru Forester.I believe the torque is around 8 lb ft.If it helps a..., However some have found that access to the bolt holding the solenoid in place is actually partly blocked by the camshaft position sensor bracket. The bracket and sensor can be removed without touching the timing belt components. P0028 Code 2008 Outback 2.5i, which has the method for removing the left side solenoid., RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog., The most common fix for P0420 in the Subaru Outback is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Outback into an exhaust shop for an (expensive) new catalytic converter, let’s ensure that’s what you need. Here’s a good P0420 diagnostic order for the Subaru Outback: 1. Check for Other Codes., P0028 Code 2008 Outback 2.5i Jump to Latest Follow 37041 Views 20 Replies 4 Participants Last post by ngorske , May 31, 2020 J joe_pinehill Discussion starter · Dec 8, 2017 My outback threw the P0028 code. Bank 2 Control Solenoid. I was going to replace the pressure sensor and VVT solenoid on both sides. Any other suggestions., P0028 – Relates to Intake Valve Control Solenoid Circuit Range/Performance (Bank 2), with “Bank 2” denoting the side of the engine that does not include cylinder #1. Codes P0027 and P0029 refer to the same problem and fault condition in the VVT or VCS control systems of the exhaust side of Banks 1 and 2 respectively. Help Us Help You, Dec 8, 2017 · Posts with photos receive an average of 50% more responses and 3x the views! My outback threw the P0028 code. Bank 2 Control Solenoid. I was going to replace the pressure sensor and VVT solenoid on both sides. Any other suggestions. , Other Notes About P0028. It’s common to see the engine code P0028 on Subarus. If you own a Subaru and encounter any or a combination of the symptoms described above, you can look for the appropriate technical service bulletin (TSB) that will give you diagnosis and instructions for an appropriate P0028 Subaru fix., I have a 2011 Subaru Outback 2.5l 4 cyl 6 speed manual and am getting the p0028 engine code. I did some reading and watched some YouTube and tried some things..... Checked oil level and it was fine. Cleared the code and it came right back., Jan 26, 2021 · If there are no codes on the TCM, then you go to the VDCCM and command an "Inspection Mode" then check for codes in that module. If C0045 comes up after the inspection mode test, you need the ABS/VDCCM replaced. If not, then check the codes that do come up and check the other modules for any set codes. , This item: Subaru Genuine 25240AA060 Switch Assembly - Oil Pressure, 1 Pack. $2044. +. Permatex 59214 High Temperature Thread Sealant, 6 ml Tube, Pack of 1. $699 ($34.95/Fl Oz), P0028. Subaru forester 2010. Checked oil and - Answered by a verified Subaru Mechanic. ... 07 Subaru Outback with 72k went to dealership to have ECM flashed a recall ... , Jul 20, 2020 · On Amazon: *VVT SOLENOID: https://amzn.to/2Cz0nPt (same for both banks)*OIL PRESSURE SWITCH: https://amzn.to/2CvHm0f*MULTIMETER: https://amzn.to/32zgnM1*POWE... , Apr 19, 2015 · Save. plain OM · #3 · Apr 20, 2015. DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE. (BANK 2) Search this forum; there's quite a few posts about P0028 and the corresponding code P0026 for the variable valve lift mechanism on Bank 1. Sometimes it's due to oil supply issues, such as mentioned in the above-linked site. , • Intro Subaru P0028 code diagnostic and repair Portage Auto Works 206 subscribers Subscribe Subscribed 100 19K views 1 year ago This video shows the diagnostic and repair on the P0028 code..., K. katuah Discussion starter · May 14, 2020. I'm on the local Subaru dealer's website looking at a parts diagram trying to find the part to replace my Bank 2 intake valve control solenoid. The diagram shows two parts that are labeled as the SAME THING, "Engine Variable Valve Timing (VVT) Solenoid" one with part number 10917*B and one with part ..., Just bought a 2009 Subaru Outback about a month ago, but yesterday the code p0028 came up. I didn’t drive it but when I turned it on tonight the… , The P0028 code is set when the engine control module/powertrain control module (ECM)/ (PCM) detects that the intake valve on an engine’s variable valve lift (VVL) isn’t operating as commanded...., As it was not changed in a Subaru Dealership, I'm starting to wonder whether having it changed in an independent garage was a bad idea - was the adjustement perfect. ... Its a $13 part and a relatively easy fix. Your list of causes for the CEL code P0028 or P0026 is good reference but I would modify it as follows: 1- Low engine oil level or ..., 2008 - P0028 - Multiple attempts to fix? - SOLVED! ('06-'08) oil pressure switch p0028 solenoid. Jump to Latest Follow. 7021 Views 5 Replies 4 Participants Last post by Koba jalali , Jun 24, 2022. Omalleya Discussion starter · Dec 13, 2020 (Edited) Hello everyone! Received this p0028 code on my 08 ll bean forester last weekend when going up to ..., This item: Subaru Genuine 25240AA060 Switch Assembly - Oil Pressure, 1 Pack. $2044. +. Permatex 59214 High Temperature Thread Sealant, 6 ml Tube, Pack of 1. $699 ($34.95/Fl Oz), So my 05' Outback 3.0R has started acting up and now I have a P0028 code. From all the research I've been doing, it could quite possibly be the vvl oil pressure switch/solenoid on the driver side bank. Issue is that I'm having such a hard time finding the part number myself from all the Subaru parts websites I've visited., Oct 15, 2020 · How to test and replace the variable valve timing solenoid on a late model Subaru. P0028 - Intake Valve Control Solenoid Circuit Range/Performance Bank 2 P00... , P0028. Subaru forester 2010. Checked oil and - Answered by a verified Subaru Mechanic. We use cookies to give you the best possible experience on our website. ... 07 Subaru Outback with 72k went to dealership to have ECM flashed a recall. As soon as they returned it Check Engine light & rough idle., Dec 11, 2020 · Life_Is_Epic Discussion starter · Dec 11, 2020. Recently did an engine swap got a code P0028 while accelerating and only after accelerating, Checked connectors on the bank all seem to be okay. I haven't checked voltage just yet but If the sensor did fail wouldn't it cause the code to trip even during idle? , Jan 20, 2013 · P0028, p0018, p0016, and p0011. Hi new user here; third Subaru, first with problems like this. 2008 Outback LL Bean edition, 6 cylinder, ~ 86,000 miles. Check engine light (and all lights) flashing, rough running, sharply reduced gas mileage. Two mechanics and then a dealer visit has included: two new variable valve solenoids, two new oil ... , Dec 8, 2017 · My outback threw the P0028 code. Bank 2 Control Solenoid. I was going to replace the pressure sensor and VVT solenoid on both sides. Any other suggestions. Just an update, I was able to wiggle the cam sensor bracket enough to gain access to the bolt holding the old solenoid. unscrewed, pulled and replaced with an OEM part, put the bracket back ... , Subaru Service Bulletins are intended for use by professional technicians ONLY. They ... Troubleshooting for P000A, B, C or D / P0011, 14, 21 or 24 LEGACY / OUTBACK 2.5L: 13MY and after IMPREZA: 12MY and after XV: 13MY and after FORESTER 2.5L NA: 11MY and after FORESTER 2.0L DIT: 14MY and after WRX: 15MY and after BRZ: 13MY and after, A Subaru P0028 code refers to the Intake Valve Control Solenoid Circuit Range/Performance (Bank 2) and a Subaru P0026 refers to the Intake Valve Control Solenoid Circuit Range/Performance (Bank 1). If you have either of these codes, start your diagnosis by looking for the signs of oil leakage at the oil pressure sensors., Here it is after each repair I have went to pick up my Subaru Legacy and the CEL, Cruise and stability control lights remain on. P0028 Solenoid Valve swithc replaced: $200. P0028 and P0082 Solenoid Valve replaced: Powertrain covered. P0028 Upper Engine Clean and Crankcase Clean: Powertrain covered., The P0028 (as well as the right side P0026) are triggered when the ECM is sending a high duty cycle signal but the pressure switch is indicating low pressure (i.e., switch remains closed), or when the ECM is sending a low duty cycle but the switch is indicating a high pressure (switch remains open)., It can be done in the car, but it is a bit tricky (Bank 1 is very easy) the code P0028 Intake Valve Control Range/Performance (Bank 2) is usually caused by dirty and/or low oil. if you clear it and it comes back, you may want to do a oil flush on the engine. If after this, change the valve.