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lostwater said: Hi! I am looking to buy a Honda Element and reading here there are many many posts about the P2646 code with the oil pressure switch and going into limp mode. I've seen these for the 2003-2006 generation Element, but haven't yet seen a post mentioning the problem in later Elements (2007 on) when the motor changed (10 more hp, etc).. Amf rose bowl lanes photos

Or also possibly a catalytic problem which at 150k miles a 1000$ for a new cat is not something I'm willing to do. So my question after that long winded description is would the changing of the oxygen sensor trigger the P2646 code for that VTEC switch for some reason? Or could it be that I do have a cat problem? Thanks for any help in …1316 posts · Joined 2008. #2 · Mar 1, 2023. I would have to think that the P0420 and the P2646 are unrelated and troubleshoot them separate from each other. I would think that a persistent negative fuel trIm might be a cause of early cat failure, so I might consider looking at that together with the P0420.18 posts · Joined 2005. #1 · Jul 25, 2010. Had a scare the other day while out of town about 40 miles away. All of a sudden, my '05 Element engine started bucking badly at anything above 3000 RPM's. I happened to find a recommended transmission shop near the auto parts store that I stopped in to check on the price of a diagnostic code reader. The dreaded P2646. I have a relatively high mileage 2007 EX-P 5MT 4WD with 259K. About 10K ago, I got the triple play of check engine and VSA lights and limp mode, Replaced the VTEC spool valve assembly with a (should have known better) aftermarket part. Flash forward to last week, about 7K miles later, same thing, deja vu. Please leave a comment, thumbs up the video, and don't forget to subscribe if you enjoy our videos! Thank you!💜 Our channel is family-friendly. 💜Step 1: Diagnostic Scan. Before diving into any repairs, it’s essential to perform a diagnostic scan to confirm that code P2646 is indeed the issue. You can use an OBD-II scanner to retrieve the trouble codes from your Honda Accord’s ECM. Make sure to write down the codes displayed for future reference.Here's the history: Get P2646 (actuator arm stuck, bank 1) error: -Replace VTEC solenoid -Replace oil pressure switch -Clean front oil screen behind power steering pump -Replace coils and plugs -Problem goes away. Soon after, get another P2646 and P0302 (cylinder misfire): -take to shop, one of the coils i had replaced was bad (bought off ...May 1, 2024 · It is possible to completely avoid the Honda P2646 trouble code in many cases. The engine won’t get sludge buildup with a normal oil change and the right viscosity. If you follow the recommended maintenance schedule, you won’t need to worry about the P2646 DTC. Only Honda vehicles display the P2646 code, so keep that in mind. Learn what the P2646 code means, how it affects your engine performance, and what you can do to fix it. Find out the possible causes, symptoms, and solutions for this common …The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011. ... CEL and VSA light, car jerks around 3k RPM, my basic scan tool showed P2646. This is typically related ...Honda Element DTC P2646 Troubles. Jump to Latest Follow 5K views 5 replies 5 participants last post by Tovey7 Dec 12, 2021. A. atokonitz Discussion starter 2 posts · Joined 2017 Add to quote; Only show this user #1 · Jul 30, 2017. Hello all, While I do understand that there are more than enough threads pertaining to this DTC, I simply do …Aug 4, 2012 · I recently adjusted the valves and performed an oil change because it wouldn't idle properly and was throwing the dreaded P2646 code. The idle cleared up perfectly, found the exhaust valves were tight as hell. I removed the spool valve at this time and cleaned the screen, replaced it, P2646 remains, still going into limp mode at 3000 rpm. Introducing the P2646 Honda Element – the ultimate guide for all Honda enthusiasts out there! If you're a proud ownerOh Crap, P2646 is back. I bought an 03 element with 265,000 miles on the car. It started to thrown the P2646 code and I tried everything to get rid of it. I took it to my local mechanic and he measure the oil pressure and cylinder pressure, sure enough the engine was weak.Learn how to diagnose and fix the P2646 error code, related to the rocker arm actuator system in your Honda Element, with this step-by-step guide.Introducing the P2646 Honda Element – the ultimate guide for all Honda enthusiasts out there! If you're a proud owner. Close Menu. Subscribe to UpdatesConstant P2646 and P2647 VTEC issues. Replaced the spool valve / vtec valve with a genuine honda part. Drove fine for 2 weeks and codes are back. I had a oil change with synthetic 5w-20 and checked for clogged screen behind the power steering pump.Honda Element DTC P2646 Troubles. Jump to Latest Follow 5K views 5 replies 5 participants last post by Tovey7 Dec 12, 2021. A. atokonitz Discussion starter 2 posts · Joined 2017 Add to quote; Only show this user #1 · Jul 30, 2017. Hello all, While I do understand that there are more than enough threads pertaining to this DTC, I simply do …In this video, young mechanic Aiman discusses P2646, which is an OBD-II generic code for the engine control module (ECM) detecting the 'A' rocker arm actuato...VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit.1 post · Joined 2019. #1 · Dec 21, 2019. I did a scan when check engine light and vsa light came up odyssey 2005 , code p2646 was found , oil switch was cleaned , oil and filter changed but after driving around for 1 hour , the same lights came back again ! …Honda / Element / 2006 / what is p2646 ; What is p2646 . 2006 Honda Element. Asked by Visitor in Brentwood, CA on . April 11, 2010. what does p2646 mean . 1 reply Report. Answer. Popular Answer. fernando on . April 12, 2010. P2646: A Rocker Arm Actuator System Performance or Stuck Off. Sign in to reply.Here are some of the tools that jimthecarguy useshttps://www.amazon.com/shop/jimthecarguyIn This Video I Will Show You How To Replace The Solenoid Assembly O... A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011. Come along as I will show you how to repair a surging or bucking on this 2006 Honda CRV with code P2647 or 2646 pressure switch circuit voltage high or low ....I have a 2003 element that started throwing the p2646 code. Oil is good. I've replaced both the vtec unit on back of engine and the vvt solenoid on the side of engine (one bolt cylindrical slide in unit). Still getting the code everytime. Also replaced the p.i.t.a to get to screen on the front of the engine.Here are some of the most common Honda P2646 causes. Wrong motor oil viscosity; Clogged oil passages; Sludge clogs rocker arm actuator; Clogged oil control screener; Malfunctioning VTEC oil pressure …Nov 15, 2023 · If you’re facing the persistent P2646 and P2647 codes in your Honda Element, causing the engine to enter “limp mode” at approximately 3,000 RPM, you’re not alone. Contrary to common misconception, these codes aren’t linked to a speed governor but are a result of low oil pressure at the VTEC oil pressure switch. Troubleshooting Steps Here are some of the tools that jimthecarguy useshttps://www.amazon.com/shop/jimthecarguyIn This Video I Will Show You How To Replace The Solenoid Assembly O...2003-11 Element ALL ALL 2007-11 Fit ALL ALL REVISION SUMMARY Under REPAIR PROCEDURE, illustrations in step 2 specific to 2008-12 Accord PZEV were added along with additional FRT. SYMPTOM The MIL comes on with one of these DTCs: • P2646/P2651 (rocker arm oil pressure switch circuit low voltage).Based on your description, it sounds like your Element is in "limp" mode. My best guess is it will show either a P2646 or P2647 code; which means a problem with the VTEC system. But it may have another code too. Let us know know the code and then we can help you diagnose the problem. Hope this helps.Working on a 2006 Honda element, car has code p2646 and it goes into limp mode, vtec switch and solenoid replaced, oil level good and clean, when solenoid activates over 2500 rpm, switch is off, dont know what else could be. Thanks.Causes. Seriousness. Can I Still Drive? Diagnose. Difficulty of Inspecting. Get Additional Help. A P2646 code is an OBD code for the Engine Control Module (ECM) detecting that …Introducing our latest article for Mechanics News: “Decoding the Honda Element Code P2646 and What It Means for Your Vehicle”. Have you ever encountered the... Faulty Components: Oil Pressure Switch, VTEC Solenoid, or Actuator. The oil pressure switch is critical. It’s like the referee in a sports game, making important calls. If it’s faulty, it can miscommunicate the engine’s status. This leads to the P2646 code. The VTEC solenoid and actuator are also vital. 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. ... Add me to the list experiencing sudden p2646 @ 181k miles on my 05 EX.. Came on while leaving for work today, giving me a harsh kick @ 3k rpms. Won't rev any higher in gear, just harsh … DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ... We recently got a 2004 Element and are having an issue. It starts fine, and when it's cold it runs fine. However, when it gets warm it starts a cycle of hesitating/surging above a certain speed or RPM. So, when dead cold I can start it, get on the highway, and accelerate up to 60MPH with zero issues. HOWEVER, once the car warms up, if I slow ...A few months back car went into limp mode and code P2A00 came up. Replaced the 02 sensor and things were good until today. Throwing code P2A00 (02 sensor circuit range/performance bank 1 sensor 1) again as well as P2646 (Rocker arm actuator system performance or stuck off bank 1). Regarding the P2646-the car was down a liter …I got engine codes P1009 and P2646. The car runs fine. I have gotten it to go past 5000 RPMs when needed (usually accelerating to 80mph going up hill). I have read that the P2646 can usually mean a VTECH solenoid problem and usually that needs replacing if you are having trouble hitting higher RPMs. But that's not the case for me. Specifically ...VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit.And I’ve read a handful of reports in the sticky thread that heavy rain caused P2646, which leads me to think that water getting into the connector during heavy rains (and one report of P2646 after washing the engine bay!) may be able to cause an electrical short between the two VTEC pressure switch wires.This video is about Honda P2646 P2647 engine check code fix I-Vtec 2.4 Odyessy, Accord, Element, CRV. I go through what could be the cause of the fault code ...The P2646 Honda code is a diagnostic trouble code that indicates a problem with the engine oil pressure switch circuit of the VTEC system. It can be caused by a …Learn what the P2646 code means, how it affects your engine performance, and what you can do to fix it. Find out the possible causes, symptoms, and solutions for this common Honda Element problem.It is possible to completely avoid the Honda P2646 trouble code in many cases. The engine won’t get sludge buildup with a normal oil change and the right viscosity. If you follow the recommended maintenance schedule, you won’t need to worry about the P2646 DTC. Only Honda vehicles display the P2646 code, so keep that in mind.Jan 1, 2023 · Since low oil pressure is one of the potential causes of P2646, the real fix is new engine. However, there are many who are not yet willing to give up on an engine, and have decided to compensate for the low oil pressure by using a higher weight oil, such as 5w-30 or 5w-40. 2003-11 Element ALL ALL 2007-11 Fit ALL ALL REVISION SUMMARY Under REPAIR PROCEDURE, illustrations in step 2 specific to 2008-12 Accord PZEV were added along with additional FRT. SYMPTOM The MIL comes on with one of these DTCs: • P2646/P2651 (rocker arm oil pressure switch circuit low voltage). The dreaded P2647. I have been using this great forum to try and solve my CEL code. So far I have changed the oil pressure switch, cleaned both screens and the front and back of the head and even changed to a honda oil filter. So far I haven't fixed anything. The light only comes on when it's cold and once warmed up it will go away.This 2003 Honda Element seems to be possessed. The gauges stick or don't work at all, lights flash, relays click, it cranks but won't start. It also has a P2...A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011.Performing this bypass should not be your first option to get rid of a P2646/47 check engine light. This bypass is for people who, like me, have tried all the other solutions and still have the code return. This mod is a last ditch effort, not a first try solution. Before proceeding, you should check that 1) your vtec filters/screens are clean ...Just took my dads 2006 Element with 127k from him since he bought a new car and figured Id use this one for work. Had a check engine light on with code P2646 on it. Everything I have seen says vtec solenoid. Looks to be a common code. What should I start with first? Saw 2 different parts that came up.2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. ... P2646 has multiple potential causes, all of the causes are under $150 in parts to fix except one, and that would be low overall engine oil pressure. And with low engine oil pressure, you could …I just bought a 2006 Honda Element EX-P AWD with 158k miles. Absolutely love the car but am dealing with the much elusive p2646 code. Already changed the oil, oil filter, oil sensor, and the entire VTEC solenoid (with the correct part straight from Honda), but the car keeps bucking at 3000 rpm.1221 posts · Joined 2017. #28 · Nov 18, 2021. In case you decide to give it a chance, the vtec solenoid is just 1 of several parts with those screen filters. Since the vtec solenoid was replaced you still have to remove and clean the. 1.Vtc. 2.Vtc strainer filter. 3.Vts solenoid. 4. Yes the vtec solenoid filter again.If it does not it will set the code. At 3000 rpm it should take at least 57 psi oil pressure to open the rocker arm oil pressure switch. If the oil pressure is low at that point throwing parts at it will not correct the issue. Read the info at the link below. P2646 Honda.BrierSantaBarbara Discussion starter. 72 posts · Joined 2021. #1 · Mar 5, 2024. Hello! I know that the famous P2646 code has been discussed in depth, but i have a question about it that I haven’t seen addressed yet. My 2006 E (Atomic Blue) threw the code & went into limp mode 2 months ago. Did everything, replace Vtek valve with OEM, clean ...Honda CR-V & Element - Honda element 2006 check engine light code p2646 faulty acceleration - My Honda elements (2003 and 2006) have both suddenly (last couple days) started to stutter badly on accelleration at times, not all times. I have an obd reader and the check eng light code is p2646...I have a 2007 Element, SC. It has 210,000 miles on the car. At 200,000 I had a P2646 code pop up. Check engine light came on, VSA and The triangle and exclamation mark. The vehicle bucked and shook on hard acceleration. I was out of town and had a local mechanic change out the VVT pressure switch, change the oil.p2646 Engine code returning after obvious repairs. Have a 2003 honda element with 116,000 miles. It's in good shape except for this recurring issue. I have had my VTEC solenoid replaced twice since I bought this vehicle 1 month ago. I've had the oil flushed once between these two replacements.If the oil is dirty or hasn’t been changed in a while, try changing the oil as well. Note 2: I have also had success performing an engine flush to clear the P2647 code. It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue.-P2646 VTEC OIL PRESSURE SWITCH CIRCUIT MALFUNCTION Next, took it for an oil change, in which after the tech noted the CEL turned off and now I can't get the problem to replicate. Very strange, still have an appointment with Honda on wednesday, will take the paper with me. After reading through the thread, it seems it could be a …2003 Honda Element has P2646 code for VTEC system and is cutting out at 2600rpm. Checked oil and screens, the spool valve assembly replaced 1yr ago but stil...Fleetw00d. P2646 will cause your engine to go into limp mode at about 3000 rpm which is why you're experiencing the "sputtering". It is not in vain, but do not just simply throw parts at it. P0420 is a catalytic converter efficiency code; it may set the code, but shouldn't cause drivability issues like the P2646. 2003-11 Element ALL ALL 2007-11 Fit ALL ALL REVISION SUMMARY Under REPAIR PROCEDURE, illustrations in step 2 specific to 2008-12 Accord PZEV were added along with additional FRT. SYMPTOM The MIL comes on with one of these DTCs: • P2646/P2651 (rocker arm oil pressure switch circuit low voltage). VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit. A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011. Apr 12, 2020 · Common p2646 question. Hi all, I am new to the forum and hoping for some help. I have an 04 cry and code P2646 popped up. So the first thing I did, from a suggestion on line was pulled off the Vtech selonoid and cleaned the screen filter and changed oil. But I didn’t have correct oil, I used 5w30 synthetic, 4 qts and topped off with reg 5w30 ... lostwater said: Hi! I am looking to buy a Honda Element and reading here there are many many posts about the P2646 code with the oil pressure switch and going into limp mode. I've seen these for the 2003-2006 generation Element, but haven't yet seen a post mentioning the problem in later Elements (2007 on) when the motor changed (10 …VTEC SOLENOID REPLACEMENT AND /OR JUST SCREEN REPLACEMENT. HONDA 2.4L ENGINE 4 CYLINDERS. SAME ON CRV, ELEMENT ACCORD CIVIC. CHECK ENGINE LIGHT. HESITATE AND...P2646 Rocker Arm Oil Pressure Switch Circuit A Low VoltageCustomer brought in the car and thought the transmission was slipping and free reving. I diagnosed ...Step 1: Diagnostic Scan. Before diving into any repairs, it’s essential to perform a diagnostic scan to confirm that code P2646 is indeed the issue. You can use an OBD-II scanner to retrieve the trouble codes from your Honda Accord’s ECM. Make sure to write down the codes displayed for future reference.I have a 2003 element that started throwing the p2646 code. Oil is good. I've replaced both the vtec unit on back of engine and the vvt solenoid on the side of engine (one bolt cylindrical slide in unit). Still getting the code everytime. Also replaced the p.i.t.a to get to screen on the front of the engine.Dark Mode; Light Mode; menu Log inDreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon.The Audi doesn’t have a P2646 code in its DTC list. Variable Valve Lift in VTEC and Other Systems. On the VTEC system, there are three camshaft lobes for each pair of valves controlled by this system – the three lobes all spin together – the outer lobes have less lift than the center lobe, which is activated by a locking pin whenever the ECM/PCM calls for the center lobe to provide the lift.P2646 - Surging. Jump to Latest Follow ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. Like. jtyson Discussion starter 7 posts ...When it comes to purchasing a Honda generator, finding the best deals and discounts can make a significant difference in your overall budget. With so many options available in the ...Introducing the P2646 Honda Element – the ultimate guide for all Honda enthusiasts out there! If you're a proud ownerGood luck trying to buy a Toyota, Kia or Honda. These auto brands have the lowest supply of cars available for sale at dealerships now. By clicking "TRY IT", I agree to receive new...I have a 2007 Element, SC. It has 210,000 miles on the car. At 200,000 I had a P2646 code pop up. Check engine light came on, VSA and The triangle and exclamation mark. The vehicle bucked and shook on hard acceleration. I was out of town and had a local mechanic change out the VVT pressure switch, change the oil.If your Honda Accord is overheating, the cause could be any of the vital elements of the cooling system. Those elements are the heat exchanger, fan, water pump, thermostat and cool... DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ... But I have the old p2646 thing going on currently, have replaced the whole solenoid, not just the oil pressure switch, have been changing the oil every 1000 miles, and for the last 3500 miles or so, I'm still getting the CEL, and for the same p2646.2003 HONDA ELEMENT. 4 CYL. AWD. AUTOMATIC. 125,000 MILES. I have a 2003 Honda Element and it is throwing a P2646 code. I found that the majority of posts blame this to the Oil Pressure switch. I replaced it and cleared the code. Drove it around and the code came back and engaged the "limp" mode (2800 rpm limiter).Honda Element. Problems & Issues. P2647 Problem Found and Solved (also P2646) Jump to Latest Follow. 28K views 23 replies 14 participants last post by SilentLou Aug 9, 2023. Tovey7 Discussion starter. 33 posts · Joined 2021. #1 · Dec 21, 2021. So I had a P2647 error code come on along with CEL.FWIW, variable valve timing switch is a somewhat generic term. For the Honda, they are likely referring to the VTEC (variable timing electronic lift control) pressure switch or the VTEC spool assembly (aka VTEC solenoid). The VTEC pressure switch and VTEC solenoid are two common causes of P2646. However, there are other faults that can cause ...VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit.The dreaded P2647. I have been using this great forum to try and solve my CEL code. So far I have changed the oil pressure switch, cleaned both screens and the front and back of the head and even changed to a honda oil filter. So far I haven't fixed anything. The light only comes on when it's cold and once warmed up it will go away.A few months back car went into limp mode and code P2A00 came up. Replaced the 02 sensor and things were good until today. Throwing code P2A00 (02 sensor circuit range/performance bank 1 sensor 1) again as well as P2646 (Rocker arm actuator system performance or stuck off bank 1). Regarding the P2646-the car was down a liter of oil so that was ...

The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011. ... CEL and VSA light, car jerks around 3k RPM, my basic scan tool showed P2646. This is typically related .... Flea flickers

p2646 honda element

Introducing our latest article for Mechanics News: “Decoding the Honda Element Code P2646 and What It Means for Your Vehicle”. Have you ever encountered the...To diagnose the P2646 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.authorized Honda automobile dealer. July 16, 2013 13-021 Applies To: See VEHICLES AFFECTED MIL Comes On With DTCs P2646/P2651 or P2647/P2652 (Supersedes 13-021, dated February 28, 2013, to revise the information marked by the black bars) REVISION SUMMARY • Under VEHICLES AFFECTED, 2012–13 Civic models (except Si and Hybrid) were added.A week or so ago, check engine light comes on, scan... P2646 for the A rocker arm actuator not performing. Was not in limp mode, just sluggish. Went and got the oil changed, reset, went away for an hour and came back. A day later I pick up a brand new OEM valve spool assembly from a Honda dealership.2003 Honda Element has P2646 code for VTEC system and is cutting out at 2600rpm. Checked oil and screens, the spool valve assembly replaced 1yr ago but stil...2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. ... P2646 has multiple potential causes, all of the causes are under $150 in parts to fix except one, and that would be low overall engine oil pressure. And with low engine oil pressure, you could …Honda Element: 2005 honda element 2.4L code PO135 AF sensor 2005 honda element 2.4L code PO135 AF sensor S1 heater circuit malfunction, replaced o2 sensor, 2nd code P2646 VTEC pressure switch circuit voltage low, replaced with new switch update version still d …I have a 2003 element that started throwing the p2646 code. Oil is good. I've replaced both the vtec unit on back of engine and the vvt solenoid on the side of engine (one bolt cylindrical slide in unit). Still getting the code everytime. Also replaced the p.i.t.a to get to screen on the front of the engine.Faulty Components: Oil Pressure Switch, VTEC Solenoid, or Actuator. The oil pressure switch is critical. It’s like the referee in a sports game, making important calls. If it’s faulty, it can miscommunicate the engine’s status. This leads to the P2646 code. The VTEC solenoid and actuator are also vital.Feb 28, 2023 · 1316 posts · Joined 2008. #2 · Mar 1, 2023. I would have to think that the P0420 and the P2646 are unrelated and troubleshoot them separate from each other. I would think that a persistent negative fuel trIm might be a cause of early cat failure, so I might consider looking at that together with the P0420. Are you looking for the best deals on a Honda Civic? With so many options available, it can be difficult to know where to start. Fortunately, there are a few tips and tricks that c....

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