Code p2646 honda element

It was a gigantic pain in the dick and didn't solve the issue, but it did make the code switch from p2646 to p2647, and turn back on immediately after clearing codes. I figured that meant it was very unlikely to be any actual physical issues with oil pressure - blockages, low oil, dirty passages or crud somewhere in the system.

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).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. ... Code P2646 troubleslostwater 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 problem: Code P2646 (also 2647, 2648, 2649) ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k ...The VTEC system controls the variable valve timing in your Element. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. When the pressure is lower than the solenoid, the check engine light will come on and you’ll get P2646. Here’s … See moreDreaded 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.2003 honda element k24a4 throwing P2646. Cleaned screens, oil change with filter, replaced entire vtec spool/oil pressure switch, and vvt solenoid. still throwing code ... 2005 honda element 2.4L code PO135 AF sensor S1 …In the world of e-commerce, efficient and accurate shipping is a crucial aspect for any online business. One key element in ensuring smooth shipping operations is having the correc...

5 Posts. #55 · Mar 14, 2022. 10/08/2021 – First time my element (07 5spd 150k) had the issue, about 4 hours into a road trip, code P2646. Anytime you stay above 2700RPM for 10 seconds it engages limp mode. We bought an entire solenoid assembly (aftermarket) (casting, solenoid, pressure switch, gasket screen, etc.).During the first two weeks Honda's new HR-V was on the market, an impressive 6,381 of the tiny crossover SUV were sold. That's triple the rate of any other model in its category d...Different types of Honda maintenance codes include the main-codes “A” and “B” and the sub-codes “1,” “2,” “3,” “4,” “5” and “6.” These codes are managed by the Maintenance Minder s...Honda vehicles commonly display the diagnostic trouble code P2646. It indicates that the oil pressure switch for the rocker’s arm is malfunctioning. Often referred to as the VTEC (Variable Valve Timing & Lift Electronic Control) switch, the Rocker arm oil pressure switch verifies oil pressure in the VVT mechanism.Jan 2, 2022 · 176 posts · Joined 2017. #5 · Jan 2, 2022. I switch to 5-30 oil over 200k miles to prevent the oil pressure drop which CAN (not does) trigger a P2646 code with loose bearing clearances on higher mileage engines. That and clean oil, and clean screens, help 90% of the time. Mike1953. Dec 24, 2018 · First,take out the dipstick and check the color of the oil.Is it clean?If relatively clean,there might be a problem with the VTEC valve assembly. Follow this video to replace it. 1 Like. Tester December 24, 2018, 4:15pm 3. Change the oil and filter and add Seafoam to the oil to see if provides any benefit. My mom has been the owner of my 2003 for 5 years now. This week the car's CEL came on and it went into limp mode. When I had the codes checked, we came up with P0304 and P2646. I ordered and replaced the VTEC Solenoid Assembly with Timing Oil Pressure Switch and Gasket. I pulled the battery to clear the codes.

I have a 2003 Element 2WD A/T with 146000 miles. 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 ...P2646 Code, should this be a lawsuit? ... 2003 Honda Element Sunset Orange Pearl 2WD Automatic 135K Miles I Love It! Joined May 16, 2017 · 2,801 Posts ...P2646 code pops up with no other codes. Because cleaning the Vtec solenoid screen is easy and I free fix, I did that first. Code stayed on but problem went away for one day. I decided to order the parts and fix it right. I purchased directly from my local Honda dealer (almost $200 for the solenoid alone).Read here for P2646: VTEC problem: Code P2646 (also 2647, 2648, 2649) | Page 26 | Honda Element Owners Club 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 ...

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What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.How to fix Honda code P2646 VTEC for free. You're going to want to try and clean the screens for the spool valve the VTEC valve and one other screen on the f...Jan 17, 2024 · Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM). 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 ...1K. 106K views 4 years ago. In this video, young mechanic Aiman discusses P2646, which is an OBD-II generic code for the engine control module (ECM) detecting …Introducing the P2646 Honda Element – the ultimate guide for all Honda enthusiasts out there! If you're a proud owner

P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P2646 Honda Questions and Answers.Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited. In the meantime Greg did some searching and found out that the Japanese K24 has a different intake advance cam. ... So I purchased a 2003 Honda Element EX 5 …The VTEC system increases the amount of intake valve lift for increased power. It accomplishes this by turning a control solenoid 'ON' to allow oil pressure into the VTEC control passages to apply pins that will lock the intake rockers. When the oil pressure is present, the pressure switch signal will go high.IF, AFTER ALL OF THAT, YOU STILL HAVE A RETURNING P2646/47 CODE, THEN YOU MAY CONSIDER PROCEEDING WITH THIS BYPASS. ... 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. Show more replies. 0 Reply. …G101 is the one on top right of the intake. Spliced a new wire and voila, no more voltage on pin 1. Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited.Wiring Issue – P2646 indicates that the voltage from the VTEC/Rocker oil pressure switch is low. This means that a wiring issue very well could be at fault. Take a look at the wiring harness where it plugs into this switch. Make sure that it is undamaged and securely plugged in. Trace the wiring back and see if it is damaged anywhere.2788 posts · Joined 2017. #1 · Jun 24, 2019. After one year and 15K miles, I got my first (hopefully not major) issue with my 2003 EX Auto (now at 126K mile). Yes, the dreaded P2646 Code! : - (. My CEL came on and the engine will not rev past 3000 RPM; but seems to run smoothly otherwise. I got it checked at Auto Zone (don't have my own ...P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P2646 Honda Questions and Answers.There is'nt much troubleshooting you can do without an oil pressure gauge. Let me know if I can assist you further. Thanks! Replace VTEC Oil Pressure. Switch for DTC P2646, P2647. NOTE: This article applies to '03-05 Accord L4s, '03-05 Elements, and '02-05 CR-Vs. Got a vehicle in your shop with either of these.backgournd: 2008 honda element ~150K miles, no other issues or codes, change oil every 5k with specified weight. Current oil level is full and has about 500 miles usage. ... The P2646 code sets when the ECM does not see the rocker arm oil switch change state when the rocker arm oil control solenoid is switched on. Simple, except …That P2646 code triggers a lot of other weird codes. I remember that rocker arm CEL along with a transmission code or something along those lines. What I am saying is I don't think it is your rocker arm that is the issue. ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT …I have a 2003 Element 2WD A/T with 146000 miles. 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 ...

The code pulled is P2646 on my 2008 Element, which is "Rocker Arm Actuator Stuck Bank 1". The original fix was to replace the VTC Oil Control Valve (Rocker Arm Oil Pressure Switch) as well as the Variable Valve Timing (VVT) solenoid. This was per a Honda TSB found by my mechanic.

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 ...I have a 07 Honda Element AWD. my problem is that every couple of weeks to couple of months I get a P0420 and then shortly afterwords I get a P2646 rocker arm actuator oil control valve stuck on/off code. I didn't think the two were related at first. I put some cat-a-clean in it and that fixed the p0420 for a while. I'm not doing that again.Jul 1, 2017 · G101 is the one on top right of the intake. Spliced a new wire and voila, no more voltage on pin 1. Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited. What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.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. It was a gigantic pain in the dick and didn't solve the issue, but it did make the code switch from p2646 to p2647, and turn back on immediately after clearing codes. I figured that meant it was very unlikely to be any actual physical issues with oil pressure - blockages, low oil, dirty passages or crud somewhere in the system. The trend is not limited to metropolitan areas. Despite the poor economic sentiment in India—that has caused massive layoffs and steep pay cuts—Indians are more willing than before...P2646 Honda P2646 Honda — Diagnose and fix. Shops are reporting a high incidence of P2646 Honda trouble codes on Honda CR-V, Honda Element and Accord models with the 2.4L engine. The P2646 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. Honda has issued a service bulletin #13-021 to address the problem on the ...Service Bulletin 13-021. (g)HONDA Service Bulletin 13-021. September 16, 2015 49031-02409 Version 3. MIL Comes ON with DTC P2646/P2651 or P2647/P2652. (Supersedes 13-021, dated February 28, 2013, to revise the information highlighted in yellow) AFFECTED VEHICLES Year Model Trim VIN Range 2003-12 Accord L4 ALL ALL 2012-13 Civic ALL …

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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 ...Learn how to fix ERROR CODE P2646 on your HONDA with the 2.4L engine.If this video is helpful, give it a "thumbs up" and consider subscribing to our channel....103 satisfied customers. I have a Vtec low pressure code p2646. The code is P2646. yes. I replaced the pressure switchsolenoid assembly with the little screen on the back left of the engine, and the pressure sensor located … read more. Ricardo Hohl. Auto Motive Instructor.We had to replace the same battery cable on my Daughter's boyfriend's 2005 Element. There were a few more strands intact (maybe 9!) and the starter motor was cranking pretty slowly. What a difference with a new cable! BTW the Standard Brand P/N A21-6TA replacement cable has the twin leads and the correct lugs on the ends to fit the …Bought 2003 element. Check engine was on and code was P2646. The car didn’t want to go over 3500 rev. I replaced screens on solenoids and one extra under the lid. Problem solved. Traveled 800 miles in 2 days and on highway code popped up again.Jan 17, 2024 · Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM). If you’ve recently found yourself staring at your Honda’s radio, unable to unlock it because you don’t have the code, don’t worry – you’re not alone. Many Honda owners face this fr...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...You might not care about VTEC, but the engine does; with the P2646 code set, the engine won't accelerate past about 3000 rpm which doesn't make the vehicle very drivable. Minimum oil pressure at idle is supposed to be 10 psi; 44 psi at 3000 rpm; so you're good there at least.Aug 4, 2006 · The code came up P2646 (rocker arm off or stuck). I took the info and drove about 20 more total miles and then it happened once again. I looked at the some info online and decided it might be VTEC oil pressure switch related as the code diagnostics said. SO I picked up one up and installed it. ….

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...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).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.The VTEC pressure switch and VTEC solenoid are two common causes of P2646. However, there are other faults that can cause P2646, including low VTEC oil pressure (from dirty oil clogging filter screens in the engine, low oil, wrong oil, bad oil pump, worn engine etc), loose wire connectors/broken wiring, and computer errors.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 …Read here for P2646: VTEC problem: Code P2646 (also 2647, 2648, 2649) | Page 26 | Honda Element Owners Club 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 ... Learn how to fix ERROR CODE P2646 on your HONDA with the 2.4L engine.If this video is helpful, give it a "thumbs up" and consider subscribing to our channel.... 103 satisfied customers. I have a Vtec low pressure code p2646. The code is P2646. yes. I replaced the pressure switchsolenoid assembly with the little screen on the back left of the engine, and the pressure sensor located … read more. Ricardo Hohl. Auto Motive Instructor.Oct 20, 2022 · How to fix Honda code P2646 VTEC for free. You're going to want to try and clean the screens for the spool valve the VTEC valve and one other screen on the f... 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. Code p2646 honda element, If the oil is dirty or the level is low, the check engine light may appear for code P2646. Drain as much oil as possible, replace the solenoid, and keep up with oil changes as much as possible. 2. Ignition Switch Problems. Flashing green key light on 2003 to 2011 Honda Pilot., 08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil., This makes sense that pressure switch connector is susceptible to moisture leaking into the terminal, causing a short and code 2646, and possibly resulting in corroded terminals and an open circuit and code 2647 as I experienced. DCM. 1063 posts · Joined 2021. #13 · Jan 7, 2024., 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., Code for rocker arm actuator p2646 think and a. 08 Honda crv. Code for rocker arm actuator p2646 think and a 83-1. Replaced vtec varaible speed oil solenoid system but it came back … read more. Anthony P., Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM)., For manufacturers willing and able to make in America, the IRA is a blessing—for all others, it’s a spoke in their wheel. Japan’s Honda and South Korea’s LG have together earmarked..., In the world of web design, every element plays a crucial role in creating a visually appealing and user-friendly website. One such element that often gets overlooked but is of par..., P2646, which is an OBD-II generic code for the engine control module (E... This is basically Part 2 in a conquest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic ..., Dreaded 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., VTEC problem: Code P2646 (also 2647, 2648, 2649) Tags cel element 2003 engine engine light jumping limp mode malfuntion p2646 p2647 p2648 p2649 rpm vsa vtec. ... 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., The VTEC pressure switch and VTEC solenoid are two common causes of P2646. However, there are other faults that can cause P2646, including low VTEC oil pressure (from dirty oil clogging filter screens in the engine, low oil, wrong oil, bad oil pump, worn engine etc), loose wire connectors/broken wiring, and computer errors., 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..., Got the P2646 code (as a result of a check engine light and VSA lights) Oil screen was nasty. Cleaned with carb cleaner and problem fixxed. The P2646 code was giving a rocker arm problem code (ridiculus) Per your request, uploaded some photos with arrows. YukonCRV., Home. Forums. Honda Element. Problems & Issues. VTEC problem: Code P2646 (also 2647, 2648, 2649) cel element 2003 engine engine light jumping limp mode malfuntion p2646 p2647 p2648 p2649 rpm vsa vtec. Jump to Latest Follow. 602K views 627 replies 228 participants last post by EWhat Mar 31, 2024. BriBoy01 Discussion starter., In technical terms, P2646 is an OBD-II generic code, which stands for “A Rocker Arm Actuator System Performance or Stuck Off Bank 1.”. Long story short: your engine’s brain—the Engine Control Module (ECM) or Powertrain Control Module (PCM)—isn’t happy with the rocker arm oil pressure switch. This switch is integral to the Variable ..., When it comes to constructing a building, ensuring compliance with building codes is of utmost importance. One key element that plays a crucial role in meeting these regulations is..., 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., In a color-coded periodic table of the elements, the box for each element is colored. This color represents the classes of elements, which include metals, metalloids and non-metals..., I have a 2005 honda element the check engine light came on p2646 I put the complete assembly on it but when I was installing it I broke the oil pressure switch connector I put it on as best I could but it feels loose and the code p2646 came back after installing everything do you think that could be the problem? and i just changed the oil, #1 · May 12, 2018 (Edited) Hello everyone! Bought 2003 element. Check engine was on and code was P2646. The car didn’t want to go over 3500 rev. I replaced screens on …, Hey, everyone! 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. ... VTEC problem: Code …, P2646: Your Engine’s Secret Alarm Bell. The P2646 code refers to the ‘A’ Rocker Arm Actuator System PerformanceStuck Off Bank 1. The Engine Control Module (ECM) controls the oil hydraulic circuit through the Rocker Arm Actuator. The Rocker Arm Actuator adjusts the engine’s valve timing through the variable valve timing (VVT) system., In the world of web design, every element plays a crucial role in creating a visually appealing and user-friendly website. One such element that often gets overlooked but is of par..., 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, Okay so to add to this set up death to a Honda issue. Becuase I too have been suffering this plaque. Long and short: First time this happened a local oil change place put 10w40 in my Element. Within a mile of the shop it blew P2646 code. Took it to my mechanic, he did a oil test and thats how I know what was put in the car., Jul 18, 2023 · Honda vehicles commonly display the diagnostic trouble code P2646. It indicates that the oil pressure switch for the rocker’s arm is malfunctioning. Often referred to as the VTEC (Variable Valve Timing & Lift Electronic Control) switch, the Rocker arm oil pressure switch verifies oil pressure in the VVT mechanism. , Took the car to auto zone, retrieved the codes: -U0107 TAC MODULE COMMUNICATION (indicates the PCM did not receive a message from the throttle actuator control module within a predetermined period of time) -P2646 VTEC OIL PRESSURE SWITCH CIRCUIT MALFUNCTION., Oh 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., Jul 1, 2017 · G101 is the one on top right of the intake. Spliced a new wire and voila, no more voltage on pin 1. Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited. , The code pulled is P2646 on my 2008 Element, which is "Rocker Arm Actuator Stuck Bank 1". The original fix was to replace the VTC Oil Control Valve (Rocker Arm Oil Pressure Switch) as well as the Variable Valve Timing (VVT) solenoid. This was per a Honda TSB found by my mechanic., Feb 6, 2020 ... This is basically Part 3 in a quest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic code for the engine ..., 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 …