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1312 posts · Joined 2008. #2 · Mar 18, 2023. Id say the P0171 is a separate problem from the VTEC codes and VSA which tend to go together. Read through the gigantic sticky thread on the VTEC codes. What you choose to do first would probably depend on the tools you already have.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 ...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.P2646 – Rocker Arm Actuator System Performance/Stuck Off Bank 1; ... My 2004 Honda Element that I purchased in Feb 2020, started bucking and jerking 4 months after I purchased it. I had the oil changed with full synthetic and then after a time it started to buck and jerk again. I got a code reader and it said to replace the solenoid.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 …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.Honda is recalling over half a million cars due to corroding parts. Over half a million Honda vehicles have been recalled after multiple reports of a rear part detaching due to cor...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.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...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 …#1 · Jan 1, 2023. Ok I got code P 2646 "rocker arm actuaror" acording to forum or youtube I bought in Napa vtec solenoid "Dorman" after change super happy no engine light, VSA …The P2646 code is likely the most difficult problem to diagnose on a Honda 2.4 VTEC engine. There is no "Just Do ..... and you'll be good to go" answer. It could be any number of issues or a combination of issues. Here are some links I have saved over the years that have been helpful: Uh - Oh!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).Constant 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.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.Jun 30, 2005 · 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. 2011 Honda CR-Z 2003-2011 Honda Element 2007-2011 Honda Fit The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. User Submitted Video. ⚠ Check if your Honda have Safety Recalls. Description05 Honda Element EX currently 125000 miles: original owner Beginning in 2012 (60k miles) I threw my first P2646. Replaced the entire valve assembly. Almost every 3 years this thing rears its head and I have learned to replace both screens during the oil changes. However, I have no trust with driving my car on the freeway anymore as the first ...P2647 Problem Found and Solved (also P2646) Jump to Latest Follow 21 - 24 of 24 Posts. 1 2. E. Element24 · Registered. 2004 Honda element Awd automatic Joined Jul 26, 2020 · 64 Posts #21 · May 6, 2022. Only show this user. Element24 said: Yeah its going to be the aftermarket part this happened to me. ...The code will set above 2500-4000 RPM if the VTEC oil switch does not open. 5. If the code sets at 2500-4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly. The pressure switch can be erratic, so test it a few times before testing the other components.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.My 2006 Honda Element EX-P is just over 165k miles and has been having issues starting. The problem began during the winter where the car would struggle to start during cold weather, and only on the first start of the day. ... Battery check showed the charge, alternator, and starter to be fine. I got engine codes P1009 and P2646. The car …

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.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. ... Element Owners Club is your go to forum community to discuss your Honda Element, and get ...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.2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. ... Intermittent P2646 faults and engine oil pressure One of the problems in my above proposed methods of testing your VTEC system is when you have a P2646 that is intermittent. If your fault is intermittent, …I have just had the third failure (balking and jerking under load) that my code scanner reports as P2646, after paying twice to have the problem repaired. Latest repair was by my Honda dealer. Ran normally for approxl 150 mi. then started failing again. The scanner says "P 2646 ..."A Rocker Arm Actuation System /Performance/Stuck Off/ Bank 1".

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 …P2646 Honda Element is an OBD code that detects a problem with the rocker arm control circuit of the VTEC system. It can cause engine performance issues, …May 10, 2021 · There is a thread stickied for P2646 that has a wealth of information. You need to check what your oil pressure actually is; if insufficient to operate the system, changing the solenoids and switches won't fix it. VTEC problem: Code P2646 (also 2647, 2648, 2649) | Honda Element Owners Club …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT A. Possible cause: Dreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212.