These links are for the Accord, Element, CR-V, etc. When the engine rpm drops below VTEC operation, the VTEC solenoid is not energized and hydraulic oil pressure is turned off. There are supposed to be 2 kinds of oil pressure switch.. the one which is plugged in directly to the engine block below the vtec solenoid and the one on top of the vtec solenoid. Can't find the connector you need? I've been reading many forums trying to learn about the P2646 issue but need some help. There are times when this code is accompanied by an inability of the VTEC to engage physically, resulting in a low or no rev limit. Finally, it's time to reset the computer. Is there a write up on how to replace the rocker arm oil pressure switch??? Some 2013 Acura RDX SUVs may intermittently illuminate the check engine light and store trouble code P3400 and/or P3497 in the PCM. Before ordering the new parts, however, check the engine oil dipstick because a low oil level can cause these codes to set. The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid. If you prefer to shop in person for the right Oil Pressure Switch & Sender products for your Odyssey, visit one of our local Advance Auto Parts locations and you'll be back on the road in no time! Light went off but I want to replace oil pressure switch.
The two systems, VTEC and VTEC-E are controlling valve actuation and valve lift utilizing solenoids which engage to apply oil pressure to the valve timing system. I've fixed quite a few by simply spinning on a different brand filter. For this code to be triggered in your case, a mechanic must diagnose the exact cause. Wiring looks fine no breaks, cuts, or chewed wire's. The VTEC kicks in, but oil pressure never gets to the rocker shaft. If a problem occurs, the ECM can turn off VTEC operation and will set a code, turning on the "check engine" light. One likely cause, reports Acura, is a sticking rocker arm oil pressure switch. Sent from my SM-G955F using Tapatalk. That's the part that usually fixed that code. From what I read, they tend to go off when it is cold outside. This action causes the outer rocker arms to be pinned to the middle rocker arm and now the three rocker arms operate as a unit, using the high-lift camshaft lobe for improved high-end power.
This allows the return spring to return the pistons to their rest position and lets the rocker arms operate independently again. What Are The Possible Causes Of The Code P2647 Honda? Or rocker arm actuator located? NOTE: Prior to reassembling, clean all the parts in solvent, dry them, and apply MTF to all contact surfaces... Mainshaft Inspection. Shift Fork Disassembly/Reassembly. Can't be sure if this is the vtec or the main oil. The location of each rocker arm oil pressure switch is shown in the illustration. More than 90 years ago, the National Automotive Parts Association ("NAPA") was created to meet America's growing need for an effective auto parts distribution system. 11-08-2001 09:52 PM. Rocker arm oil pressure switch replacement... # 1. 1st Generation (GD 01-08). An ECM/PCM command that determines the hydraulic circuit oil pressure is different from the hydraulic circuit oil pressure. If I were venture a guess, it could be a feedback loop that tells the ECU that the solenoid is operating.... it's neither stuck open or closed.
Install the parts in the reverse order of removal with a new O-ring (C). For Sale / Want To Buy / Classified Ads for USED Fit Items. The driver may experience the following symptoms as a result of this trouble code: - A poor electrical connection exists in the circuit for the VTEC/rocker arm oil pressure switch. However, there seems to be different types of oil pressure switches for my car. I bought new o-rings/o-ring filter from a Honda parts wholesaler and am going to change those to see if it will stop bucking at 3000 rpm before I buy part #12 (oil pressure switch). Gonna have to read the code. There are multiple causes for the error P2647. Photo courtesy of Wikimedia Commons.
VTEC oil pressure switch P2647 is a code associated with it. Car manufacturers may remove certain bits that are either unnecessary, non-essential, or otherwise doesn't affect the performance of the vehicle, to lower the cost. 10-31-2015 11:39 PM. Someone suggested the ECM my be faulty and ask on a new thread. Remove the rocker arm oil pressure switch (B). During acceleration, there is hesitancy or a stumble. 2nd Gen GE8 Specific Fit Engine Modifications, Motor Swaps, ECU Tuning Sub-Forum. Although this material has been prepared with the intent to provide reliable information, no warranty (express or implied) is made as to its accuracy or completeness. Test drive showed that all was well, but the CEL wouldn't go out. Under low engine RPMs and when the oil pressure switch does not open at higher RPMs, the trouble code is set. Disconnect the rocker arm oil pressure switch connector (A). But if your car is missing it, there could be any number of reasons why. It's the VTEC valves' pressure switch, it's sticking out the side of the VTEC valve.
Does anyone know if the OP was referring to part #10 strainer or the part # 5 O-ring strainer? The best part is, our Honda Odyssey Oil Pressure Switch & Sender products start from as little as $14. Dirty oil can plug the screens through which oil is supplied to the solenoid. What is the code now, the same code as before? Were is the sensor that I need to replace? Car has 109k miles and started the bogging down this morning. I'll need to replace that sensor whan I have some spare $. Located near the oil filter on the back of the cylinder block is the Variable Timing/Lift Control oil pressure switch. I'm not concerned of CEL, but just curious what functions the rocker arm oil pressure swtch serves and why removing it can still make it work.. what other parts of car ba in 3rd world countries where some parts are removed.. anyone has a list? Today, 91% of do-it-yourself customers recognize the NAPA brand name. The engine oil needs to be added or changed. Some of our top Oil Pressure Switch & Sender product brands are Carquest Premium and Carquest.
12-04-2015 01:26 AM. VTEC stands for Variable Valve Timing with Electronic Control. We have over 6, 000 NAPA Auto Parts Stores nationwide serving all 50 states with a unique inventory control system that helps you find the exact part that you need. As well as charging and discharging the hydraulic circuit of the VTEC mechanism for switching between Low and High valve timing. I. C. E. (Audio) & Electrical Upgrades. I searched online and found this for your future reference: "When driving the vehicle with the rpm high enough for VTEC operation, the engine control module (ECM) operates the variable valve timing solenoid to open the solenoid and allow oil pressure to be applied to the pistons in the intake rocker arms. Please visually compare and make sure your connector matches the connector on the photos. But main oil pressure is under the intake, but above the oil filter (aka behind the engine, accessible only by under unless you remove the intake which you will need to go under to remove, so... # 3. No matter the cause, this trouble code is serious, but if timing issues are present, it is even more serious.
Complete our connector request form or email us to [email protected] and we'll try to locate one. Reasons for no VTEC operation include low engine oil level, VTEC solenoid not opening or the screen behind it is restricted, an engine that has low oil pressure, or an oil pressure leak to the rocker arm assembly. When it comes to your Honda Odyssey, you want parts and products from only trusted brands. This issue can be easily caused by the low or wrong engine oil, causing other parts to be replaced in error.
The PCM monitors a voltage drop to determine whether the switch is closed or grounded. It sounds like the screen getting clogged is more of the problem than the switch. It's supposed to no. Diagnose And Fix Honda P2647. Join Date: Aug 2016. Although the location is slightly different for each car, it gives you an idea what the oil pressure switch is attached to.
This is just out of curiosity and not out of deep concern naman. You must login to post a review. I stuck my finger through the two gas flaps and immediately the emissions error and check engine light went away. Location: Richmond, VA. Posts: 3. When this system fails to operate properly the ECM may set a code. I noticed this after researching the exact location of my "oil pressure switch leaked".
This code will be a P1259 on a vehicle with OBD-II. Car makers delete some features especially on 3rd world countries. If unsure, click on the item inquiry and attach photos of the damaged connector or the part that it plugs into and we'll verify it for you. What Is Code P2647 Honda's Possible Symptoms?
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