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Just had a guy look at my car I'm trying to sell. He test drove it and the check engine came on. I had a buddy check it for me and he said it was the VTEC switch part #37250-pne-g01 and so I bought it and cleared it. I drove it and sure enough it came back and it doesn't seem there's anything wrong with the motor its find at start up and goes fine for a few minute's (5min max) and then when you want to go and pedal down it falls on its face... 2003 accord lx 2.4 IvTECH
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Sorry. Yes the code came back the same and oil level is fine right in the middle. Wiring looks fine no breaks, cuts, or chewed wire's. The oil passage looked good as well no clogs that is... No access to that tool. buddy went to cert class for honda and he's going out town for the holidays. bad luck for me.
the VTEC OPS was replaced but still had the dtccome back. someone suggested the ECM my be faulty and ask on a new thread. SIR_NASTY suggested that the screen on the VTEC solenoid might be clogged or the switch was bad. Turns out the strainer on the Vtec was clump up not to bad but enough that i guess it cause all this. THANKX again SIR_NASTY
SO far so good, it looks like it fixed it. Got my fingers and toe's crossed.
i have the same code on my 2005 Accord. trying to locate the vtec solenoid etc. but having a hard time finding the assembly that it belongs to. Majestic honda diagram not very clear. any better diagrams etc ?
Did you check the oil level first? Did you also try an oil change too?
It should be visible from the top, near the back of the engine. #12 in the diagram.
These links are for the Accord, Element, CR-V, etc.; although the location is slightly different for each car, it gives you an idea what the oil pressure switch is attached to. Copy & paste without quotation marks to view.
I have the same problem on my 2006 EXL sedan 2.5L. 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). It sounds like the screen getting clogged is more of the problem than the switch.
Does anyone know if the OP was referring to part #10 strainer or the part # 5 O-ring strainer?
Hopefully someone can help out. I've been reading many forums trying to learn about the P2646 issue but need some help. My Innova OBD2 Reader stated the following: Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit Low Voltage
I have a 2003 Honda Accord EX 2.4L
From what I gathered: what I need is the oil pressure switch. However, there seems to be different types of oil pressure switches for my car.
One is part #37250-pne-g01 which is about $42 and the other (from Advance Auto Parts) is only $12(part # S4270Z). According to their website, this fits my car as well, but the two parts do look different. The guy at the store swears that the $12 one is all I need, but I am having trouble deciding which is the right one.
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