Yesterday the check engine light came on 03 Accord EX 4-cyl auto, the code is P2647. According to the dealership and O’Reilly print out it can be a number of things, so I am looking for some guidance. The car starts running rough after 2700 rpms, and then (if you keep pressing accelerator) dies. So …

I think you’ve dobe well so far, but at this point it needs the honda shop. There are a few possible root causes here. Your engine uses a valve system that essentially has two camshfts, one foor low RPM operation and one for high RPM operation. When the ECU detects that the engine is at higher RPMs…

This is from a Honda service tip dated 03/01/2005: DTC P2647: VTEC Oil Pressure Switch Circuit High Voltage SOURCE: Honda Service News TITLE: Replace VTEC Oil Pressure Switch for DTC P2646, P2647 APPLIES TO: 03-05 Accord 4-cylinder03-05 Element 02-05 CR-V SERVICE TIP: Got a vehicle in your s…

I have the same symptoms with my Honda CRV 2005. We replaced all those things and the problem still persist. Code was P2646 (vtec pressure switch voltage faulty). May 28th 2020; The mechanic replaced the valve timing solenoids. Replaced Right outer Tie Rod. + Front alignment. (paid $593.19). Liter…

[image] Jennifer-76: The mechanic replaced the valve timing solenoids. The VTEC solenoid valve is a different part, try replacing the VTEC oil pressure switch.

P2647 Rocker Arm Actuator System is Stuck Open

Maintenance/Repairs

Stig March 23, 2012, 4:35pm 4

Took it to the shop, $150 later for VTEC oil pressure switch and everything is fine. Thank you everyone for your help!

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P2647 Rocker Arm Actuator System is Stuck Open

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