2007 honda odyssey vtec solenoid1/12/2024 If you want to know what happens inside the engine, definitely give this clip a watch. Jason Fenske at Engineering Explained put together a video showing exactly how VTEC works, using real Honda engines and visual diagrams. Most variable valve-timing systems use increased oil pressure to shift the timing of the camshaft, opening the valves earlier VTEC uses an entirely different set of cams at high RPMs.Įxplaining the process with words alone doesn't do it justice. Symptoms: Very poor idle at low RPM which clears up at high RPM, CEL P2647, VSA System Malfunction Message, Emissions System Malfunction Message, Engine Whine at idle (due to VTEC being engaged at all times) See more. Since its introduction in the late 1980s, VTEC has been used in many of Honda's best performance cars including the NSX, Integra Type R, S2000, and Civic Type R.īut the way VTEC goes about switching cam profiles is totally distinct. Here are the symptoms of a seized VTEC solenoid piston valve. At higher engine speeds, the cam profile allows greater valve lift, which allows more air into the cylinder. Like most other variable-valve timing systems, VTEC varies oil pressure to shift between different cam profiles. It stands for Variable Valve Timing & Lift Electronic Control. Next, clean out the VTEC spool valve by removing it. Check the oil level and make sure you’re using either 5W-20 or 5W-30 oil not higher viscosities. 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. VTEC is a type of variable valve-timing system developed and used by Honda. VTEC oil pressure switch P2647 is a code associated with it. If you're a car enthusiast, you've probably heard the term "VTEC" before, but you might not know what it means.
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