checked VSS (signal)-> functioned (= I can see it at see stack display, signal comes from the ECU) did a oil and oil filter change with 10W60. checked VTEC strainer -> clean. checked oil pressure level -> between 3 and 5,5 bar (it is a SAE60 oil ) changed testwise the complete VTEC solenoid -> does also not work.
Modern variable valve timing systems are doing the same job as the EGV valve, only better. A VVT system is able to control the timing of the exhaust valve so that the right amount of inert ­exhaust gases remain in the combustion chamber for the next combustion cycle. This controls combustion temperatures and the production of NOx.
The best way to tell if your car's VTEC system is engaged is to listen to the engine. When you rev the engine, you should hear a distinctive "bwaaah" sound that indicates the VTEC system is engaged and working. Another way to tell is to look at the tachometer. If the needle moves into the red zone when you rev the engine, that's an indication
LS/VTEC designates the codename for a hybrid engine swap, sometimes better known as the Frankenstein swap. This is acheived with the block of a LS motor (b16b) attached to any b series head with VTEC. Usually the choices are the b16a2 (US SI engine) or the b18c1 (GS-R engine). By doing so, you will gain a little more HP but more importantly the
Once you turn on the engine, the ECU runs a check. If the ECU doesn’t detect a change in the engine’s function, it will know that VTech isn’t working, and it will set the Check Engine light on. So, if you turn on your engine and the check engine light comes on after a while. That could be a sign that VTech isn’t working. Honda does still use VTEC, but it’s no longer present in the same way as in the days of yore. It’s normally accompanied by a turbocharger and in the case of the Civic Type-R, the VTEC camshaft is located on the exhaust side of the engine, not the intake side as in previous renditions. FW7v.
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    • how does a vtec engine work