I've had this sound since my first oil change and im at 35k now. Its never been an issue and is very common and 85% of these engines have a very similar sound.
Wondering if anyone else has this issue or had it completed after the warranty was out? Mine has this issue pretty badly, especially when cold. I have to press one of the memory buttons to make it stop or it will keep going for up to 30 seconds.
The easiest way i can explain it is as follows: the valves are mostly open all the time at idle (except for quiet) the differences come in with rpm/load/throttle %
Normal will really start to close over 1/2 throttle and higher rpms - sounding quieter at full throttle
Sport will begin to open...
It was 36k out the door with 9k miles. It was $50.3k new according to the sticker. i got a pretty deep discount through work and i bought it in DEC '19 right before everything went crazy in March.
As much as i love technology, i have no interest in paying $50-$60k for a car that only looks different inside and outside when my 401A PP1 '19GT that cost half as much and has all of the features of the s650 ( and in my opinion more capable due to the ECM lock) It's nothing more than a...
The vent valve is always normally open. This is what draws fresh air into the tank. You need to manually close it with a higher level bi-directional scan tool and then re-run the smoke test to find the true source of your leak.