Spyder718

That's the high pressure fuel pump. That's why this sound is throttle dependent. Mine has it too. Doesn't bother me. I rarely go slow enough to hear it.

bt55krc

2021 Cayman GTS. Mine is a daily driver - love the car but hate the GD tick. The above sound bite is dead on...as are the prior comments regarding the Porsche service rep response to our complaints (i.e., "it's normal, nothing to worry about" etc.). I have north of 14K miles on mine and it persists. I've voiced my concerns/disapoitment to my [respected] dealer. Trust me, they get it...honest enough to acknowledge it's a problem, and expressing their frustrations having to deal with other customer's complaints while documenting mine. I loved my 2015 GTS - no rev limiter :-) Yes the 4.0 GTS is surely a better car by far. BUT ...and that ticking is a big but.

SpyderSenseOC

I don't think so. I wish it were. It's appearance and disappearance with blip is so immediate that it sounds solenoid activated to me.

SmallCapTrader

New owner...same tick here. I don't notice it unless I'm going slow through a quiet neighborhood, etc. Maybe we'll get a recall one day?

UncleDude

No chance of that IMO, this is the sound the engine makes and I've yet to hear one that doesn't.

Adrift

It's a bit odd, but ultimately harmless, and around idle. I have moved on with my life.

SpyderSenseOC

I spoke to a 35-year master tech at a dealer today and he indicated that he believes there is a TSB out for this noise. He's going to do some research and get back to me.

SpyderSenseOC

Keep us apprised of your dash replacement process. I hope it goes off without a hitch.

rlk7

My new (exec demo bought recently with 5.5k miles) 2021 Boxster GTS 4.0 has an engine clatter/noise (see 12 sec video). Dealer says there’s nothing wrong and that they all sound like this. Can that really be true? What could this be? Thank you forum friends!

ltfl09

Sounds pretty normal..

RajuPatel

that is something loose in the engine bay.. there is no sound at idling.. but as the rpm go up, the sound comes up.. better get it checked... imo it doesn't seem something major.. nevertheless

Zeus993

Yep. It's a ticky-tock, clattery engine and with many other threads discussing this in great detail. Not sure what the conclusive fix / handling for this is?

Anyone?

h_4711

The annoying noise equals exactly the well known idle speed ticking. Like this, it occurs once per camshaft revolution, has a frequency of about 3000 Hz and lasts about 19 ms (see attached pics).


Soundscript extract from IMG_1250.MOV

Soundscript extract from IMG_1250.MOV
Unfortunately you didn't report the oil and water temperature of the engine and whether the noise disappears after some miles. Does the noise still exist at idle speed ?

I contribute it mostly to one stucking hydraulic lifter. On second place I see the high pressure fuel pump or the solenoid fuel pressure release valve in case there is only one working stroke of this pump per camshaft revolution (but as far as I know there are two at least !) .

Due to the many complaints Porsche should know exactly and for shure but doesn't tell.

SpyderSenseOC

My sound is the exact same sound you have, albeit less constant. Mine is usually there at idle, goes away if I rev to about 1200-1500 and then comes on strong at 2000. If I slowly lower the rpm from 2000 to 1500 the sound almost always goes away instantaneously and returns as I approach idle speed. It goes away so fast that it sounds solenoid actuated.

https://www.dropbox.com/s/8zj4ghxlw4..._0943.MOV?dl=0

h_4711

Obviously the noise you describe is load depending. Please bear in mind, that with modern engines fuel support is immediately and completely interrupted, in case the engine is not running under load. That happens, whenever you lower the rpm. Approaching idle speed, load condition is restored to keep the engine alive.This load dependancy of the annoying noise is usual with all the idle speed ticking engines.
Unfortunately this doesn't give a clear hint to the noises cause : On the one hand the high pressure fuel pumps pressure is released by a solenoid valve on the other hand the outlet valve has not be opened against a gas pressure in the cylinder, if engine is not running under load.