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This will be my first post, thanks for a great forum !
I've recently purchased a exhaust system from Design911 in the UK which has the valvetronic function on. This is said to replicate the PSE which my car does not have factory installed.
Wired it up and put the vacuum hoses, tested the system and it works fine.
Over to the issue for my car:
When starting up the car, the neutral positon of the valves is open, which means a lot of noice from the exhaust.
When switching this by the solenoid, sending vacuum into the system and the valves closes. This means less sound.
But when the valves is closed the car wont run properly at the RPM range of 5500-7000 RPM's there is also fault codes for misfire on cylinder 2.
The strange thing is that this works perfectly when the valves is open. I've tried two differnet vacuum sources, into the ressonator and also for the left hand side cooling system vacuum solenoids. Without any differnce. I tried to run vacuum directly to the vacuum actuators on the exhaust without any difference and also tried manually applying vacuum and using a one way check valve to keep the vacuum while not connected to the cars vacuum line. No vacuum leaks, no fault codes when driving with the valves open.
Same result every time. So have anyone had some similar issues to their car ?
Thanks in advance for any help !
I need to replace the rear tires on my 2007 C4s and it turns out the Michelin Pilot Super Sports are completely unavailable, with no ETA. Even if one makes allowance for the odd size and likely small demand, that is still pretty shocking. What alternative have you tried and what do you recommend? Car is a daily driver, street driven, I value quiet running (not that our cars are *that* quite, but would rather not add running noise).
Hi. I am putting together a project car (2006 C2S 3.8L) and have the radiators fitted except for a small item. My Pet diagram doesn't show how this part goes onto the radiator. Like most of PET it shows the parts exploded but out of context. It is a 997.106.453.00 it is some kind of hose holder. The second picture is this part 997.106.231.01. I don't know where it goes either.
I was at the dealer in Long Beach this morning and they said that they didn't know how the item would go onto the car as they didn't have a 2206 997.1 to look at. Scary I know!. This tells me most of these guys are flying by the seat of there pants and the computer.
Any pics of this part on the car would be quite helpful. Or a good diagram. Thanks