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Following your instructions i removed the plate from the intake and de-snorkeled by 987S. Sound is great and IMHO it revs more freely. Seems also that fuel consumption went down a bit. I also installed the K&N Filter. Now i´d like to reset the ECU, so that it can adapt to the increased air supply.
Unfortunately, there are differing opinions on how to reset the ECU in this forum. Some say you only need to take off the battery. Others say, that due to capacitors, the memory is not resetted when you remove the battery only and suggest to do a shortcut + to - of the cables.
Any suggestions on any damage that could occur?
I do not know how much power is left inside the capacitors and am afraid of burning any diodes in the grid?
While driving it will indeed allow the car to adapt over time you can force the car into relearning the whole new map range by removing the battery cable for at least 30 seconds and then reattaching, if you've done it long enough you'll get a couple of errors when you first start up the car, I think PSM and something else which will quickly go away, but that let's you know that the ECU stored maps have been cleared and the car will start relearning everything again.
Either way if you drive the car long enough it will adapt.
DO NOT SHORT THE BATTERY OR ANYTHING ELSE.
PSM - Porsche Stability Management
While it can’t overcome the laws of physics, the revolutionary Porsche Stability Management (PSM) system does lend an added degree of balance and control to the Cayman’s mid-engine driving dynamics, inspiring surefooted confidence in corners and extreme situations.
A standard feature on the Cayman and Cayman S, PSM continuously monitors steering input, road speed, yaw velocity and lateral acceleration to calculate the actual direction of travel. If the car begins to steer off line, PSM instantly intervenes with precision brake inputs on individual wheels to help bring the car back onto the driver’s intended path.
If braking alone isn’t enough to correct the vehicle’s cornering line, PSM then calls on the Cayman’s engine management system, adjusting engine output as needed to help stabilize handling. PSM can also compensate in an instant for mid-corner changes in load resulting from deceleration or braking. When Sport mode is selected with the optional Sport Chrono Package, PSM’s threshold for intervention is raised, allowing for greater driver involvement. If you prefer driving without automatic PSM assistance, the system can be set to standby at any time. In this case, it will only intervene under heavy braking, where both front wheels exceed the ABS threshold.
For all of its technical ability, PSM goes virtually unnoticed in everyday driving situations, preserving the Cayman’s natural agility.
DO NOT disconnect the battery ,it will disable the driver airbag and then ....
. . . and then - what?
__________________ My Blogs
2006 CS Tip (Daily Driver & Part-time Track Toy)
2005 Ford Expedition (to haul the CS)
2006 Lexus RX400h (wifey's)
Gone, but not forgotten: 2002 WRX, 2004 MINI
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