Quote:
Originally Posted by e.n335
Second, Shiv, you still continue to behave as everytime. Instead of working on the issues you post another new record. During the testing of v2.0.2 there have been 20psi spikes, not with me but with the other beta tester. You know as well that in case of such a spike the corresponding fuel will be delivered. And, what a surprise, the fuel pump of the other beta tester seems to die or died already.
I am aware about the HPFP problem but you might agree that such a load "will bring a HPFP defect to the light", as you said. Sflgator blew his in the 1st 2 days running V2. Per ( in Sweden, no US gas ) on the airfield event, IIRC.
As long as the unexpected spikes are not eliminated, I will stay away from beta testing and using the V2. I have time to look what happens now, my car is still in an excellent condition.
In fact, my PROcede is disabled now. I prefer to see how much "will be brought to the light" and decide later, what I will do with the device.
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Actually, I now suspect it was a loose CPK signal, just FYI. I should have initially checked the code when the fault occurred. Had I been in town, that is precisely what would have happened. But the circumstances were different and I acted promptly. Now after digesting and scanning for codes, the problem appears to be a loose CPK signal.
This will be tested thoroughly over the weekend though by leaving the car outside in similar ambient temperatures. BTW, thanks for proclaiming this publically before I had a chance to fully evaluate the situation.
Secondly, you failed to mention the 20 PSI spike circumstances. This was only after I bumped up the setting and only occurred once and prior to full adaptation. After I drove the car more with the new settings, the spikes diminished.
Those who have driven tuned turbo vehicles know this is the nature of the beast. The spikes, while still occurring, are minimal. A 15 PSI spike then dropping to 13 PSI is certainly fine and better than the previous map I tested. This was on the default settings and under even more specific situations; i.e. narrower RPM band.
In the end, this is still better than what most upgraded B5 S4 drivers would see with most code, or even other factory turbo vehicles with upgardes. Heck, I had to run an MBC in parallel just to control spikes to 23+ PSI when it would drop to 18 - 19 PSI. Otherwise, you would get the dreaded throttle cut.