MO REX

iTrader: (2)

I have a 02 WRX, Accessport stage 2, stock restrictor, STI pannel filter, STI upipe, TXS DP, TXS midpipe with cat and a Blitz Nur-Spec R catback with the silencer.

When I first flashed stage 2 I was hitting target boost then after some learning boost decreased to around 14.5 psi so I went with the HWG map and the same thing happend. Now I adjusted the WGA 2 turns (without the HWG map) and I'm hitting target again and the car feels stronger but boost will fluctuate + or - .5 psi but never go over 16 psi. I'm prety sure this is not considerd a boost spike since it is not overboosting but I just wanted to make sure. I did some searches and couldnt find the answer I was looking for and I was hopeing someone could give me the definition of boost spike. Is it only a spike if you overboost or is it considered a spike when you fluctuate a certain amount (1psi or what)?

I am also wondering why my boost is decreasing after the ecu does some learning. Is it because the car is knocking (cant hear knock) or what?

Thanks

bassplayrr

iTrader: (9)

Sounds like the ECU is "learning" to me. Soemtimes the knock isn't severe enough to be heard (especially over the much louder catless exhaust) yet is enough for the ECU to adjust boost. Instead of changing maps, simply do a soft reset of your ECU. Your boost should come on nice and strong, then go away again over time. If it does, my money is that the ECU is adjusting for knock.

-Chris

wonton2049

sorry... i have a question too.... anyone have a pic of how to adjust the actuator? im having a lil trouble hitting target boost on stage 2. i only get 14.5 psi. when i pass 5k rpms, thats when i hit maybe 15. on the AP, it reads only about 14.6 consistently and sometimes hits about 15.6 once while im pushing it in thiird and forth... is this normal?

MO REX

iTrader: (2)

If you are hitting 15.6 psi consistently in 3rd to 4th I wouldnt think you need to do the adjustment. If your not here is a link http://www.scoobymods.com/forums/showthread.php?t=3654.

MO REX

iTrader: (2)

I think you are probably correct and if that is the case I would think I need to take it easy anytime the car is serviced and had the batery disconnected.

Do you consider my boost issues Boost spike? I would think not but I just wanted to make sure

Thanks for the reply.