hey guys i need all and anyones help with my car. i drive a 2006 sti and i wanted to see if anyone has ever heard of this happening or what. my car has been out of service since dec.4 2012

mods done to my car are: helix catted dp, invidia n1 cbe, walbro fuel pump,
cobb short ram intake and a tune from FLI.

heres how it started. i drove 9.2 miles to see my girlfriend and my car drove fine. it sat for 30 minutes outside and when we left her neighborhood my car started jerking like it was set to 32-3500 rpm and wouldnt go past.
problem im having. my car under load will not go past 3200 rpms. when driving my car in any gear 1st-6th if you press on the gas, it will choke or bogg down or act like it has an rpm limit when under load. if i feather the gas you can take it to redline. my car does not do this in reverse or if it is sitting up on the lift with the wheels off the ground you can drive it as hard as you can up to redline. just from turning my wheel left or right it is too much load for my car, because it dies. it has been with Fine Line Ipmorts for 3 weeks and they seemed to be stumped with the problem.

here is the work FLI has done to my car so far:
-they checked all my belts and hoses.
-checked and fixed parts from fuel pump.
-married and unmarried cobb ap with different tunes and maps(still had the problems with any base map tune)
-replaced oem ECU
-changed spark plugs
-changed MAF sensor
-changed MAP sensor
-swapped coil packs
-compression and leak down test
-fuel pressure and boost pressure tests
-checked continuity of wires going to coil packs
-checked my car and had it on the dyno while running tests
-removed timing covers and checked my timing and timing belt

im already down a lot of money and my car is still having this problem. i need help because this is my daily driver and im now off disability and need to get back to work. please if anyone can help or point me in a direction it would be very appreciated. so please my fellow subie lovers help me!!

thank you!

 

take it to LIC motorsports and theyll figure it out within a day

 

the problem with this now is that after installing the new ecu the problem got worse and is undriveable meaning ill have to tow it so unless its kinda of i guess a "garuntee" i cant really spend the money to have it towed down there to see if they can

 

Powersteering pump/fluid

Edit: also check your battery is good, as well as your alternator is keeping steady voltage and not having a drop spike when cranking the wheel, but check the above first.

 

They will get it fix. Sounds like a maf issue. If anything you could flash ap back to stock just to see if you can still drive it normally. If not..definitely take it to LiC if that is the closest to you.

 

FLI reflashed the ap to stock the married and un married it to the car and checked my MAF it had no issues. with the ap it did it on every base map tune and their own tune. the problem continued either way. it didnt mattered if it was stock or not.

 

all checked out fine but thanks for the help thus far guys :/

 

idle air control valve? i had an issue with my car at idle and loss of power on a load not too long ago... so not really symptoms ure having but it won't hurt to have them check it out....

i cleaned mine and it got slightly better, i replaced it and it was all good... hope this helps!

 

Ill have them check it out thanks. I should also mention I only have 70,439 miles on the car.

 

nope not the idle air control car is still outta commission. i think i might have to bite the bullet and take it to the nearest dealership. i need my dd back.

 

This might be a shot in the dark, but have you checked to see what your knock sensor is doing? Are you pulling timing in any way?

 

My timing an everything checked out ill ask about the knock sensor it's no shot in the dark I'm stumped with this.

 

you will have a better chance there than FLI and the dealer combined