danbenche123

ANY IDEAS ??.
I OWN A 98 TURBO 2000 AND IN THE LAST 3 WEEKS OR SO WHEN THE CAR IS PUSHED HARD IN 3rd, 4th OR 5th GEAR, FOR A SPLIT SECOND IT FEEL'S LIKE YOU'VE HIT A BRICK WALL. IT DOES THIS ABOUT 4 OR 5 TIMES IN A ROW ABOUT A SECOND APART. IT FEELS LIKE YOU'VE HIT THE BRAKE PEDAL WITH A 1 TON SHOE. A FREIND SUGGESTED IT COULD BE WRONG BOOST PRESSURE. HELP !

Andy McCord

fuel cut mate, your car is prob overboosting which is what is bringing on fuel cut to prevent meltdown

danbenche123

cheers for that, i dont know if this makes any difference but the car only does it when its hot, i also have a ramair filter fitted

TopBanana

Is the exhaust standard? Try putting the standard air filter back on. If that doesn't work, try cleaning the wastegate solenoid. Check the restrictor hasn't become obstrcuted. If none of that works, you could use a Dawes devicie. If none of that makes sense to you, take it to a reputable garage

danbenche123

Cheers for that, half of it made sense !!. the car has a stainless scooby sport exhaust.
What is a dawes device ??

TopBanana

Is it just a Scoobysport backbox or is it a full decat exhaust system? If it's just a backbox, don't worry about it. Try the air filter then boost solenoid first.

The_Judge

Another Ozzy link...!

If you scroll down to the bottom, all will become clear.

danbenche123

It's just a back box. I'll try a standard filter at the weekend.

Trem

iTrader: (3)

Get yourself a ScoobyECU, email Pavlo at - pavlo@cdtech.co.uk

More bhp and an overboost cure(in most cases), he does a sexy map for the STi 1s, I've had mine and the car is 100% better. I also had the overboost problem on my STi 1, the ECU and also a Green panel filter cured it, get rid of the Ram air.

DreXeL

He has an MY98, so can't use a ScoobyECU.

911

Fixed my fuel-cut for good using a Blitx boost controller, fitted by Power Eng. RR gave 315 bhp from a stock/full decat Stiv3. But try jlanngs advice first. This is a common issue so lots of good advice to be had.

Graham.

alanbell

iTrader: (6)

Could be a pipe off some were in engine , Alan.

Derek W

I had this problem myself on a MY98 UK turbo a couple of years ago - the force of the "power cut" is unbelieveable. I'm not a techie so I can't give you the absolute low-down on the cause but when I took it to a Subaru dealer they fixed it in one visit and said that some pipes and the wastegate solenoid (I think) had become contaminated - probably by some previous over-filling of oil. They replaced the solenoid and cleaned everything up - it never happened again.

Hope this helps and good luck.

The_Judge

It's definitely worth cleaning the wastegate solenoid. Click here for info on that...

danbenche123

Cheer's for that, i recently gave the motor a major over dose of full synthentic and 10 day's later had 3lts drained off. i know nothing about the scooby's, apart from they are nice 2 look at at, and they are like (in my case) silver rockets !!!.
Driving anything else now seem's like yer goin bacwards !!.

danbenche123

Cheer's..............that definately help's, because i recently had 3lts of oil drained off,
and before that it never happened. So now you have jogged my sweed. I'm still gonna do all the rest of the stuff that the other's suggested and hopefully that'll be that.................cheer's........never expected so much help.

The_Judge

3 litres??? Jeez, how much was in there...!

danbenche123

I checked the oil and there was just a spot at the bottom of the dipstick, so i rapidly put in 3 ltrs and a day later checked again and it was well over max, so i took it to a garage and they drained off the 3 ltrs i put in ????, strange !?!.

The_Judge

Bizarre...