LongJonnyGspot

iTrader: (12)

I have just bought a MY99 with only 41,000 miles. I have noticed a slight hesitation around 2500 - 2750 rpm even when engine is warm. It happens even if only applying a small amount of throttle. The engine feels like it struggling for fuel just for a brief moment. I know this is just before the turbo comes in. It seems to smoothen out when the turbo kicks in! Is this normal?
Thanks in advance for any advice.

drb5

iTrader: (4)

Possibly get some new Subaru coil leads, or if you know anyone with a similar year car, then swop the leads over for a trial first?

LongJonnyGspot

iTrader: (12)

Cheers, I'll try that. Any other possible solutions?

exvaux

iTrader: (1)

the old favourite the mass air flow meter might be on its way out or when was it last serviced?

Skooby53

iTrader: (1)

I had exactly the same problem on my MY99 I have put in a new KN panel filter, thrown the standard one in the bin! It seems to have cured the problem. Good luck.

tmo

MAF or Boost valve.

i put a procedure up a couple of years ago for cleaning the valve, do a search it should be still around.

drb5

iTrader: (4)

If it's revs related, then i doubt it's MAF or solenoid.

IMHO it's leads or plugs.

Zola-the-master

I had this problem at exactly the same rev range in my 00MY It turned out to be a broken lambda sensor which i replaced with a non genuine part from a certain auction site at the huge cost of £15