onzlow

Hi all id like to say wat a great site!!

I have just bought a m reg import wrx all seems to be ok but to me dont seem that fast?the clocks r in kmh but if u boot it u thgink blimey this is fast but only reading 80?do these need converting,it has a boost guage which says the car is running 10 psi so i guess thats right.

The check engine light is also on i have done a code check which comes up as 22 knock sensor where are these and could this be the problem,what would cause this error

any help much appreciated thanks.

onzlow

Also fogot to add wen u start the car up from cold and press the accelerator wen idling it has flatspot?but this goes away after warmed up?any ideas. could all this be linked

girl-in-a-scoob

Cant help with your problem, but Im sure someone will be along shortly.

Welcome to SNET

onzlow

Tanks

smokingkills

iTrader: (3)

What model have you bought & what fuel are you using?

onzlow

its a 1995 wrx use shell optimax,wen i first got it thre was 2 pipese disconected that leaded to the boost soleniod on the wing connected them back up and was better as before it was only running 5 psi!!

The previous owner did also fill it up with normal unleaded he only ownrd it for 5 days as to dear on insurence

onzlow

just an update been out in it now only running 6 psi,i did give it some stick i might add,like i said earlier 2 pipes that connect to the bost solenoid were disconected bcos it looked like it had a bleed valve fitted which was removed but i still have it.

could it be a stick boost valve?also i did notice if u give it some welly then the engine light goes out?which i thought was wierd,and wen it was only running 6 psi the light went out for about minute then came back on,really need sum help with this as its annoying.

onzlow

anyone?

jlodge7624

You can veiw my scooby to check solenoid pipes are right with bleed valve connected if that helps, As for other I am not certain about resolution but think that if its showing a fault then it may be in some sort of limp mode until rectified.
Hope this helps a bit
Jon

young'n wrx

If the check engine light comes on its not a good sign! read the codes and replace whatever needs replacing. if someone has fiddled with the boost before hand you may have a few problems but id take it somewhere who knows about these cars.

c.

onzlow

I dont have the money at mo to take it to a garage thats y im trying to do it myself done code check comes up with 22 knock sensor wat is this?

matty g

knock sensor is located on the top of the engine block, above no 4 cylinder. as you look from front of car this would be the backone on the passenger side(rhd) under inlet manifold look for single wire white connector, going to a round black disk about 30mm in diamiter 20mm thick held with 12mm bolt through centre. as for boost i would change the boost pipes to valve first as the can go soft and cause problems.hope this is of help

onzlow

thanks ill have a look,did notice a white connecter,the wire is connected but the plug is broke so maybe its not connecting properly?

STI_Baly

iTrader: (23)

Yes check the broken plug, hopefully it is a bad connection.

Also remember not to boost the car once you have reset the ecu, and wait for the check engine light to come on and go off, before you disconnect plugs and begin boosting. As this will throw your timing and wont allow you to boost as high. (once your knock sensor is sorted that is).

Good Luck

onzlow

ok thanks ill check the connection keep you all updated