April 8, 20214 yr Hi Guys, Just picked up this motor and found that one of the hoses has been plugged with a screw. I assume it had a blow off valve installed at some point. Please could you let me know what i need to do to put that right so it's stock. I have atttcahed pictures of the engine bay. - Also if you have any tips on anyhting else thats looks like it needs doing please feel free to let me know. Thanks in advance!
April 8, 20214 yr Author Sorry, forgot to mentiuon. Idle doesnt really sit still. Idles around just over 1k fine. No stalling. Not sure if this is relevent... 😅
April 8, 20214 yr I think that pipe should go to the solenoid just above the boost solenoid on the n/s strut tower, its next to the air filter and has that little orange plug going to it as for the idle problem the T piece thingy that the breather pipes and the pipe to the idle control valve go to gets brittle and cracks, it's located under the recirculation valve 👍
April 10, 20214 yr Looks like a relatively standard v1 wrx bay , unfortunately I can't help much with the oe vacuum line set up . As mine wasn't standard when I got it , if you think it sucking in air and increasing idle ? You could get a smoke test done to rule out intake air or vacuum leaks . If not then cleaning the idle control valve is the next cheap thing to try . Get a icv gasket, remove the icv from the inlet , take note which way the o ring and diaphragm face that sit between icv and inlet (for refitting). Clean icv and diaphragm with brake, intake or carb cleaner . Let dry, Refit with new gasket and top up the coolant if necessary. Could try a ECU reset afterwards too , just dont adjust the 2 screws on top of the icv (as these adjust the voltage to the ECU)
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