Tehnation Posted June 14, 2014 Share Posted June 14, 2014 I'm going to bang my head on a wall. My fuel trims are driving me crazy which is making it harder to tune. Runs strong, lots of power, and steady idle. I have: bnr 18g tgv deletes 8mm spacers, ts tmic gms throttle body hose cobb ebcs k&n air filter dw bosch 1000cc ev14 injectors 07 top feed fuel rail mod dw65c pump ip&t filtered oil feed kit and thats about it Any idea why my trims are like this? When I sit and idle my a/trim goes to -15, I give it some gas or drive, it goes up towards -3, I stop and idle it goes back down to -15. The b c d trims are staying the same. Do I need to make sacrifices to the Subaru gods?? Link to comment Share on other sites More sharing options...
RallyMachine Posted June 15, 2014 Share Posted June 15, 2014 Have you made any mechanical changes recently? Link to comment Share on other sites More sharing options...
Tehnation Posted June 15, 2014 Author Share Posted June 15, 2014 leaky turbo and leaky pcv.... Link to comment Share on other sites More sharing options...
Tehnation Posted June 15, 2014 Author Share Posted June 15, 2014 Why the hell doesn't any Subaru parts center open on Sunday, they can sell cars but not parts?......sigh Link to comment Share on other sites More sharing options...
heiche Posted June 15, 2014 Share Posted June 15, 2014 sounds like maybe your injector latencies might be off a little. BtSsm - Android app/Bluetooth adapter. LV, logging, gauges and more. For 05-14 Legacy (GT, 2.5, 3.0, 3.6), 02-14 WRX, 04-14 STi, 04-14 FXT, 05-09 OBXT Link to comment Share on other sites More sharing options...
I Donated Too laff79 Posted June 15, 2014 I Donated Too Share Posted June 15, 2014 Broken snogwheel perhaps Link to comment Share on other sites More sharing options...
Tehnation Posted June 15, 2014 Author Share Posted June 15, 2014 Smoke test showed it was the turbo intake housing and pcv assembly. I tightened the intake housing and then everything swung positive, now I need to change the pcv valve which is leaking on top of the turbo inlet, The valve is probably shot as well. I'm guessing I had both a boost leak and vacuum leak and now I only have a vacuum leak. I'm going to buy pcv assembly tmr and hopefully things look better. Link to comment Share on other sites More sharing options...
heiche Posted June 15, 2014 Share Posted June 15, 2014 ah... glad u got it. BtSsm - Android app/Bluetooth adapter. LV, logging, gauges and more. For 05-14 Legacy (GT, 2.5, 3.0, 3.6), 02-14 WRX, 04-14 STi, 04-14 FXT, 05-09 OBXT Link to comment Share on other sites More sharing options...
Tehnation Posted June 17, 2014 Author Share Posted June 17, 2014 My turbo is leaking from the intake housing on the turbo.... wtf, I just bought the turbo.... Link to comment Share on other sites More sharing options...
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