NastyLGT Posted February 24, 2015 Share Posted February 24, 2015 Been throwing a p0066 code for a while now. Read it with a V1 ap and that's what it said...which from what I've looked up is a "injector air control valve"....and supposedly my 2005 legacy gt doesn't have this. Took it to autozone and all they told me was "bad 02 sensor". I do have Tomei uel headers. Also been getting about 5-7 mpg worse than usual. Running extremely rich. Any input before I fork over the $100 for an o2 sensor I *might* not need? Link to comment Share on other sites More sharing options...
travrach Posted February 24, 2015 Share Posted February 24, 2015 This may help. http://legacygt.com/forums/showthread.php/p0066-air-assist-injector-solenoid-valve-circuit-low-input-53191.html Link to comment Share on other sites More sharing options...
NastyLGT Posted February 24, 2015 Author Share Posted February 24, 2015 Yeahhh I saw that...just didn't see a resolution for the issue. Just guesses. Thanks! Link to comment Share on other sites More sharing options...
Andy_Mac Posted February 24, 2015 Share Posted February 24, 2015 Not really familiar with acessports but can you log what the sensor is reading with them? Have you tried? 2000 Legacy B4 RSK - SOLD 2006 Legacy BP5 GT Spec B wagon - Garage Thread 2011 VW T5 van 2.0L of turbo diesel awesomeness Link to comment Share on other sites More sharing options...
NastyLGT Posted February 26, 2015 Author Share Posted February 26, 2015 Not with the version 1 accessport. More likely with the v2 and v3. I know there's a way to manually check the cel without a diagnostic reader or ap. I ordered a new o2 sensor anyway. I'll definitely post a closing reply on whether or not that solved my issue. Thank you Link to comment Share on other sites More sharing options...
caramall2 Posted June 15, 2015 Share Posted June 15, 2015 Did O2 solve? Link to comment Share on other sites More sharing options...
Max Capacity Posted June 15, 2015 Share Posted June 15, 2015 Not with the version 1 accessport. More likely with the v2 and v3. I know there's a way to manually check the cel without a diagnostic reader or ap. I ordered a new o2 sensor anyway. I'll definitely post a closing reply on whether or not that solved my issue. Thank you Yea, we see how well that worked...Fail. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
NastyLGT Posted June 16, 2015 Author Share Posted June 16, 2015 Lmao sorry yall, bought a forester and have since been tinkering with that. Yes, it worked instantly. Hasn't come back on since. Sent from my SCH-I605 using Tapatalk Link to comment Share on other sites More sharing options...
Max Capacity Posted June 16, 2015 Share Posted June 16, 2015 Now my feelings are hurt, you just left and forgot about us... But thanks for checking in with a timely update.... 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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