mustangthegreat Posted December 5, 2010 Share Posted December 5, 2010 (edited) I have a 98 Outback Limited with a P1507 code, I just replaced the neutral switch as well as the IAC valve complete. Neither have fixed it. I still get the error code and then the limp mode runs on 2-3 cylinders. I cycle the ignition and it runs OK for anywhere from 30 to 3,000 miles. Prior to these recent repairs I have replaced the following in the last year: head gasket update intake gaskets exhaust flange gaskets outer valve cover gaskets inner valve cover gaskets valve cover bolt seals rear cam plugs cam seals exhaust flange nuts oil and filter (regularly) drain plug gasket coolant belts radiator crankcase breather update timing belt tensioner idlers water pump thermostat clutch fuel pump and sending unit alternator coil ECU speed sensor CV boot right passenger front under Cat cleaned connections on speedometer Car has 171k on it, doesn't smoke, consumes 1 qt oil every 2k, local ROOPair shop can't figure it out, please help! Edit/Delete Message Edited December 5, 2010 by mustangthegreat no response Quote Link to comment Share on other sites More sharing options...
bstone Posted December 6, 2010 Share Posted December 6, 2010 You might have a bad throttle body. I got this code and ended up replacing my throttle body which fixed it. Quote Link to comment Share on other sites More sharing options...
mustangthegreat Posted December 6, 2010 Author Share Posted December 6, 2010 I will try that, thanks Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted December 6, 2010 Share Posted December 6, 2010 Well you've done a lot of work to it. When did this problem start? Is this an auto or manual trans? Quote Link to comment Share on other sites More sharing options...
mustangthegreat Posted December 19, 2010 Author Share Posted December 19, 2010 My local Subaru shop found a TSB on bad grounds for this problem for this model, it described cleaning all of the grounds and it appears to have worked. Before this they also replaced the speedometer. Car has a new life now. Quote Link to comment Share on other sites More sharing options...
mustangthegreat Posted December 19, 2010 Author Share Posted December 19, 2010 it is a stick Quote Link to comment Share on other sites More sharing options...
idosubaru Posted December 20, 2010 Share Posted December 20, 2010 nice hit, report back in a while if you think about it and let us know it's fixed for sure or you drove it off a cliff. i'd never heard of that one before. glad you figured it out, that's tricky. makes me want to clean my grounds. Quote Link to comment Share on other sites More sharing options...
bstone Posted December 20, 2010 Share Posted December 20, 2010 My local Subaru shop found a TSB on bad grounds for this problem for this model, it described cleaning all of the grounds and it appears to have worked. Before this they also replaced the speedometer. Car has a new life now. As I recall there are two main grounds, one on either side of the engine. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted December 20, 2010 Share Posted December 20, 2010 As I recall there are two main grounds, one on either side of the engine.i also noticed a ground point centrally located on the fire wall just behind the throttle body i thought on my 02. but that's newer and i'm not sure what they're grounds for. Quote Link to comment Share on other sites More sharing options...
mustangthegreat Posted January 8, 2011 Author Share Posted January 8, 2011 still runs great after 1000 miles:headbang: Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted January 9, 2011 Share Posted January 9, 2011 Bad ground. Imagine that. You just never know what a bad ground wire will screw up. Speaking of... that gives me an idea for another problem thread... Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.