mmarton Posted August 11, 2014 Share Posted August 11, 2014 I've gotten the CEL a few times after filling my tank, even though I make sure my filler cap is twisted on tight. It's the one where the cruise control light flashes and the cruise won't operate. I just re-tighten the cap and disconnect the positive battery cable to re-set. The question is, does anyone replace the filler cap every so often? The aftermarket cap manufacturer I'm buying from recommends replacing a cap every three years. I've never replaced a cap. http://legacygt.com//fp130.digitaloptout.com/acttr?p=OTkyMjQzNDc0OP1c6IVYXAt7rI8EZlr2qQj8JjUUp%2BPcXRXapW9IHGUeG7yvahHAlN1ArXR%2BE%2FkOJaqBkiH3W%2F5glKRSsYHmMUJTAJSA3Qa7IVwVs%2BKknbibX7g8GB1ftgFmOMNIAfcIX%2BATwguiApfwvPpNfv8PwV2QvKCXQVRH7HLQv0FlQyqt&m=FP30_%3A_not_top&t=1407777172280 Link to comment Share on other sites More sharing options...
Max Capacity Posted August 11, 2014 Share Posted August 11, 2014 I only replaced mine on my 05 beacuse I broke the plastic tie cord. I twist it about 4 clicks and close the gas door. CC will alway's flash when you get a CEL. You reset the ECU when you leave the negitive cable off for 15 minutes. When restarting the car after that, leave the key in ON for 10 seconds then start it. 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...
stm25rs Posted August 11, 2014 Share Posted August 11, 2014 I had to replace my Miata's fuel filler cap. The o-ring inside the cap was visibly deformed compared to the o-ring on the new cap. Link to comment Share on other sites More sharing options...
ehsnils Posted August 11, 2014 Share Posted August 11, 2014 Doesn't matter which battery cable you take off, pick the one that's easiest to access. But if you get CEL often you should have a code reader to check. You may have a cracked ventilation hose or something else that's causing problems. This should go into the 4th gen forum. Link to comment Share on other sites More sharing options...
SBT Posted August 11, 2014 Share Posted August 11, 2014 ^ This. Also, check the rubber ring/seal on your cap. Is it cracked? Does it pass a leak-down test with a vacuum tester? If not, probably time to replace it. If it appears fine, then lube the seal with SuperLube or another type of silicon lube and that should take care of the issue. It will also allow the cap to go a bit "tighter" too, which doesn't hurt. - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
mmarton Posted August 12, 2014 Author Share Posted August 12, 2014 http://legacygt.com//fp130.digitaloptout.com/acttr?p=YTQxNTQ0MDg3MzKGgwKZYo81GKq5uisQH7t73PgUVaRAUYqBwbMrDf2viugZmt2c4RqVkY6RFnfiNYeZYmjbzMu5bfFrDtJI%2F6kagVtDghynW4zdH8gREuVWIoHgqBQJeTGSkz%2Bz10Xxuez47wdUmTJvurXTHNihV7GPMypw6bjqiTCcBDZuHi0XpA%3D%3D&m=FP30_%3A_not_top&t=1407846480451Thanks. If I get another CEL, I'll get a code check. I got the new cap yesterday and so far, so good. Link to comment Share on other sites More sharing options...
mmarton Posted August 13, 2014 Author Share Posted August 13, 2014 http://legacygt.com//fp130.digitaloptout.com/acttr?p=YTExNzczMDM3ODEHwxySdbd6hLNxmd615s8pxhtqK4KS0LhgzPw%2FpqyHmFSPTYuIjPfbTq4dMyxdcDNLHnEBmFhbn3ZHJEYZUiY2Adh1FAF9CJFrTQNj%2BMNXsBNQ9p3Vizl6EBdy86yjSunHz%2FUMji4pldWd%2F53jWVpALpFWlYujZTdDAh5a9XVWCA%3D%3D&m=FP30_%3A_not_top&t=1407959538341Well, looks like I may have a vacuum leak or something else. My gas cap fix wasn't one. Link to comment Share on other sites More sharing options...
ehsnils Posted August 14, 2014 Share Posted August 14, 2014 Get a code reader, that will give a more definitive answer on where to look, you may even look in the completely wrong area unless you know what code there's behind the CEL. A code reader is cheap compared to a visit to the workshop for something simple and stupid. Link to comment Share on other sites More sharing options...
SpecBot Posted August 14, 2014 Share Posted August 14, 2014 If you plan on being a Subaru owner for a long time my vote would be for Learning View + Tactrix 2.0. You get OBDII + fuel trims, fine knock and IAM. Link to comment Share on other sites More sharing options...
mmarton Posted August 14, 2014 Author Share Posted August 14, 2014 http://legacygt.com//fp130.digitaloptout.com/acttr?p=YTE5MTA1MjEyNjeGgwKZYo81GKq5uisQH7t7ZCsUZ98Iq7qBwbMrDf2vin5rFCTDohbDbogZobNC5X9Lnvvlj1lPkyObG6nnzljg3uIjp%2FyGbCTqaibs2I2PIr4MdO%2BYnTu5CkMisB5t%2BmoApdkU5j%2FVZaTI20cWKGBhBPghJGHkGk0j5IxSVLrPVw%3D%3D&m=FP30_%3A_not_top&t=1408020597907I got a code at Autozone. Got the typical PO171. I've been smelling exhaust in the cabin so I'm thinking it might be something other than the intake manifold gasket. Link to comment Share on other sites More sharing options...
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