oxygen sensor question and gas cap
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From: msrdude on 15 Sep 2009 21:42 When should i replace my oxygen sensors? Do i change it at a specific amount of miles, or do i change it when the check engine light comes up and the code happens to be a o2 problem/malfunction? I think you only replace the gas cap when the check engine light goes up for it right?
From: Hachiroku ハチロク on 15 Sep 2009 21:46 On Tue, 15 Sep 2009 18:42:37 -0700, msrdude wrote: > When should i replace my oxygen sensors? Do i change it at a specific > amount of miles, or do i change it when the check engine light comes up > and the code happens to be a o2 problem/malfunction? > > I think you only replace the gas cap when the check engine light goes up > for it right? Well, yeah, sort of... VW used to have an O2 light that would come on about every 40,000 (or so they told me. I think it was a bad sensor, but if it was, they couldn't charge me for it). They don't have a mileage limit. It wil trip the MIL when it's ready to be replaced. And tighten your gas cap 6 clicks after removal.
From: Jeff Strickland on 15 Sep 2009 22:22 "msrdude" <kimiga(a)gmail.com> wrote in message news:fa1dc116-9f70-4ed9-9646-9a68697f3d25(a)s21g2000prm.googlegroups.com... > When should i replace my oxygen sensors? Do i change it at a specific > amount of miles, or do i change it when the check engine light comes > up and the code happens to be a o2 problem/malfunction? > > I think you only replace the gas cap when the check engine light goes > up for it right? The short answer is yes, replace when the Check light comes on. It's always possible that the light does not mean the sensor or cap are bad -- the error code can come from somewhere else but make the sensor or cap look like the problem -- but there is no replacement interval for these parts.
From: Ray O on 16 Sep 2009 01:31 "msrdude" <kimiga(a)gmail.com> wrote in message news:fa1dc116-9f70-4ed9-9646-9a68697f3d25(a)s21g2000prm.googlegroups.com... > When should i replace my oxygen sensors? Do i change it at a specific > amount of miles, or do i change it when the check engine light comes > up and the code happens to be a o2 problem/malfunction? > > I think you only replace the gas cap when the check engine light goes > up for it right?
From: Ray O on 16 Sep 2009 01:43
"msrdude" <kimiga(a)gmail.com> wrote in message news:fa1dc116-9f70-4ed9-9646-9a68697f3d25(a)s21g2000prm.googlegroups.com... > When should i replace my oxygen sensors? Do i change it at a specific > amount of miles, or do i change it when the check engine light comes > up and the code happens to be a o2 problem/malfunction? > > I think you only replace the gas cap when the check engine light goes > up for it right? You should replace the oxygen sensors if the check engine light comes on AND the diagnostic trouble code (DTC) indicates a problem with the O2 sensor circuit AND the O2 sensor tests bad. Toyota does not specify a replacement interval for the O2 sensors. On vehicles with OBD II systems, a loose or missing gas cap can cause the check engine light to illuminate. If you get DTC numbers P0440, P0442, P0455, P0456, or P0457, the gas cap could be loose or missing, the gasket on the gas cap could be bad, or there is a hole in the gas tank or fuel filler neck. If you get one or more of these codes, try tightening the gas cap until you hear it clicking first since it costs nothing to try; the check engine light should go out by itself in a few days if a loose or missing gas cap is the cause. Tightening the gas cap for any other codes won't do a thing. -- Ray O (correct punctuation to reply) |