CEL is on code P0131 I don't even know where to begin on fixing this, its been on for a week. Any help would be great. Car is a 99 ex coupe 5 speed.
This. I would just replace both sensors if you're gonna do it. May as well.go to this website . it tell you about this code .
http://www.obd-codes.com/p0131
you either need a pre cat o2
or you got worse . electrical problems .
you could do a simple few tests to determine I'f you need a new sensor or I'f it's the wiring . that's I'f you have a volt meter .
or you could just replace your pre cat o2 and see I'f that fixes it .
why would you replace both ....This. I would just replace both sensors if you're gonna do it. May as well.
http://www.oxygensensors.com/catalog.php?&pkey=1355622why would you replace both ....
that's big money .
it's clearly putting a code for the pre cat 02 sensor .
there is no need to replace the post cat u2
Nothing at all just kept driving it daily and it went away.^ it went away and you didnt do anything at all?
didnt reset the code? discount the battery anything?
That's probably trueif it went away that simply, i'm sure it will come back sooner or later.