Where is OBD port?

[Chris 180SX]

Sorry for the lame topic, but I did search - I have just got a CEL and want to read it (I have a reader) but can't find the port?

[uktotty]

Under dash on right of steering wheel

[Wabbitkilla]

Just feel along the bottom of the dash to the right of the steering column and you will find it   s:wink: :wink: s:wink:

[Chris 180SX]

Thanks guys!  Feel so stupid now!!!!

It was a 0141, which I believe is the post cat O2   s:( s:(    What a lovely day for a car problem!!  I should be OK to drive it till I sort it, shouldn't I?  Guess I'm going to get stung for a few quid...

[mrzwei]

The sensor relays a message to the ECU which may then modify the mixture, or in this case, may modify it because there is no message. Don't think there will be a problem driving it and there are some cost effective solutions out there. This of course could be bollocks, just my understanding, but there will be more informed opinions to follow.

[StuM]

Pretty sure that the signals for the post-Cat sensor (the one that throws a P0141) aren't used by the ECU to adjust mixture.

As I understand it, the sensor only reads the emissions output properly when it is warm.  As it is cold first thing (for a couple of seconds) after a start, there is a heater circuit as part of the sensor, pre-warming it and allowing accurate reading.

This heater circuit would seem to be the most common source of failure - even though it has failed, the rest of the sensor works ok.  So, options are:

1) Fit a resistor into the heater wiring so that the car *thinks* it's working which fools it into not throwing the code, or
2) Fit a new O2 sensor - best price I've found for an original part is £80ish.

Short answer, I think that you are fine to keep using the car.

[muffdan]

that's right, the post cat sensor isn't used in the running of the engine and it's perfectly safe to drive the car with it malfunctioning.

[uktotty]

The resistor fix is pennies mate, easy to remove that 141

[Chris 180SX]

Excellent, thanks so much guys, feel a lot better than when it first flashed up this sunny morn!    s:D s:D   I will look at replacing maybe when I do my precats soon...

[nathanMR2]

Ive just replaced mine today, no more CEL's so far and ive done 50miles+

I paid a shade under £60 delivered for a Denso post cat sensor (with lead and plug) so a direct replacement.

PM me if you want the details

[Anonymous]

Ive just replaced mine today, no more CEL's so far and ive done 50miles+

I paid a shade under £60 delivered for a Denso post cat sensor (with lead and plug) so a direct replacement.

PM me if you want the details

Why not put the details here and let everyone know.  l viewtopic.php?f=11&t=19412 l

[nathanMR2]

I will do mate.

I just wanted to get a few more miles on it before putting it out to the masses

[Chris 180SX]

That would be great, cheers, bit cheaper than I thought too!   s:) s:)

[nathanMR2]

Let me do some digging and ill see if i can get some sorted for the club at a better price

[uktotty]

Cheers Nathan, looks like I need TWO  s:( s:(

[Mad Matt]

OK, I know this isn't a group buy thread, but I've got the notorious code too. I know it's not serious, but it is irritating so I'd be interested too.

[nathanMR2]

Please see

 l viewtopic.php?f=36&t=28730 l