12 wrote:
>>it sounds like the engine is in "limp home" mode,and there's something
>
> very
>
>>wrong. You can get the OBD-2 codes read for free at many auto parts
>
> stores.
>
>>That is where you must begin.
>>Telling us the mileage,auto or manual tranny,and any recent repairs or
>>service will be of help,too.Also WHERE you are,like what country.
>>
>>--
>>Jim Yanik
>>jyanik
>>at
>>kua.net
>
>
> Hi again, I'm in the UK, the car was buillt at the Honda plant at
Swindon.
> It is a Honda Civic manual transmission ,diesel, 1.7 CTDi. (I'm
struggling
> to find a workshop manual for it on the internet or anywhere else) It
was
> registered on the road 2003 and has done just under 71000 miles. Three
weeks
> ago it fully passed it's MOT (roadworthy checks + emission checks). Fuel
> filter was changed at the last but one service so one is due at the
next.
>
> Looks like it was in limp home mode. It's changed now though - after
leaving
> it overnight the engine warning lamp is still on when the car is running
but
> the car will now happily rev as normal. Presumably there is still
something
> wrong.
>
> With little other info I'm assuming it's an exhaust detector fault of
some
> sort. Getting free fault codes read is a bit tricky over here -
presumably
> manufactureres have their own interface and comms codes or is there an
> industry standard (eg connector pinouts and codes etc ?) Might it be
> possible to get software and a laptop interface lead to connect to it ?
>
> There is a section of the exhaust pipe that looks like it might be a CAT
> converter (it's about 8 inches long with metal thin strips, cross
platted
> around the outside.) When tapped it has a slight rattling sound from
> inside. (Hmmm $$$ #� ?). Is there an emission detector after the
CAT
> (assuming it is one ???) I have had a good look underneath and can find
> nothing so assuming there is some form of emission sensor it must be
close
> to the exhaust manifold (???)
>
> My next step is to look for any detector and test it and try and get any
> fault codes read (without spending a fortune on labour charges). I read
> somewhere on the newsgroup about the car's computer forgetting any fault
> code conditions after the car has been started three times - sound like
a
> myth or crap design ? I wondered, if it is true, if that is why the revs
are
> now ok.
>
> Thanks for the advice/suggestions - any further to be offered would be
most
> gratefully received.
>
> Regards,
>
> Bob
>
>
>
>
>
>
>
Hmmm,
Pull the error code first and start from there. Honda has ISO interface
connector.
I use my own OBD II code reader with my notebook computer USB ****t. Hand
held simple code reader is not that expensive.


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