Anonymous. wrote:
> "Richard Setford" <richardsetford@[EMAIL PROTECTED]
> wrote in message
> news:479f8f3c$0$54790$7b0f0fd3@[EMAIL PROTECTED]
>> Got a 2002 406 2ltr Petrol (Rapier). Every 1500 miles or so I'll start
the
>> car from cold, it'll be rough as hell with messages like 'Pollution
>> control Failure' and 'catalytic converter failure'.
>> If I then stop the engine, turn her over, she'll fire up with no
problem
>> and run as well as she ever has. The engine management light on the
dash
>> stays on for a four or five jouneys then goes out.
>> Should this be something I should worry about, i.e. spend money on
taking
>> the car to a garage or do you think it could be something I can sort
out
>> myself?
>
> The anti-pollution alarm, in particular the catalytic convertor alarm,
will
> come on for any engine fault that causes neat petrol to go down the
> exhaust pipe.
>
> The 2L engine has got hydraulic tappets which get a patina after a few
years
> and make them sluggish in operation. Net result .... the exhaust ****t is
> still
> slightly open when the compression stroke comes up, so neat fuel
> goes down the exhaust pipe.
>
> The two alarms that you mention result in uninformed mechanics replacing
> the catalytic convertor, the ignition coil pack and the injector on the
> faulty cylinder, but the cure is to flush the hydraulic tappets before
> refilling
> with oil.
>
> One long term cure is to replace them with those from the 1.8 engine.
>
>
Thanks for that advice. I'll certainly investigate further.
Best regards,
Rich
|
