Bosch LEAD PROOF O2 sensor

[xxalexx at ix.netcom.com]

> Date:          Thu, 20 Aug 1998 09:43:17 GMT
> From:          efi at isham-research.demon.co.uk (Phil Payne)
> To:            diy_efi at efi332.eng.ohio-state.edu
> Subject:       Bosch LEAD PROOF O2 sensor
> Reply-to:      diy_efi at efi332.eng.ohio-state.edu


> (CAUTION: European octane ratings follow. Absolute values differ from US)
> 
> Pump fuel here is 98 octane (super unleaded), 97 octane (leaded) and
> 95 octane (unleaded).  The car will run on the latter, but uses a
> different map.  It theoretically needs 98 octane, but super unleaded
> is stupidly expensive.  So I used leaded, even though the car doesn't
> need the lead.
> 
I have noticed that euro mercedes have a round switch under hood 
that you can select maps for fuel type.
I have seen South American and Arabian 02 sensors with rather large 
protection inlets, on cars with  factory empty cat shells.
alex