Bosch LE/2 Jetronic (info and problems)

Rich M rsrich at cwcom.net
Fri May 19 07:53:02 GMT 2000



> -----Original Message-----
> From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
> Behalf Of Steve Spiers
> Sent: 17 May 2000 11:33
> To: diy_efi at diy-efi.org
> Cc: DIY_EFI-Digest at lists.diy-efi.org
> Subject: RE: Bosch LE/2 Jetronic (info and problems)
>
>
> it was about 250 ohms at "normal" temp. this means its running
> about the right temp,

Yep, looks ok.

> maybe the gague on the dash is wrong. In my experence Its ver
> unlikley that the gague on
> the dash is wrong, but you never know

And the dash gauge usually runs off an independent sensor too, so I would
agree with you.

> I found one other interesting thing, 1 of the 3 values in the AFM
> was out, do you recon
> that this means the AFM is broken?

Can you elaborate on that description a bit? Do you mean the voltages
measured at the AFM terminals? - if so which one is wrong?

>
> I tried adjusting it on the Gas analiser, could not get the CO
> below 8%, It should be
> about 1% or less. Adjustment screw on the AFM had little effect

Wow, 8%! is that at idle? The engines I've seen with LE2 (mainly
Vauxhall/Opel and Peugeot/Citroen) seem to like CO >3% to run properly,
anything less than 1.5% runs pretty rough, but 8% must be getting pretty
smelly! Have you any idea what the CO readings are higher up the rev/load
range? At a high idle (off load, 3000 rpm say), the CO should normally
reduce to levels below 1%.

Rich

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