[928uk] Re: 928 EPROM/ LH Jetronic

[JDSPorsche928 at aol.com]

In a message dated 13/02/04 08:32:00 GMT Standard Time, 
kingsley.sawyers at e-dba.net writes:

> Hi John
> 
> Pardon my ignorance, but is the EPROM part of the Jetronic brain, or does it
> live somewhere else?
> 
> If the LH Jetronic unit dies, are you able to repair it, or do we all rely
> on the nice people at Porsche to sell us a replacement?
> 
> Kingsley
> 

Hi Kingsley,
The EPROM sits inside the LH ECU (fuel computer). There's another lurking 
inside the EZK ECU (ignition).

They control the fuel/igntion for all operating conditions. All the data is 
stored in a series of "maps" which store all the parameters required.

Yes, I can repair LH ECUs, for all 928s from 1987 onwards. they are very 
prone to failure.

I charge 310GBP, and warranty for 2 years. Porsche will charge about 1300GBP 
for an exchange LH ECU.

John
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