[Diy_efi] Bosch L-Jetronic Trouble

[kd694j0538f at hotmail.com]

Start with a new $25 DME relay. It is usually about 75% of your troubles.

FR Wilk
944 Performance Chips
http://944dme.tripod.com
http://early944.tripod.com
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----- Original Message ----- 
From: "Mike Sharp" <Mike_Sharp at pacbell.net>
To: <diy_efi at diy-efi.org>
Sent: Friday, October 25, 2002 7:25 PM
Subject: [Diy_efi] Bosch L-Jetronic Trouble


> Hi,
> 
> Where to look??
> 
> I've got an '87 Porsche 924S that starts fine, makes it through 
> post-start (starts, runs at idle, accelerates normally, its even drives 
> normally during this period) and then dies immediately.  It stops just 
> like you switched the key off.  It doesn't stumble, accelerate, or 
> anything else.  It just dies immediately.
> 
> I don't know if this is particularly indicative of anything.  The 
> manuals I've got (Bosche Fuel Injection & Engine Management by Probst, 
> and the Porsche factory manuals) don't do a very good job of trouble 
> shooting by symptom.  They pretty much say 'check everything'.
> 
> Once off of post-start what is the primary control input for the pulsed 
> injection?
> 
> I'll be taking everything to pieces tomorrow, but any insight into where 
> to look first would be appreciated.
> 
>    Thanks,
> 
>         --Mike
> 
> 
> 
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