VW Bosch injection

Frank Parker fparker at umich.edu
Thu Mar 28 20:12:39 GMT 1996


> 
> I believe that all injected air-cooled VW's used Bosch CIS Mechanical
> injection, which doesn't really have a "computer" at all. Just a temperature
> sensor for the cold-start enrichment injector, and a mechanical metering
> system.  I have the same system on my '79 SAAB, and I have a '74 Beetle
> which, well, hmm... is using dual Solex Carbs and no FI as yet.  CIS is very
> simple and reliable and works quite well, particularly in small 4 cylinder
> engines.  Bosch publishes an excellent book on their fuel injection systems,
> and there is abundant information on CIS in the Bosch Automotive Handbook as
> well.  Another source of good information is the Robert Bentley official VW
> service manuals.
> 
>                                                     --- R. Andrew Broadhurst
That is not true. Early VW fuel inj was "D" Jetronic which was  speed
density. Was installed first if I remember correct on mid 60's VW 
hatchback aircooled engines.

Frank
> > 



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