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Mark Crowe Mark Crowe is offline
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Join Date: Apr 2007
Location: South Africa
Posts: 83
To elaborate on one of the suggestion regarding the rotation of the fuse before getting a current- I had an intermmitent problem on my 3 litre Turbo for a long tieme. Every now and then the one fuel pump would not kick in, so had to bypass relay. Checked fuse, holder, connection, all was fine., and I blamed the immobiliser.

Eventually a fine corrosion spot on top connector was noted, very difficult to see and in spite of having sanded the copper back in the course of diagnosing the issue, it seems the corrosion kept coming back to the same contact spot. The fact I sanded it may have added to this pre dispostion to it coming back ( we have a lot of moss and spores in the area I live in and the car stood for long periods.

Surpised that it never stopped the car whilst I was driving though,

I have heard of cars, not only Porsches, having fues boxes replaced if they are old, so this transient corrosion may be a source of more issues than one would imagine
Old 04-27-2010, 11:05 AM
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