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The alternator idiot light is connected to the battery on one side and, via the exciter wire, to the alternator on the other side.

Ignition on, engine not started: The idiot light comes on via the ...

I'm not sure that is what I would do..

Why don't you sell the injectors you have to somebody with a later car and buy 4x 047 133 551 instead ( part no. assuming you have an N/A car)? These will fit ...

I'd check for vacuum leaks first.

For your idle to rise to 2k, it'd have to be a massive leak(s) that should be easily found

If you get stuck and need help, just ask!

Good luck!

Eliza

Hi Tommy,

That's not how the popups SHOULD behave ( or the light switch ).

A brilliant troubleshoother for the whole enchilada can be found here:

http://944foot2thefloor.blogspot.com/p/tutori ...

Hi Tommy,

what you describe, is this with the enginne running or just ignition-on?

With the pop-ups open and on, and your dash lights on - what happens if you switch off the ignition?

All lig ...

Hi Beartooth,

turbo and n/a share the same relay 433 906 059. It's only the cars up to MY 1979 that have the early relay 477 906 059, and that's because the earlier ignition setup is different so a ...

I found the info the thread starter was looking for on the German Porsche forum. For future reference:

The later relay 433 906 059 can be used instead of the NLA 477 906 059 after the following cha ...

I was under the impression that the early relay has an extra pin that energizes via the starter to prime even before the first ignition pulse. Reliable info on the web is scarce and fuzzy though. If i ...

With the current semiconductor shortages I don't see solid state relays for our cars coming any time soon.

In the coming months, I'll play some more with my electronics starter kit to see if I can ...

The KAE 3.300.300 is a direct replacement for 433.906.059 and won't help the thread starter I'm afraid. The old relay 477 906 059 is a six-prong, the later 433 906 059 is 5-prong.

What makes both t ...

If you can smooth out your cold idle with the throttle, I would still suspect your AAV - that's actually its function. Creating a controlled air passage while cold to incrase metered air, and thus fue ...

Search for "adjust auxiliary air valve"- loads o threads out there.

Here's a good one:

https://www.fiatspider.com/f15/viewtopic.php?t=39810

I usually first dump a cleaned AAV in th ...

Just to clarify, Porsche part no. 931 606 105x cross-references to Bosch no. 0438140062.

Steve, are you sure yours ends with 092 not 091? 091 would be for a 931 RoW and corresponds to 062 but has ...

Possibly, but the WUR used for the GT is (according to PET ) the same as the one for Series1 turbos. Series2 turbos use a different WUR.

I have the pressures for the 0438140062 WUR which is the on ...