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Thought I would revive this thread with some more clarification from real life example

My German delivered 1984 model year 924 shows LM3A on build sticker, and Indischrot on the paint sticker un ...

I'm going to stay away from auctions... Not a good way to gauge the market with only 7 days exposure. And if the right buyer doesn't see the auction and bidders are just looking for a steal without tr ...

So for many personal reasons I don't wish to expand on here, I am contemplating selling my 10,000km 924.

Before anyone says the line, "your car is worth what someone will pay for it"

I ...

I do have the 'traditional' vapour lock symptoms, and solve this with the 'foot to the floor' warm start, which then it kicks over immediately and immediately after lifting my foot settles to a nice 8 ...

I'm actually breathing a bit easier now after I have done some cold start testing.

It definitely starts better cold with a richer mixture - no brainer there. So now I have the CO values set at appr ...

a bit of an update... Had the fuel filter replaced by Porsche, and then the engine CO2 re-tested. The old fuel filter was very dirty, and now since the new one is installed my engine no longer has the ...

Update. WUR removed, ultrasonic bath clean for 30+ minutes, with other components carefully cleaned, re-install with new grease on pin etc. WUR resistance 17.9 ohms, and also tested over 12v and it he ...

Drove the car even more... even fuel tank at 1/3 full is too full. Fuel running freely from WUR return line as soon as I crack it.

I cracked one of the injector lines at the top of the fuel distrib ...

Drove the car even more... even fuel tank at 1/3 full is too full. Fuel running freely from WUR return line as soon as I crack it.

I cracked one of the injector lines at the top of the fuel distrib ...

Drove the car a bit. Apparently half full tank is still too full. 🫤

A small update... checked CSV injector spray - works absolutely perfectly with nice, even, fine mist at cold crank. This also leads me to believe that the engine injectors are most likely also fine, a ...

Possibly a full fuel tank with the fuel level higher than the level of the WUR. I've jacked up the nose of the car and left the rear on the ground to avoid the siphon effect while working on my fuel ...

I don't think I WUR is "dead", as the car runs really well when warm. The WUR has 12v going to it, and it has the right resistance as per factory spec.

If I get it off, I can give it a cl ...

Hi, I've been struggling getting my '84 924 starting and running properly, but thought I would start a new thread for a very specific issue that puzzles me.

I feel I need to remove my WUR to get th ...

Ha... well, when you start talking about jumping relays, etc, it gets a bit beyond my confidence

Checked for vacuum leaks... none as I thought.

Yesterday I did start to re-tune the mixture. A ...