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Car dies after starting - 80' 924 Turbo

 
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ElkBear  



Joined: 10 Sep 2017
Posts: 5
Location: Canada

PostPosted: Fri Oct 13, 2017 5:33 pm    Post subject: Car dies after starting - 80' 924 Turbo Reply with quote

Hi 924 Board! Canadian 931 owner here, need your help!

car arrived on the flat bed last week, its a 1980 924 Turbo (931) 87,000 on ODO

This is the report of the first time I attempted to start the vehicle since I owned it. The previous owner said it would take a few attempts each time to start it. He also said that the he put 91 octane in the tank in April of this year.

1st - Car starts immediately, runs for around 2 seconds and then dies. ( a steady decline of RPM and then dies)

2nd - I started again, and it ran for 2 seconds and died,

3rd - I repeated this a third and forth time and it the same thing happened.

4th & 5th - On the forth I gave it some gas and it died even more quickly. On the fifth try I gave it gas again and it died.

6th - it started and ran. stayed running.

Once it was running it ran nicely, no knocking and no misfiring, accelerated to 3000rpm and it was smooth.

So. what is my issue?


[img]https://scontent.fyyc3-1.fna.fbcdn.net/v/t1.0-9/22282110_10154790370303204_5218497778069761432_n.jpg?oh=f5b853ac5e94f8c7c70043f181f00b18&oe=5A7ED27E[/img]
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924-76  



Joined: 05 Jun 2006
Posts: 1475
Location: Ontario, Canada

PostPosted: Sat Oct 14, 2017 10:22 am    Post subject: Reply with quote

Hi and welcome to the board.
Congrats on your purchase.
Where in Canada? I'm in Ottawa and we have member across the country.

Your problem could be a combination of things, but my first guess would be Air and Fuel ratio. This could be cause by vacuum leak, bad warm-up-regulator and/or bad adjustment on the fuel distributor.

First, I would run a smoke test and eliminate all vacuum leaks.
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1976 924 N/A ROW SOLD
1980 931S
1981 931 Part car RIP
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morghen  



Joined: 21 Jan 2005
Posts: 8868
Location: Romania

PostPosted: Sat Oct 14, 2017 4:17 pm    Post subject: Reply with quote

Fuel pump relay
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