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Replies:
11
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1
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Last Post:
Aug 22, 2007 3:16 PM
Last Post By: tdiesel
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Posts:
25
Registered:
05/17/04
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1978 924 Starting Troubles.
Posted:
May 17, 2004 7:20 PM
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Any help here would be greatly appreciated!
I have a '78 924 that I used to drive quite often. It has sat in my garage for over 1 year now.
I have: drained the gas and refilled the tank. Replaced the spark plugs, spark plug wires, cap, rotor, and coil. The 924 just wont start...it turns over and over and over...just wont start...
Does anyone out there have any ideas or suggestions?
Thanks,
Porsch924@aol.com
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Posts:
740
Registered:
12/09/03
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Re: 1978 924 Starting Troubles.
Posted:
May 18, 2004 2:56 PM
in response to: Porsch924
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If it sat for a year that is the worst thing for a cis fuel injection. The filter needs to be changed, probably the lines flushed. The accumulator could be bad also the fuel distributer is probably all gummed up also. then there is the injectors, they probably need flushing. Did I miss any thing? oh yeah before storing a car put some fuel stabilizer in the tank and let it run.
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Posts:
130
Registered:
04/19/04
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Re: 1978 924 Starting Troubles.
Posted:
May 18, 2004 4:43 PM
in response to: Porsch924
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I had this problem and what I did was tap the fuel pump while a friend tried to start the car. If you try this be sure the transmission is out of gear and the hand brake is on.
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Posts:
25
Registered:
05/17/04
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Re: 1978 924 Starting Troubles.
Posted:
May 19, 2004 2:22 PM
in response to: magcuda
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Thanks for the help. How would I go about cleaning the injectors & dist.? If the car was running, I know of stuff you can run through the gas...but what can I do without running the car? Is there something that I can buy to clean it?
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Posts:
2
Registered:
06/14/04
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Re: 1978 924 Starting Troubles.
Posted:
Jun 14, 2004 6:06 PM
in response to: Porsch924
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more than likely your gas has set up and left deposits on your fuel pump screen inside the tank. Have you checked to sure that fuel is being pumped through your injectors. You might even have clogged injectors.
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Posts:
1
Registered:
09/07/04
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Re: 1978 924 Starting Troubles.
Posted:
Sep 7, 2004 8:32 PM
in response to: sir_wm.
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I am having the Same problem with my 1980 924 Turbo. My father is a autotech and know GM but he has no clue about this porsche. He wants a Wiring Diagram of the fuel pump? WHere can i get one? How do i clean the injectors and the and the fuel pump?
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Posts:
25
Registered:
05/17/04
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Re: 1978 924 Starting Troubles.
Posted:
Dec 7, 2004 2:16 PM
in response to: stlopez13
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Did you get your 924 Turbo running again?
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Posts:
2
Registered:
04/17/05
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Re: 1978 924 Starting Troubles.
Posted:
Apr 17, 2005 12:27 AM
in response to: Porsch924
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we have the same problem you described. Did you get your car started? Was it fuel related?
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Posts:
25
Registered:
05/17/04
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Re: 1978 924 Starting Troubles.
Posted:
Apr 22, 2005 10:46 AM
in response to: raul from Iowa
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No, I havent had the time lately to work on it.
It still just cranks and cranks and cranks.
I did take the fuel pump off, and ran a lead to the battery - and the pump did run. I am completely confused as to why the car wont run! I used to drive the 924 daily, until about 3 years ago. I did put in a new fuel pump relay, which didnt work. I remember the whole thing started (i think) when I put in a new battery cable. When I put it one (the wrong guage) the starter motor started to turn on..which was strange. I immediatly pulled off the cable, realizing my mistake, and got the right one. The car never ran again...now that may not have anything to do with it...but thats all I came up with. Maybe I fried some wire somewhere...who knows...ANY ideas would be welcome...I have wondered if I ran a line directly from the battery to the fuel pump and run a toggle switch, if that would help...
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Posts:
2
Registered:
04/17/05
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Re: 1978 924 Starting Troubles.
Posted:
Apr 30, 2005 7:33 AM
in response to: Porsch924
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When you crank the engine do you have any spark? An easy way to tell is if you hook up a timing light and pull the trigger while you turn the key.
Does the '78 have a ballast resistor or resistor wires? If no spark, would check the ballast resistor and the connections at the coil. Check the grounds for oxidation, corrosion. Check the ground at the ignition module on the left fender.
If you have spark, have heard the fuel accumulator goes bad if the car sits. If you hot wire the fuel pump, some serious problems will develop, is not recommended at all.
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Posts:
25
Registered:
05/17/04
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Re: 1978 924 Starting Troubles.
Posted:
Jul 3, 2005 10:31 PM
in response to: raul from Iowa
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For anyone that was reading;
the problem was in the ignition switch!
a relay behind the switch was bad...so the fuel pump was not turning on.
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Posts:
1
Registered:
08/22/07
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Re: 1978 924 Starting Troubles.
Posted:
Aug 22, 2007 3:16 PM
in response to: stlopez13
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Can any one e-mail me wiring diagram of 1980 924 Turbo? I am particularly intrested in the fuse box and the fuel pump wiring.
My e-mail address is tdiesel@global.net.mt
I would like to thank in advance the person that will help me
tdiesel
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