Stumped the 84 928

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14 years 7 months ago #7464 by 928mac
Replied by 928mac on topic Stumped the 84 928
Thanks for clearing this up Austin. Since I only own a S4 I forget about the early fuel injection.

Austin is right about the intermittent issues and check that green wire all the way along from the distributor to where it disappears. I have heard a lot about it but my car dose not have it.

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14 years 7 months ago #7468 by lrpman
Replied by lrpman on topic Stumped the 84 928
Thanks guys, I drove it when I got back from Texas and it drove fine, started as normal, ran as normal. I might just park it in the shop so I can go over all the grounds again.
I was picking what is remaing of my brain and came up with what happened when it did not start.
1. Turned key car ran for a split second then stopped.
2. Immediate try got NOTHING
3. Wait about 2 or 3 min again a cough but no start.
4. Ran all the test I could
5. Called AAA
6. Got ready to give it up to parts car status
7. Car started and ran fine and still does.
Observation
1. Air was about 72 deg
2. Dry, no rain
3. Ran at 75+ mph on interstate for about 30 min before arriving at FedEx
4. In FedEx for about 15 min
5. No Start

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14 years 7 months ago #7469 by srshaw3
Replied by srshaw3 on topic Stumped the 84 928
Is it an auto?
Isn't there a relay in the auto that can cause such issues?
If an auto perhaps related to not knowing it is in Park...

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14 years 7 months ago #7474 by 928mac

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14 years 7 months ago #7486 by lrpman
Replied by lrpman on topic Stumped the 84 928

Stan.Shaw@Excell.Net;7639 wrote: Is it an auto?
Isn't there a relay in the auto that can cause such issues?
If an auto perhaps related to not knowing it is in Park...


That is the problem with the 1982 about Park, yes both are Automatic. The 1982 needed the shifter adjusted to trip the cut out switch which I did and it is fine. The 1984 is fine the starter spins over and it would NOT if the cut out was not tripped.
Cut out is the Neutral Safety Switch

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14 years 7 months ago #7490 by srshaw3
Replied by srshaw3 on topic Stumped the 84 928
Sorry, I jumped over that it was cranking.
The green wire is a good option to check, it runs from the control unit near the jump post on the passenger side across the front of the motor to the distributor (as I recall). It could be grounding, but as I recall, it can have an internal breakdown as well.

Greg's site also suggests the ignition switch: nichols.nu/tip484.htm

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