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No start.

I was driving pretty hard last sat. Car was getting a bit warm. It just shut off. Will turn over fine. No spark. Fuel pump is on. Changed coils. Check reference sensors. They Orginal ly were not reading correct. Readjusted bracket to .8 mm they are reading correct now . TDC .04 and rpm 1.5v on cranking. Had dme checked. Now what?? Sorta at loss. Cleaned a couple grounds. We're would you guys go from here. Did find this wire loose? Any ideas??

Old 04-21-2016, 03:07 PM
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checked cylinder head temp sensor?
Old 04-21-2016, 03:33 PM
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Is that a no spark thing? I thought that would let it run. Just be rough cause it thinks it's cold??
Old 04-21-2016, 03:43 PM
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ROW '78 911 Targa
 
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Loose one is likely the blower motor connector.
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Old 04-21-2016, 04:18 PM
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That makes sense.
Old 04-21-2016, 04:39 PM
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BUMP - I hope someone has some suggestions for you Lee, I want to see you running again soon!
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Old 04-22-2016, 04:56 AM
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Timmy is most likely correct. The wire in your hand is for the blower motor. Not needed for car to start.

By DME, are you referring to the relay, or the brain?

Do you have another car where you could install your ECU to rule that out? Any Pelicans in your area?
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Old 04-22-2016, 06:32 AM
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I'm sure he swapped a DME relay with another known working car at the track last weekend. Also they tested the DME and it was functioning properly.

I wonder if moisture was part of the problem, he was driving in an IDS and wet skid pad which soaked muddy water onto everything! This was shortly before he couldn't get it restarted.
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1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 04-22-2016, 06:54 AM
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Quote:
Originally Posted by captain hook View Post
No spark. Fuel pump is on.
Fuel pump will only run when the engine is running or the key is in the start position.

First thing to do is turn the key to on and hold the idle control valve. You should feel a very slight vibration.
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Old 04-22-2016, 06:57 AM
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Are you the car I helped push start at the accident avoidance course?

If so, as I said at the time, I think both problems are related.(Or you have s##t luck)

Go back to basics and see if you are getting good power from your battery.
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Old 04-22-2016, 07:39 AM
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Thanks guys, yes this is the car that needed a push last weekend.
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1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 04-22-2016, 08:13 AM
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Yes that was me. I'm checking battery again and grounds this aft. Main ground looks like it's been part of a shipwreck. ... and thx again for the push!

Old 04-22-2016, 08:22 AM
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