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TopsailBeach's Avatar
 
Join Date: Sep 2002
Location: Raleigh, NC
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Intermittantly dies@#! Argggggg!

The 944 has on two occasionls just quit today. Once while shifting to 4th on the highway, and again after stopping at the mall. It cooled a bit and later started, but I can't make heads or tails of this. Searching this board and looking at Clark's Garage leads me to believe it may be the DME relay. Fuel pressure regulator, speed/reference sensors could also be the problem, but the symptoms don't seem as pronounced as those I've experienced.

When she died, she died, out of the blue, no warning, no sputtering, no nothing.

What do you think?

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A J Burns
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Old 09-08-2004, 06:00 PM
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ilikemy944's Avatar
 
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DME relay is my guess
I think the cheapest to check too.
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Brad Tompkins

Current: '86 951 Sunroof Delete - '89 951 - '83 944 Spec - '08 Cayenne Turbo
Past: '88 924S Track - '86 944 16v - '87 951 - '87 951 - '88 951S - '08 Cayman S - '87 944 Track - '93 968
Old 09-08-2004, 06:37 PM
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I would start with speed/reference sensors, free to check =)

If it doesn't sputter or anything like that, it sounds like it's losing spark.

When it won't start, does the tach move when you turn it over?
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Old 09-09-2004, 12:12 AM
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Dave L's Avatar
 
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Id put money on the DME relay, I had the same thing happening to my car. Try tapping on the DME and then starting it.

Having and extra relay is a good idea I am told.
Old 09-09-2004, 05:47 AM
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jm951's Avatar
 
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Location: Winston Salem, NC
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This is nearly always the DME or a sketchy Speed/Ref sensor connection. Check both, it's not a hard fix.
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Old 09-09-2004, 07:05 AM
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fuel filter? they tend to clog when they're in need of replacing.
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Old 09-09-2004, 10:01 PM
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Since it didn't sputter or anything, I'm leaning away from a fuel-related problem, unless the injectors quit firing altogether. I've had a few clogged fuel filters, and usually the car will idle, but once you get the revs up, they start missing really badly.
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Old 09-10-2004, 08:36 AM
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Finally. It's just the DME relay--easy and it runs like a champ. Bought two. One to replace the bad one and one for the glove compartment!

Thanks for the advice folks. This board has saved me big bucks over the years!!

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A J Burns
'07 Guards Red Carerra 4S 911 Coupe w/Aerokit
'86 Iris Blue Carerra 911 Coupe (given to my son)
'63 Morgan Tiger Cub w/original Atomic 4
Old 09-15-2004, 06:45 PM
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