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Fuel SHUT OFF Safety Valve
#1

Does anyone know if the 968's have a safety fuel shut off switch or valve. My son spun into a ditch last night in the 968 and now it will not stay running like it runs out of fuel. I checked the fuses and the fuel pump fuse was blown, so replaced it and also replaced DME relay. Same!!!! Any other ideas! Thanks.

Kevin
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#2

Check the fuel pump and wiring.
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#3

If the fuse blew, it was for a electrical reason. Either the pump failed in some way, or some wires were jarred loose and touched.
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Current:
2016 Cayman S
Former:
94 968 Cab 6 Spd. Black/Cashmere D1R SC
86.5 928 Garnet Red Metallic
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#4

do you smell fuel?
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#5

is there a big clump of dirt and sticks jammed up into the area behind the right rear wheel well?

and pay attention to Flash's post!
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#6

I had the same symptoms. In my case it was the electrical connector above the differential that was damaged. Car starts runs good. Connector got hot and the pump stops. After 3 minutes you could start the car and it runs fine till the connector got hot again. When the connector got hot, the clamp opened in the connector and the circuit was broken.

After I found it the problem was solved and it run better then ever before!
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#7

Sorry guys, I just got done checking everything you all suggested and more, no of them seem to be the problem.
Now, the car turns over, but car will not start and there is no spark at the spark plugs--I'm thinking it might be the DME, but I hope not!!!!$$$$$$$$$$$$

Pleas keep the suggestions coming, in the mean time I'm taking it to a friend's shop and maybe his brain can help, because I am wore out!!!

Kevin

BTW, the check engine light is now on and I cannot retrieve codes with the flash method

Thanks again!!

Kevin
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#8

How much of a jolt did it have when it hit the ditch? Does the tach needle bounce when you turn it over?
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Current:
2016 Cayman S
Former:
94 968 Cab 6 Spd. Black/Cashmere D1R SC
86.5 928 Garnet Red Metallic
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#9

That is a good and well hidden find, Unknown!

kwikt: Is the fuel pump relay turning on and off...? Is the fuse still blowing...?

Doubt it is the ECU. May want to unhook battery for a while and reconnect to see if anything clears. Also, may want to unhook battery until problem is solved...don;t need a fire now...
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#10

Ok,,,,,,, wore out but I got er fixed. Evidently when my son slid through the ditch and stopped. Water ended up around the DME in the passenger floor board. Maybe through the vents????? Sure enough water in the DME. Disassembled it, pulled the chip, spayed the board and all componants with Electrical cleaner then a shot of CRC Maf cleaner(dries very quickly). I figured my chip was saturated so in went the spare stocker. Believe it or not it runs fantastic again and no CE light and no codes! For precautionary measures I'm keeping the DME board in the house safe and sound for tonight just to make sure it dries completely. I'll post later if it takes a shi#. Thanks for the ideas and support guys!!!

Kevin
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#11

If you keep the DME board in the house all the time that could solve the problem of your car ending up in the ditch [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img]
I have a 22 year old with "Porsche" enthusiasm so I fear I may share your pain one day.
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#12

what...no one said anything about water in the ditch...could have been worse..water in the intake...
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#13

Great replies [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] Well the car is still running great. I believe the problem is solved. I bought new tires, changed the oil and even managed to detail it this weak. My wife dropped him off at college summer session 2.5hours away and the car is safely in my possession once again. Maybe I'll let him drive it this weakend when he's home [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] Then again maybe not [img]style_emoticons/<#EMO_DIR#>/mad.gif[/img] [img]style_emoticons/<#EMO_DIR#>/mad.gif[/img]

Kevin
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#14

<!--quoteo(post=75563:date=Jul 15 2009, 03:22 AM:name=kwikt)-->QUOTE (kwikt @ Jul 15 2009, 03:22 AM) <{POST_SNAPBACK}><!--quotec-->Great replies [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] Well the car is still running great. I believe the problem is solved. I bought new tires, changed the oil and even managed to detail it this weak. My wife dropped him off at college summer session 2.5hours away and the car is safely in my possession once again. Maybe I'll let him drive it this weakend when he's home [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] [img]style_emoticons/<#EMO_DIR#>/dry.gif[/img] Then again maybe not [img]style_emoticons/<#EMO_DIR#>/mad.gif[/img] [img]style_emoticons/<#EMO_DIR#>/mad.gif[/img]

Kevin<!--QuoteEnd--><!--QuoteEEnd-->

Gosh, I'm glad my oldest is only six. Big enough to enjoy a ride in the CS but waaaay to young to even begin thinking about takin' it for a drive himself (now where did I put my keys?).

Anyway, there are numerous good reasons for ending up in a ditch without being careless or anything, but still, it is your Porsche we're talking about here and you may be better off letting him enjoy it riding shotgun. These cars are neither common nor cheap and if mine's gonna be wrecked, I'd rather do it myself... [img]style_emoticons/<#EMO_DIR#>/wink.gif[/img]
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#15

The funny thing is my son said "Dad it was so slick that it would even have happened to you". My response was ' I seriously doubt that". Hey do they still make Toyota Corrola's????

Kevin
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#16

I feel the need to stick up for the young guys out there! Im only 23 and have owned Porsches for 8 years, dumping my time and hard earned money into them along the way.
I bought my first 924 when I was 15, which I still own, picked up my M030 968 over 2 years ago, and recently acquired another 924 for a track day car.

I drive my cars hard when appropriate, and take it easy when the conditions dictate it. Just because we're young doesn't always mean we're reckless.

I think anyone who is lucky enough to have a kid interested in these cars should foster that interest from a young age, get them out in the shop and learn the ins and outs from early on.

Once they have spent serious time under the hood, they will have a different respect for the machine.
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#17

Well, Big Carl, you are only 23 and don't know what you are talking about......


Nah, just kiddin! I agree with you completely, but only some teens get to build cars, and even fewer have the road experience (Inlcuding myself and my several wrecks) to truly appreciate the power of a 3000lb hunk of metal moving at speed.
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#18

Big Carl - take that 924 and get a cage installed and race that bad boy in ITB with SCCA. That car has proven to kick ass in that class.

Rules are here: Improved Touring is the class - B is where your car fits in.

http://cms.scca.com/documents/Club%20Rul...R/ITCS.pdf

My son is 11 and we've got a 150cc offroad dune buggy/go kart. We've got a track that's about 3/8 of a mile that I use for training and practice. My son is already close to my best times - my excuse - he weighs 70 pounds less. He just laughs and knows he will beat me eventually.

Still not sure I want to put my son in a race car though - that sorta scares me.
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