8 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHEngine died - Powerless
Reported or suspected cause
zero codes
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Reported cause · Original poster
Finally checked for fault codes with my OBD-scanner and it turned out to be zero codes.
Leading evidence: 'zero codes' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'zero codes' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check fault codes' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
Finally checked for fault codes with my OBD-scanner and it turned out to be zero codes.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
Pull battery and tray, use a mallet and a stiff steel shaft to knock the locking ring around if you do not have the tool.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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1 acknowledgements have no verified action link; they do not establish a repair result.
Hi, in desperate need of advice and expertise.
I�ve just experienced a problem with my 996 4S tiptronic from 2003.
Started driving today, very hot day here in Sweden and after about 10 kilometers of driving, the car lost thrust and the engine went powerless.
Managed to get of the freeway and, after a couple of engine shutoffs, I parked the car.
Tried to start it again but the engine stalled and shut down a couple of more times.
Now, after waiting about 45 minutes, the car starts without a problem and idling perfectly.
What can cause this kind of behavior?
When the car started behaving strangely on the freeway the temperature was bang on 80 degrees Celsius.
A faulty MAF-sensor could be logical or is it the crank position sensor that�s faulty?
Can add to the story that after a little more than an hour I turned the ignition on and the rev counter jumped up to 5-6000 rpm and then quickly down to zero and this pattern repeated itself a couple of times.
Is this perhaps some sort of code for what�s wrong?
First thing you need to do is get some type of Generic OBDII Scanner and pull the Fault Codes...
With those symptoms there will be probably several Fault Codes, and if not that in itself is a clue...
The Fault Codes will give a more detailed direction into what circuit or component is causing the symptoms..( then Testing or "guess-work" or parts cannon can go from there)
Could be your fuel pump, electrical part of the ignition switch, crank position sensor, an electrical component, and a lot of other things. What recent maintenance has been done on the car? What has broken and needed fixing? Who does the maintenance on your car? Very good idea to query the car for any error codes first. Then it is a wild gamble after that...
Finally checked for fault codes with my OBD-scanner and it turned out to be zero codes.
After a couple of days searching the internet I�m leaning more and more towards a faulty fuel pump.
I�ve got no idea what the labor cost for changing it is but the part itself seems to cost, at least here in Sweden, about 450 dollars so not to bad in my opinion.
To what I understand (like previous post), the change is not difficult.
Anyhow, I have followed couple of fuel pump replacements and the hoses/pipes that conncts to the pump are very brittle inside the tank.
Maybe it is good to have somebody to do the swap who is aware of this kind of in-tank pumps (still does'n need to to be Porsche specialist).
As stated, it sounds like a fuel pump. I have had same issue a couple of times. There is also excess pressure build up in the tank which can cause this; a known problem on hot track days. The pump has some extremely brittle fittings, ask me how I know. I had to modify my pump to adapt a straight-on fitting as opposed to the snap fittings because of this. If you do yourself, you can have the pump out of the car in 20 min. Pull battery and tray, use a mallet and a stiff steel shaft to knock the locking ring around if you do not have the tool. Unclip the fittings...carefully and with picks so as not to snap the fittings. Remove the pump and reverse the process. I can do a pump in an hour.
I am actually working on an aftermarket pump build that should eliminate the plastic crap that these cars have at older mileage and date. This setup will be remote as well with better AN fittings and lines.
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