08-06-2015, 09:50 AM
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#1
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Registered User
Join Date: Aug 2015
Posts: 3
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Boxster S engine failure?
I have a Boxster S from 2002, 130000km. I have now experienced the same issue 3 times.
When acclerating hard in first gear, the cars goes into "safe mode", I canīt drive more than 1000 rpm. then I drive to the side, and turns off the engine, and powers it up Again, and the cars runs normally.
Today when it happend, the engine turned off complety under accleration, went to the side, started it Again, and it runs fine. What could be wrong?
The car has full service history at Porsche in Germany.
Pls. help...
Thanks
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08-06-2015, 11:19 AM
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#2
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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PSM? Clutch slips and car thinks it's breaking traction?
Some sensor along those lines? Faulty sensor telling engine incorrect readings?
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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08-06-2015, 11:25 AM
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#3
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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How do you know that the car is going into Safe Mode? Completely turning off isn't usually a "Safe Mode".
Manual or Tip?
What happens if you accelerate normally?
Does the engine go into safe mode in any other gears?
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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08-06-2015, 11:35 AM
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#4
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Registered User
Join Date: Aug 2015
Posts: 3
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Itīs a manual 6 speed. It has never happend in other gears, always in first high rpm. og when shifting to 2nd. the first two times, I am sure it was safe mode, as it was still on, but could only take few rpms. Today (the third time) all lights on the dashboard went on, and the steering went hard, so I pulled over and turned the ignion off and on Again, then it ran Again. If I drive "normally", no error accours. And I just been out driving Again, tried to give it 7000 rpm. in first gear and second, no errors?
I donīt know if this is relevant, but I had the batteri disconnected today, for filling it up with distilled Water.
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08-06-2015, 01:30 PM
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#5
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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They only thing I've experienced that seems similar was when the throttle body failed prematurely. It wouldn't go past 1K RPM. But it wasn't intermittent like in your situation.
Why not take it to the shop if its happened multiple times?
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GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
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BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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08-06-2015, 07:42 PM
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#6
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Has the check engine light (CEL) come on?
How much gas do you have when this happens? Low tank or almost out?
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
Last edited by thstone; 08-06-2015 at 07:46 PM.
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08-06-2015, 09:45 PM
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#7
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Registered User
Join Date: Aug 2015
Posts: 3
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no lights came on. the gas was half full.
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08-07-2015, 03:42 AM
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#8
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,644
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Quote:
Originally Posted by thstone
How much gas do you have when this happens? Low tank or almost out?
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I was thinking the fuel pump might have come loose. I've heard of a problem like his and that was what happen. So hard to diagnose without out being in front of the car though
__________________
Woody
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08-07-2015, 02:01 AM
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#9
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Registered User
Join Date: Jun 2014
Location: LB, Germany
Posts: 1,513
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My recommendation: read out errors with a Porsche diagnostic tool.
Regards
Markus
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