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Emergency. My 04CTT sputters and dies after I start it. Now wtf do I d

ALEV8
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ekstroemtj Member

ekstroemtj

Posted
Posted

thank you Loren. Is the fuel pump powered by this connection?

 

can i find a wiring diagram , better would be a overview where the wires are going along from pump to relay / fuse box.

 

thank you and excuse that i take your time.

 

 

 

post-18985-0-33690500-1408484807_thumb.j

 

 

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bigbuzuki
bigbuzuki

Change both pumps. Change the fuel filter. Change the fuel regulator.

bigbuzuki
bigbuzuki

Disconnect the pump 1 electrical connection from the pump, replace the pump 1 fuse, start her up a few times and see if the fuse blows again with #1 pump disconnected. That should give us a clue to w

Pkscheldt
Pkscheldt

For what it's worth. I had similar symptoms with no codes. Disconnected both MAFS (it did then throw two codes) and the car ran fine. Cleaned both MAFS, reconnected and all was well.   Cheers!

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vrichmd Member

vrichmd

Posted
Posted

I replaced that connector a few years ago, the seal was leaking so i was getting gas fumes in the interior and the gas had eroded the soft rubber.  Make sure you've got a good pin removal tool and you should be in business. 

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RFM Member

RFM

Posted
  • Moderators
Posted

In/next to the rear left wheel arch under the car are electrical connectors, the wiring of which controls the fuel pumps, this connectors can be deformed by heat influense and strange situations can occure. If so, connectors and burnt wiring must be replaced. 

ekstroemtj Member

ekstroemtj

Posted
Posted

My best regards to belgium . Thank you. I have seen your post before. Still in process to discover where the wiring is going along. Will report what i found out. 
thinking if it makes sense to install the new fuel filter before i continue with the wiring. A clogged filter can cause this fuse problem too - a Porsche mechanic told me

ekstroemtj Member

ekstroemtj

Posted
Posted

 

Codes solved

Just want to report the current situation

- i have changed pump driver side / codes remain
- i have changed the fuel filter / codes gone.

tank fuel with 60 liters. Fuses ok. Car runs. No codes.

just a very high fuel consumption on the display.

what could it be?

O2 sensors

mass air flow sensors


thank you
  • 4 weeks later...
ekstroemtj Member

ekstroemtj

Posted
Posted

Just want to report the end of the story. Replacing the fuel pump didn’t change anything. Only after getting a new fuel filter the codes disappeared. No more blowing fuses. Everything ok. Car passed the emission test.  Very happy. Actually not very difficult this job. Lots of DIY reports everywhere.  Just it’s a mess to work inside a fuel tank. Thank you for following and supporting 

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