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-   -   2004 Boxster S - Doesn’t Start!! (http://986forum.com/forums/showthread.php?t=74631)

Byrnsey2 02-22-2019 01:11 PM

2004 Boxster S - Doesn’t Start!!
 
Hi Everyone

So today my 3.2l, 2004 Boxster S failed to start!
Drove around 40 miles in it no issues. Stopped and a friend house and then the car wouldn’t start. Started chugging for a little bit and cut out.
Called out the AA and they said that it May be the fuel pump and found no amps going to the fuse
so what would people suggest?
Relay? Fuel pump? Please help!

Luckyman01 02-26-2019 07:29 AM

Crank shaft position sensor?

Is she throwing any codes?

Deserion 02-26-2019 08:13 AM

Check all of your fuses first and foremost. Redundant, yes, but best to clear the easiest options first.

If the fuel pump is found to be fault, DO NOT replace it without replacing the sending unit as well - Porsche idiotically integrated the fuel filter into it in 2002. :rolleyes: I had this issue several years ago where I went through 2 brand new OE fuel pumps then discovered my filter was clogged. This, of course, was after having a no-start issue where it would crank (tach moved), but had no fuel at the rail. In that scenario I had also replaced the fuel pump relay.

Turbodad 02-27-2019 02:11 PM

My problem turned out to be a weak "positive" ground in the engine compartment. It was rusty, and if I wiggled the cable and turned the key the engine would start. Disconnect the battery. It is located in a black plastic box next to the power steering reservoir. Use a screw driver to pop the box open and a 14 mm socket to remove and clean the nut.


http://986forum.com/forums/uploads02...1551309027.jpg
http://986forum.com/forums/uploads02...1551309078.jpg

Deserion 02-27-2019 02:38 PM

Thanks for sharing the conclusion. :) I had that cable off recently when replacing the voltage regulator.

Turbodad 02-27-2019 02:51 PM

Not the OP
 
I am not the "original poster" ...just sharing what my problem turned out to be ...

356Guy 02-27-2019 03:09 PM

Fuel pump relay? You can google search to see how to jumper it for testing or pop in a new one and keep the old one for a spare if its still good.

Deserion 02-27-2019 04:50 PM

Quote:

Originally Posted by Turbodad (Post 589852)
I am not the "original poster" ...just sharing what my problem turned out to be ...

It would help if I had read who posted it. Whoops. https://www.vwvortex.com/Anthony/Smilies/redface.gif I’ll just blame it on being on my phone.

Silver' 12-16-2019 03:01 AM

Did this turn out to be a crank angle sensor problem?

Byrnsey2 12-16-2019 04:45 AM

This was the fuel pump on this occasion - £200 for new part.

The car wont start again now, last time it tried to crank but this time not at all now
http://986forum.com/forums/boxster-general-discussions/76834-boxster-s-tiptonic-2004-will-not-start.html#post608267

Turbodad 12-25-2019 04:19 PM

My problem turned out to be a weak "positive" ground in the engine compartment. It was rusty, and if I wiggled the cable and turned the key the engine would start. Disconnect the battery. It is located in a black plastic box next to the power steering reservoir. Use a screw driver to pop the box open and a 14 mm socket to remove and clean the nut.
http://986forum.com/forums/uploads02...1577323134.jpg
http://986forum.com/forums/uploads02...1577323152.jpg

Brian Minson 03-06-2020 07:09 AM

For anyone else having fuel pump problems, here is a video I did on how to test the fuel pump.

https://youtu.be/wEWepuDUes4


Brian :)


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