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Magic Mike Magic Mike is offline
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Join Date: Dec 2012
Posts: 11
Fuel Pump vs Crank Position Sensor vs ....

Greetings All,

I have been researching the site for guidance on my fuel supply issue. I recently let my 2001 Porsche Boxster
get very close to empty. Then I did something that I've never done before.......I filled the tank while the car was still running (I know, very stupid). When I went to put it in gear, it simply died. From then on, the engine would turn-over, but would not start.

I later thought that I had successfully jumped the fuel pump relay in an attempt to rule-out a defective fuel pump. When I did not hear the fuel pump turn-on on turning the ignition key, I concluded that it must be a bad fuel pump. I then replaced the fuel pump. The engine again only turned-over, but would not start. The battery is fully-charged.

I re-attempted jumping the fuel pump relay and could then hear the fuel pump come-on, but the engine still would not start. I am now thinking that one of the following might be the culprit:

1) Fuel Pump Relay
2) Crank Position Sensor
3) Fuel Filter

I apologize for posting something that has likely already been covered on this site. If someone could either walk me through this or point me toward the appropriate write-up, I would be eternally grateful.

Best,

Mike
Old 08-09-2013, 02:59 AM
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