Rob13 Posted July 27, 2022 Report Share Posted July 27, 2022 Hi 2004 2.7 27.000 miles been standing during pandemic now cranks but not starting ,think it's fuel related any ideas most welcome . Quote Link to comment Share on other sites More sharing options...
Andy Mac Posted July 27, 2022 Report Share Posted July 27, 2022 Hi @Rob13 - I had similar on my 996 (zillion miles on it turned out to be dead fuel pump) - cranked but didn’t fire. Common causes of crank but no fire seem to be throttle position sensor (sometimes indicated by the Rev counter needle bouncing as you try and crank) or fuel pump / pump relay. Mine turned out to be a dead fuel pump. You should be able to hear the pump prime when you first turn the car on. I couldn’t so followed the below steps as such. You can make a jumper wire up (plenty of tech articles on web have the details) to bypass the the fuel pump relay. With the relay bypassed the pump should just run with ignition on. If it does - happy days - it’s your pump relay. Mine didn't - so as a sanity check I applied power direct to the pump (battery - put the car on ignition point 1 before removal as not to stuff the alarm up - and battery tray removed and then power to the pump via the connectors using the car battery - my pump still wouldn’t run) - ie a good way to establish pump or relay before dismantling things. Top of fuel sender and pump connectors below battery tray: With connector removed: Pump out and tested: And after a clean up once I popped the new pump in: Excuse fast typed ramblings - May give you an initial steer / or at least rule the pump / in / out….. Plenty of 986 / 996 crank but no start threads out there to give you a flavour - good luck. 1 2 Quote Link to comment Share on other sites More sharing options...
Bradders59 Posted July 27, 2022 Report Share Posted July 27, 2022 If it stood for a couple of years the fuel will be very stale. If your lucky, draining it and putting fresh fuel in might work. May need the whole fuel system cleaning through from pump to injectors. Quote Link to comment Share on other sites More sharing options...
jonogt6 Posted July 27, 2022 Report Share Posted July 27, 2022 (edited) 5 hours ago, Rob13 said: Hi 2004 2.7 27.000 miles been standing during pandemic now cranks but not starting ,think it's fuel related any ideas most welcome . I has a similar situation with mine several months ago....went from starting perfectly one day to not firing the next. Turned out the MAf sensor had completely failed. Easy to test...just unplug it and see if it starts. Edited July 27, 2022 by jonogt6 1 Quote Link to comment Share on other sites More sharing options...
Rob13 Posted July 28, 2022 Author Report Share Posted July 28, 2022 Many thanks for all your advice ,pump primes when ignition turned on but will follow up all the advice given. Rob 1 Quote Link to comment Share on other sites More sharing options...
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