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Old 09-25-2020, 10:12 AM   #1
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Join Date: May 2014
Location: UK Bukinghamshire
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986 no start

Hi All

Currently my 2.7 Boxster will not start. The car ran out of petrol and also stood for a couple of months so what petrol was left completely evaporated. I did try starting the car forgetting it had no fuel in it and I must have cooked the petrol pump as it was not working when I took it out. I have put new pump in but the car will not start, it cranks over fine, the fuel pump fuse is good and the relay is a new porsche one I have just installed and yes there is now plenty of fuel in the tank. I have checked for codes with icarsoft por v2 and have none. I am thinking maybe I do not have enough fuel pressure but I have cranked the car a few times now so I must have built up the correct pressure. Can anyone think of any other reason the car cranks but will not start. Cheers Neil.

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Old 09-27-2020, 05:38 AM   #2
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Join Date: Aug 2018
Location: Woodland Wa
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Quote:
Originally Posted by MondialNeil View Post
Hi All

Currently my 2.7 Boxster will not start. The car ran out of petrol and also stood for a couple of months so what petrol was left completely evaporated. I did try starting the car forgetting it had no fuel in it and I must have cooked the petrol pump as it was not working when I took it out. I have put new pump in but the car will not start, it cranks over fine, the fuel pump fuse is good and the relay is a new porsche one I have just installed and yes there is now plenty of fuel in the tank. I have checked for codes with icarsoft por v2 and have none. I am thinking maybe I do not have enough fuel pressure but I have cranked the car a few times now so I must have built up the correct pressure. Can anyone think of any other reason the car cranks but will not start. Cheers Neil.
I would do a fuel pressure test at the fuel rail to make sure I had fuel pressure at the injectors.

Nominal fuel pressure engine off 3.8 plus or minus 0.2 bar.
Engine idling 3.3 plus or minus 0.2 bar

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