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Starting when hot

S

stephenbailey

New member
Hi Guys
Currently running the 2006 Cayman S (49K miles)
Just recently when ive been out for a run, when going back to the car and re-starting the engine while its still hot (or at least not had time to cool down fully) ive found that it is struggling to start.
The engine turns over fine and it will fire eventually (although ive got to press the gas pedal a fair bit) and then it will either:
:- revs drop and cut out
:- or start and run rough for several miles until given a good "blow out"
Its as though the engine is gasping for fuel as there is plenty of spark there

I never touch the gas pedal when starting, although this is the only way to get it going at the moment, and this is only when its hot and it only happens on the odd occasion
Otherwise the car runs superb
Ive recently had the oil changed to Millers Nano-Drive 10W50 NT which i believe to be a "thicker" oil- would this effect it ?
On the very rare occasion i have smelt Fuel ?
I fill up with the same fuel (97 ron) every time

Any assistance or help would be much appreciated

(And must say, the Evo Triangle yesterday was "Superb" !!!!)

Cheers

Steve


2006 Cayman S
Lancs
 
Steve,

It sounds like a fuel-related problem. It's been hot today so perhaps you've got a vapour lock in the system? Have you tried removing the fuel filler cap when it happens to see what happens?

I think that a faulty crank position sensor can sometimes lead to starting problems, but then you'd think that it would cause poor starting when the engine was cold too. It would be helpful if you can some diagnostics on the engine to see if any fault codes are getting thrown up.

Jeff

 
Many thanks Jeff

Next time it happens I will remove the cap and see what happens

I think because it has only just started to happen and it's only every now & then I may just see how things go

Now the weather is warming up if it starts to become more frequent I'll get it rigged up to the diagnostic

Thanks again for you guidance

Cheers

Steve

2006 Cayman S

Lancs

 
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