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Used Porsche and Prestige Cars For Sale | Harbour Cars

74 911 hot starting problems / fuel starvation

P

pete 1974

New member
Joined
7 Mar 2008
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2
Hi new to this site it looks good, I have a 1974 911 with bosch k-jetronic fuel injection with hot starting problems / fuel starvation. If left for more than 15 mins it won't start, after 3 hours its ok. The only method I know to start the car is to 'bleed the system" by taking the air filter off and turning the starter key on and pushing up the air meter plate. This seem to flood the engine a bit but then it starts. Obviously this is very annoying and not very Porsche like.
Regards
Pete
 
i dont think too many old school 911 owners on here but DDK or early 911 PCGB forum would be the place to ask and get a quick answer
 
Almost certainly fuel accumulator problem or else one way valve in system has failed, thus allowing fuel system to de-pressurise.
Not a problem when cold as cold start system compensates.
It's covered in 101 Projects for your Porsche.
Good luck.
 
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