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Struggle to start after sitting overnight?

SL/E 82

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Hi guys I’ve read lots of similar problems but not the same as this.
When car has sat overnight or all day at work it’s like it struggles to get fuel for a second or two. Cranks over and fires fine but just seem like it’s not getting enough fuel. Once it gets fuel it’s as normal and it’s fine if it’s only been turned off to go into shops or whatever, it’s just after it has sat for like hours. I’ve just replaced fuel filter and hasn’t made any difference it’s exactly the same.
I’ve got an envious customs scanner just need to get a laptop.
Thanks
Adam
 

SL/E 82

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Am going to clean maf next then do o2 sensors. It also takes awhile till it really wants to go. Like waiting for secondary’s to open up in a carb lol
 

SL/E 82

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Sorry car is a series 1 vy ss
 

Lex

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Hi guys I’ve read lots of similar problems but not the same as this.
When car has sat overnight or all day at work it’s like it struggles to get fuel for a second or two. Cranks over and fires fine but just seem like it’s not getting enough fuel. Once it gets fuel it’s as normal and it’s fine if it’s only been turned off to go into shops or whatever, it’s just after it has sat for like hours. I’ve just replaced fuel filter and hasn’t made any difference it’s exactly the same.
I’ve got an envious customs scanner just need to get a laptop.
Thanks
Adam
Sounds like the fuel pump?

My vt v6 was the same when l first got it. Replaced the fuel pump & was fine after that.
 

gluten3

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Sounds like the fuel rail is draining. Possibilities are fuel pressure regulator, fuel pump, or an injector.
 
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SL/E 82

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Thanks guys I suspected fuel pump but the taking awhile for it to rev out is making me think maybe an injector. It won’t spin the wheels in the dry and my mates v6 feels about as powerful as my ss.
 
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