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Location:
Sydney
Registered:
October 2002
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Fuel problem
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Wed, 18 June 2003 00:22
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I have an AE92 with a 4a-fc in it. I recently replaced the head gasket (head like a banana and gasket blown in 2 places). I put it all back together and now it wont start. I know the timing is right because i got it started on aerostart. I pulled the fuel line between the fuel pump and carby off, but there was no fuel pumping so i replaced the pump. Still nothing pumping out and no air being sucked in through fuel return (new pump rooted?). I pulled the rocker cover off and the arm seems to be hitting the lobe on the can correctly so im stumped. When the car first broke down on me, I had just left my mates farm so could there be a blockage between the tank and the pump? Has anybody else ever had this problem? I miss my car. Help will be much appreciated. Cheers.
~Josh
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Location:
Sydney
Registered:
April 2003
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Re: Fuel problem
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Wed, 18 June 2003 04:09
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Ive not mucked about with carbied 4a's before, but this is a normal trick with datsun engines (carbie, mech fuel pump etc)
If you want to check if hte pump is stuffed, disconnect the fuel line and run a hose from the pump to a jerry can with fuel in it. That will at least tell you if the pump is working or not.
Be careful though - have an extinguisher handy!
If its pumping fuel straight from the jerry, then check the filter, if thats ok check the lines by temporarily replacing the fuel lines with hose to the filter - dont drive it like this though!
If it still wont suck fuel disconnect the line from the tank and use the jerry in its place. If that works then you know its a blocked tank outlet.
basically just keep testing it peice by peice till you find the prob starting at the pump and working to the back of the car.
hope it helps.
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Location:
Sydney
Registered:
October 2002
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Re: Fuel problem
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Wed, 18 June 2003 04:29
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Will do. Now i just gotta find a jerry can. Thanks for your help.
~Josh
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Location:
Sydney
Registered:
April 2003
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Re: Fuel problem
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Wed, 18 June 2003 05:47
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Its a bit of a bush mechanics way of fault finding, but it works. be carefull! have the extinguisher ready!
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