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Fuel pump in 86 brat
Posted 12 December 2005 - 01:44 AM
My fuel pump changes in tone before (and presumably during and after-I just can't hear it) I start my 86 brat.
Is this a sign that the fuel pump is ready to go?
I also have the pump wired through my cigarette lighter currently(I know there's no safety shut off with that set-up). Might this have anything to do with the vehicle having trouble starting?
Posted 12 December 2005 - 05:38 AM
Hard starting issues would be more related to carb or ignition issues, than fuel pump, as the float bowl has fuel in it and pump isn't really required to start engine.
Posted 12 December 2005 - 06:53 AM
BTW: if you have cold start issues but it runs fine when warm I would be looking at Choke settings, unless they are semi-auto. ie: you put choke on, (pull it out), and it 'jumps' in by itself when a predetermined temp is reached? If it is full auto, (thermal bi-metallic strip), then set the choke at full cold to about 75% closed. Note that when you start a cold Engine on full choke it should not 'choke' itself, (ie chug and blow smoke), if it does the 'fast idle linkage may need adjusting, (this is done by bending the arm that goes to the throttle plate on the primary side to the choke butterfly plate.).
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