No fuel on 86 4kq

[Huw Powell]

>> I would assume that the next step would be to check voltage at the
>> pump.  What is the proper procedure for this?  If there is voltage
>> then can i assume that the pump is bad or is there somthing else to
>> check?  If the pump is bad is it difficult to replace?


> Pull the fuel tray, it's behind the driver's side rear wheel well.

Or get to its connectors under the back seat...

> Test the wires to the pump for 12V with a multimeter when the key is
> in the run position. 

The fuel pump only gets power while the engine is running - the relay 
turns it off if there are no coil pulses (the reason it often runs a few 
seconds at "turn on" is due to a spurious coil pulse at that time)

> If ya need any more help just email, it's not
> hard once you see where all the fuel pump stuff is.  My 4KQ has been
> savaged by NY winters so the fuel tray was just attached with zip
> ties!

They can be an amazing mess down there, yes... although I'm glad our 
fuel pumps aren't in the tank, I wish the filters were under the hood.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/