Fuel Sender Unit

[martyyne]

Hi

 

I have a petrol Mk2 2.3 galaxy auto

 

can you tell me please where the fuel sender unit is in the tank,

 

is it part of the fuel pump? and a rough idea of how to remove it / test it.

 

Many thanks

 

Martyn

[seatkid]

The sender and fuel pump are in the fuel tank itself. I believe if you pull the carpet up (around offside passenger) you will find an access hatch. If its anything like the VW golf I had (remember the galaxy is basically a vw design) the the sender is attatched to the pump, but IIRC it was detachable. Also I seem to remember it was an open/exposed wire potentiomter design, and I vaguely recall it had slotted mountings, presumably to allow adjustment.

 

I think also that the fuel gauge can be calibrated electronically using Vagcom (you'll probably need the full version).

 

Remember to disconnect the battery, before going into the fuel tank!!

 

Lastly, if you disconnect the battery, when you reconnect, then on the first start, the gauges will all swing momentarily to full scale as a test feature. Whether this is an auto calibration, I'm not sure.

 

Also remember your radio code is lost when the battery is disconnected, so you will need to have it to recode the radio.

[SilverBeast]

Just a thought. If it does auto calibate when you disconnect battery and reconnect would it be worth just disconnecting battery for 30mins or so then reconnect and see if autocalibration fixes it? It would certainly be easier than getting at the sender and shouldn't do any harm

[seatkid]

It only needs battery disconnecting for less than 30 secs to reset the ecu.