fuel gauge fault

[bowie]

hello does anybody know if a corsa 1.0 gls ,has a sender unit,or does it have a fuel pump with the sender built in.my problem is the fuel gauge reads full all the times when you switching off it goes down but when you switching on it reads full when it is not as i have ran out of petrol once,is this a sender unit fault or a voltage regulator fault behind the dash,also do you get to it from under the car or under the back seat the sender unit how do i check it.

cheers john

[kona1991]

i have a 1.0 gls aswell...

i dont know the answer to your question but i do think the float or sumink is f**k up in my car...

as my fuel guage varys with the speed i drive at lol... the more i boot it the more petrol i appear to have

[Octane2097]

it will be the sender unit in the tank usualy if the voltage regulator had gone you would see the gauge going up and down the harder u accelrate
the voltage regulator for the petrol gauge is actualy on the back of the speedometer

[z3P]

yeah and the sender unit is attached to the fuel pump in the top of your petrol tank.you can get to it by lifting up your rear seat pull the carpet back and ull see a big black round plastic cover remove that and ull see just undo the bolts an liftout. i hate doing them cos i carnt get my hands in after when im trying to refit it so takes me ages im happy now thow cos iv got an external pump underneath

[bowie]

Thankyou for the replies,can you just renew the sender unit,or do you have to buy the whole pump,can you separate both parts?is it easy to fitt ,and how much will it be
thanks bowie

[delta_kid]

yeah my fuel gauge goes crazy all the tym i never no how much fuel i got in it goes up and down n up and down its unreal i must be a vauxhall thing

[eddiemax28]

my SRI is the same lol, my clocks are nackerd anyway but still its just on the corsa`s, i brake hard and i got a full tank and if i pull off hard i got a empy tank lol, u can separat the both and u can buy just the sender unit, i think its something like £15-£20 for VX