First, it's important to know whether the tank is full. If it is, then
you've got a fuel gauge accuracy issue. If not, then you need to find out
why it's not accepting fuel. One possibility is as suggested above, the
pump you're using. But, if you've been using different pumps with the
same result, then your tank is not venting properly.
Hi all,
Thanks for the replies. I tried different gas stations and the problem
remains.
As suggested, I even tried pumping in slowly from the nozzle, but that
didn't help either.
How do I rectify if the tank is not venting properly?
Thanks
> First, it's important to know whether the tank is full. If it is, then
> you've got a fuel gauge accuracy issue. If not, then you need to find out
> why it's not accepting fuel. One possibility is as suggested above, the
> pump you're using. But, if you've been using different pumps with the
> same result, then your tank is not venting properly.
Guncho - 27 Jun 2006 16:03 GMT
> Hi all,
>
[quoted text clipped - 5 lines]
>
> How do I rectify if the tank is not venting properly?
If you're sure your tank is not full then I think you just did.
Chris
hyundaitech - 27 Jun 2006 17:35 GMT
You'll need to find where the blockage is.
There's a "rollover" valve in the top of the fuel tank that closes in the
event of vehicle rollover to prevent fuel leakage. If that sticks shut,
your tank won't vent.
The vapors go through the charcoal canister. If the canister is clogged
or the hoses to it are crimped, the system cannot vent.
There's a valve on the end of the canister (canister close valve) which
closes for system testing. If it sticks shut, the system cannot vent.
I believe there's also a filter and/or hose on the end of the canister
close valve which could be restricted or clogged.
At this point, there's no way to resolve the issue without digging in and
finding the cause.
nothermark - 28 Jun 2006 02:31 GMT
>You'll need to find where the blockage is.
>
[quoted text clipped - 13 lines]
>At this point, there's no way to resolve the issue without digging in and
>finding the cause.
Just curious - how would one troubleshoot it? I'm thinking about
putting two or three pounds of air pressure into the filler neck and
seeing what comes out where but there is probably a better way?
hyundaitech - 28 Jun 2006 18:14 GMT
You could try that, but you'd need to be careful. To much pressure can
damage the fuel tank pressure sensor. Two to three psi sounds okay.
Since I have a lift at my disposal, I typically put the car on the lift
and investigate different parts of the system, some by blowing through
them. I don't advise you to do this, by the way. Nasty things in mouth.
Not good, really.