I Smell Gas Help
 

Ok so when you park the truck you can smell gas by the fuel fill door area, and after a wile you can smell it on the driver side. The smell is defently coming from the tank area. And now it takes a wile to biuld up fuel pressure to start. i have looked and can't find any fuel leaks anywhere. i need to do some welding on the exaugst soon so i need to get this fixed soon. any ideas on where it's coming from

Thank you everybody

-Tom

maybe you need to look at your fuel pump.

The connection between my filler pipe and the tank leaked on mine....only a little while I was filling, but I could smell it after I was done....may want to check this as you are filling.

The same thing happened on my 93 V6 pickup. It turned out to be the fuel line that comes out of the tank on the top. Its a common problem because road grime and water lay up in there. You can drop the tank or lift the box. Any radiator shop will rebuild with new lines coming from the fuel pump.

i can smell it any time. and i have looked when filling i haven't noticed a leak then. is my next step dropping the tank? man i don't want to do that and if i plan on dropping it what parts should i have on hand so i can minimize downtime on my dd

-Tom

Just did mine. Turned out to be the actual tank leaking from the side seam. Replaced the tank, the gaskets, and the cap with hard lines and the hardlines them selves. took about 4 hours. Oh yeah, make sure you have a helper. Getting that thing back in can be a HUGE PAIN IN THE ARS!! Thats how I broke my hard lines. Good luck.

Cheers Eh!!

K.C.

Be prepaired to buy a new sending unit. The lines coming out will rot and when you drop the tank they will break. Be very carefull and you may get away with it.

where did you find a new sending unit so far i havent been able to locate one o and about what did you pay

Thanks
Tom

Sending unit is dealer only. I think I paid around $200 for it. ya sucks bigtime.

IMHO - its the fuel lines - there's a "U" or 90deg bend there that rusts through.

Reach in a feel around.

Ya gotta drop the tank.
Probably have to replace the pump bracket as well.

Common problem on this era truck/4Runner.

Just had mine redon

ok so i should expect to need
Sending unit $200

Fuel Lines ???

pump bracket ??? is this another dealer only part and if so anybody have the part#

Fuel Filter $20


This seams like a expenceve problem
oye

-Tom

well i see a moist patch of dirt on the passenger side of the gas tank i need to get some money together soon

sorry, i farted...

the fuel cap might be hooped. not sealing properly. are you getting the hissing sound when you remove the cap still?

i'm surprised no one has mentioned either of those yet :D

I don't know about 2nd gen 4 runners but 1st gens you can pull up the carpet under the rear seat and there is a inspection hatch that you can get to the sending unit with out dropping the tank.
may want to check for that.

the cap fits tight but theres no hissing as of late

I have seen the vent line at the cap rust through and the smaller hose just sit there and breathe in and out dust and grime .

take a 2 foot section of hose and a wet shop rag stick the hose into the filler neck then push the wet rage around it to make a seal then blow air into the tank and listen for air leaking. you will find out real quick if the tank is holding pressure.

well i found all the part numbers i think i need and got priceing from www.1sttoyotaparts.com

Pump Bracket
23206 35220 106.16
Pump Bracket Gasket
77169 14010 3.29
Screws for assembly 7x
93381 15010 .69 each
Sending Unit
83320 80136 78.28

where do i get the fuel lines if there rusted?

Thanks

did you find the leak? where was it?

it's somewhere on the top of the tank it's hard to tell, now i have to drop the tank. but before i do that i wana have as many of the parts avalible so it's only down for a day

ok so i now have the money to do this and was thinking wile i've got the tank down should i replace the fuel pump? i have very near 200,000 miles on it.