When I put gas in it drips heavily underneath , I am thinking where the neck and tank connect but do not know
There is also a pressure relief hose that may be allowing fuel to escape.
SOURCE: 99 taurus p0442, fuel leaking from evap can with full tank of gas
The only way to stop this is to stop the leak.
How the system works is the EVAP monitor which is a program designed to run at a certain time by the computer actually pulls a vacuum on the fuel tank by closing the canister vent solenoid and applying vacuum thru the canister purge valve and then monitors the fuel tank pressure sensor to see if it holds the vacuum. If it detects a gross leak it will set a code P0455 and if it detects a small leak it sets a code P0442.
SOURCE: 2000 Ford Expedition Starting problem
If the fuel gauge drops off when you are driving then its a sending unit problem that means you have to drop the tank and replace the float and sending unit. This is a common problem for alot of cars because of cheap gas. If you have to drop the tank check the fuel pump canster for dirt because of cheap gas. Replace the fuel pump strainer and fuel pump filter. If the car or truck has about 100,000 miles you might want to change the fuel pump at that time also just to cover your back. If you take it to a shop they will charge you at least $900 to start. But if you do it yourself it will cost you about $200 dollars maybe alittle more.
SOURCE: FUEL LEAK
I my friend have a question for you...
Did you top of the fuel tank after your last fill up?
It might be your fuel over flow tube under the bike,
that the smell is coming from.
It is designed to discharge the overflow safely
on the road beneath you...
Check it...Good luck.
SOURCE: Replacing fuel filler neck on 2000 Crown Vic
Good news, no the tank doesn't have to come down. However, there needs to be less than 3/4 tank. Jack it up and set on a jack stand, remove the wheel, four screws housing to pipe, filler pipe sensing hose from filler pipe, screw retaining the cap, four retaining screws from filler pipe, screw from filler pipe retainer, slide into the tank until it can be rotated and pulled out through the fender. lube the tank grommet with clean oil and reverse the removal for install.
SOURCE: Can not fill 2002 Ford Explorer with gasoline.
Did you check the vent tube alongside the filler neck? If it is pinched or blocked with something, just what you describe will happen. The air in the tank needs some way to escape to make room for the gas, and it should be through the vent tube. If it's bent, pinched, blocked, you will have a hard time pumping gas in.
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