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Gas cap very hard to get off

Have replaced cap twice with OE GM caps

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  • Cars & Trucks Master
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If the cap is hard to remove I suspect that there is too great a vacuum in the tank. run a fault code check and look for canister solenoid/ purge valve fault.

Posted on Apr 21, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Shouldibuyit
  • 44 Answers

SOURCE: smelling gas when just filled up tank on Ford Focus 2000

Now, in the past year, when I fill the gas tank, I can smell gas fumes inside the car (remember, it's a wagon).
I have a lot of customers that run into this problem and get the same answers from the dealers.
Given the age of the car and that it has been in a accident, here is what I would look for first.
1. First, because of the accident I would look to see if all the work was performed properly around the gas tank. Check the filler neck to make sure that all hoses and clamps are tight and in good shape, if cracked or it has any bad spots in it, replace it. The tech. that repaired the car could have missed something by accident; this is always a good place to start with by double-checking the work that was done.
2. I've had the Fuel Pump replaced twice due to recall. Another possibility, when they installed the fuel pump they may not have put the seal in right or it could have slipped. There is usually a rubber ring that goes between the tank and the pump and it might have moved during installation. When you fill the tank to the top it may come out because the seal slipped out of position.
3. I'm not sure on this model but on a lot of the newer cars they have been mounting the charcoal canister in the quarter panel next to the fuel neck but it may be hidden behind a plastic cover. The charcoal canister may have been damaged from the accident or it could just be defective and when you fill the tank up it may be going into the canister and fumes are coming from it or gas may be leaking out of it.
4. I have found that some of my customers have been over filling the tank trying to put as much as they can squeeze into the tank, this is not a good idea. When it gets hot outside, the gas expands and has no where to go except into the canister or lines of the canister, this system is not meant to handle gas, it is only meant to handle fumes. You will smell gas if you try to over fill the tank. When you fill it at the station you should let it click off. Just try rounding it off to the fifty cent mark, (example: $10.03 only go to $10.50 not $11.00) this will help you to keep from over filling the tank and neck of the tank. Over filling the tank can clause damage to the canister and components in this emission system.
These are things that the average person with some mechanical knowledge can check out on their own. After this point, it will usually have to be looked into by a fully qualified tech. with good trouble shooting skills that can follow the flowcharts to find the problem.

Posted on Oct 28, 2008

  • 651 Answers

SOURCE: gas cap release button is broken on 2004 kia optima

if you can some how manage to get it opened, spray some lubracant on the button inside the door. if not you'll need to replace the release cable.

Posted on Dec 01, 2008

Monster80
  • 460 Answers

SOURCE: 2006 caravan odomiter says gas cap

On the gas cap itself theres a rubber o-ring.If thats quashed in any way you'll need to replace it.Sometimes takink the o-ring off and putting it back on fixes the problem.Its a very common problem ans is not that expensive to fix..The reason the code keeps coming back is because its a pressurize system and if theres a leak in the system it will throw the light in the dash..

Posted on Mar 30, 2009

  • 23 Answers

SOURCE: I replaced gas cap after error was displayed check gas cap

tahe off your gas cap and clean the rim of the cap and the filler neck it worked for me

Posted on May 12, 2009

  • 68 Answers

SOURCE: Engine light is on

try disconecting both battery terminals and touch them together leave them unhooked for ten minutes or so that is one way to reset the computer

Posted on May 23, 2009

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