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i don't know but when mine did that, i left my gas cap loose untill i had it looked at. if not damaged too much, compressed air might pop it back in shape. be very careful and let someone experienced with this look at your vehicle.
When you open the gas cap, you relieve the pressure in the fuel system. Once you replace the cap, this pressure must be reestablished. All vehicles have a fuel system "prime" function that causes the fuel pump to run for about 3-5 seconds after turning the key to bring fuel pressure to the fuel rail. It sounds as though your system isn't getting enough pressure on the first prime, so you must cycle the key twice to get full pressure. It could be a sign of the fuel pump starting to fail.
Night be vapor locked..What's that? It when your gas tank pressure becomes greater than your gas pump...You'll be driving then it just shuts off like running out if gas... Quick fix? Open your gas cap and leave it Lise to get air into your gas tank..Clue if this is the problem...Your car will start immediately. Hints...Listen when you loosen gas cap...Can you hear air sucking back into your gas tank. Cheap fix..Take the smallest drill bit and drill a hole into the center of the gas tank..It also could be a replacement gas cap that someone put on the car..Buy the original cap..What caused the problem to start with? Over filling your gas tankk..Putting that extra 75cent to top it off..Your cars gas tank is designed to burn fumes...When you over fill a tank it sends gasoline down those vapor hoses then into a charcoal canister..Over years if doing this...It gets clogged up then the fumes can't get out the tank...It builds up pressure and becomes greater than your gas pump...Then it shuts off...If you wait long enough....it will start back...This sounds crazy....But this could really be your problem...Next time the car shuts off... loosen gas car...If it starts...BINGO....You have solved your problem... Drill a hole in gas cap or buy another canister... Usually behind the headlights... Some under car..Follow the gas line... Hope this helps you or someone else....Stop over filling your gas tanks...You'll keep this from happening....Tell others
The ck engine light is telling you to have it scanned and it will have a trouble code to indicate where to look for the problem. You may have a Vent valve or purge valve problem, it may just be a coincidence that it happened after filling up.
You may be referring to the lowering of pressure in your fuel tank. As fuel is used, the pressure in the fuel tank drops to prevent vapours in the tank escaping to atmosphere. Ths is to comply with emission standards. The further you drive, the lower the pressure. When you remove the tank cap, air rushes in which makes you think it's coming out.
the fuel filter is "inside" the gas tank. make sure to disconnect battery first, and also open gas cap to relieve pressure before you drop the gas tank. good luck
The tire shake may be a tire that is out of balance or a bad outer tie rod end. The tank has pressure on it and when you take the cap off the pressure is relieved. Try putting the nozzle in not so far in to pump gas.
You didn't state the year or engine size,,,, On the firewall,( passenger side, back of engine compartment, it's round) on fuel injected models, relieve pressure of fuel line before beginning- gas cap off,also must release pressure on fuel injected models- some have pressure release on top of filter, others on fuel rail,this will be a bolt on top of a bolt. Hold the bottom bolt (w/ open end wrench, loosen top bolt w/ 6mm wrench. Cover with rag, so you don't have gas shooting up in your face. Carb models: have 2 filters, one inline in engine compartment, 2nd under car attached to fuel tank. Open gas cap to relieve pressure before starting removal on carb models. countrycurt0
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