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Condensation from headspace air in the gas tank is one source of water in gas tank.
Also beware of contamination at the gas pumps. When I was young I filled my truck at a station when the fuel hauler was delivering gas. That must have stirred all the **** up in that tank, because I only got about ten miles till my fuel filter was plugged solid.
Where is the smell coming from? Under hood? Rear/front of vehicle? It could be a leaky fuel injector... bad gas cap.... leaky fuel line... leaky tank/tank seal... disconnected evap line..... leaky pressure regulator to name a few. Have a pro inspect the fuel system to avoid a dangerous situation
Possible leaky fuel injector/regulator/fuel line. Possible disconnected/loose fuel purge/vent line. Possible leaky fuel filler tube or fuel tank. You will need to have the fuel system/lines inspected to determine source of smell. Not something I would put off as a major leak could develop and spill fuel on hot engine/exhaust causing fire
P0455 is Evaporative Emissions System Leak Detected (Large) and means that there is a large leak in the system probably with one of the EVAP hoses near the fuel tank or EVAP canister or maybe even A leaky purge valve.
code p0455 refers to evaporative emission (EVAP) system--large leak detected.===causes--hose connections--intake leak-- EVAP canister --EVAP canister purge valve. There is a possibility that the filler hose to the tank is loose or cracked and when you filled the tank it is running out of the cracked hose. The same applies to the hoses from the tank to the canister and back from the fuel manifold. I would pay attention to the purge valve as if it is not working then fuel smells become a problem also
No problem!!! Just syphon the tank and refill with gas. try to get as much diesel out as possible, obviously, but a quart or two mixed with the gas won't hurt, as a matter of fact it will act like a fuel system cleaner and lubricator. Beyond two quarts to 16 gallon tank and some egr system damage could occur.
P0440 Fuel tank vapor emission problem. Could be as simple as a leaky gas cap.....or a missing gas cap.
Have you purchased gas and left the engine running as you filled it? That will turn on the light too.
The P0440 is one of the most common codes and pops on the dash of 50% of cars on the road as they get older on a weekly basis. An extremely small vapor leak on the fuel system will pop this code on. Most of the time.....this code cannot be fixed......the answer is to buy a cheap OBD2 code reader and remove the code yourself every time it pops on........and on the 50% of cars with it......it shows up about 2 times a week. When the engine light is on,you will loose 20% of gas mileage and has 20% higher emissions.....so turn it out! Some cars will not go into overdrive with this light on.