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Re: fuel evaporating from fuel tank
You need a plush cas cap some gas caps will allow gas to escape and the otherwill allow gas fumes to stay in. Just go to a part stor and ask for the one that will not valve fumes out put keep it in.K thank you.
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Since you've cleverly already done the normal tune-up items that preserve the 96 Accord's good fuel economy, its time to move onto the tougher adventures.
Cars with outrageously bad fuel consumption are losing fuel somehow (aka leaking). (a) There's a fuel tank drain plug on the bottom of the fuel tank (used to drain tank for service) - make sure its tight and that the tank isn't leaking fuel there. (b) check your fuel lines - there are 2 (one supplies fuel to the engine, and the other returns excess to the tank). If either is leaking, your car will lose petrol quickly. (c) the evaporative fuel canister - instead of absorbing vapours, it may be full of fuel and leaking.. (d) check your fuel rail - its pressurized with fuel while the car is running - it may be leaking - and if it is: (1) the top of your engine will soon catch fire (2) the fuel may be evaporating as soon as it leaks, since the top of the engine gets so hot.
Use a fuel pressure gauge to test the fuel pressure in your 96 Accord's fuel rail - attach your (with an appropriate (brass) adapter) to where the banjo bolt enters the top of the fuel filter - as described in this passage from the Honda repair manual:
From the 1996 Honda Accord repair manual: Note that this part of the Honda manual fails to mention that before you disconnect the negative terminal of the battery, you must note (and write down) the 3-digit radio lock code --- begin excerpt ---
The Fuel System Pressure Specification
38-46 PSI (Pounds per Square Inch)Remove the ground cable from the
negative battery post and also remove the fuel tank filler cap.
Slowly release system pressure at the fuel filter and cleanup spilled
fuel. Remove the Banjo bolt and install a fuel pressure test gauge.
Reconnect the battery ground cable and proceed to start the engine and
allow the system pressure to stabilize. While the engine is at idle,
block off/pinch the number (1) vacuum line to the fuel pressure regulator
and visually verify the fuel pressure reading on the test gauge. --- end excerpt from 1996 Honda Accord repair guide ---
(e) possible leaking fuel pressure regulator - located at back of top side of engine, and looks like an enlarged fuel filter - with hose clamps on either end clamping the fuel line. Retighten its bolts to 12 Nm (9 ft-lbs) when done checking it (for leakage).
(f) to move on from fuel - if you're getting only partial ignition, your fuel economy will suffer too - but you'll smell alot of unburned fuel in your exhaust (and get alot of backfiring). Use your HEI (high energy ignition) tester to rule out ignition (spark) problems.
temp sensors, lambda/oxygen sensor/ reading wrong temp -
they would both increasse fuel consumption - have the diagnostics checked at garage.
Air filter, it it clogged or really dirty?
Tyre pressures - make sure they are upto reccomended pressure,
(extra pressure reduces rolling resistance and increases fuel economy but at the cost of grip...)
That is an emmission device contolled by computer.System is comprised of a charcoal canister designed to trap fuel vapors. This canister is then purged during engine operation. One very possible item with can cause evaporative canister codes is a loose or missing fuel cap which needs to seal the fuel tank properly for proper vent and purge operation.The check valve in the cap can as well cause trouble codes.Make sure your fuel cap is the vented style if its ever been replaced.If this doesnt sound like the issues you are having,please further elaborate on the trouble code or discrcription you are giving as I'm unaware of other evaporation codes pertaining to this carline but willing to investigate for you.
Have u checked to make sure that the fuel filter isn't plugged, and it could be possible that the fuel pump is bad -being cracked or haveing a bad seal in it allowing fuel to leak back in the gas tank, as soon as your fuel pump warms up the leak would expand dropping your power
hi it was a part of (EVAP) system Evaporative emission control system this system pull up the fuel vapor from fuel tank and send it to the engine to burn it this system work to low emission ,fuel tank vent and economy of the fuel vapor this system have a parts 1-canister purge valve 2-vent control valve 3-vent valve 4-pressure sensor 5-hoses and pipes connections with my best wishes