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Depends on how you get it out.
If possible the tank should be drained and the lines disconected and flushed.
If you can drain or syphon the tank on a modern fuel injected car the system should circulate the bad gas back to the tank in just a minute or two when trying to start the car.
REMEMBER this will not work unless the tank has new good gas in it. The amount of bad gas in the lines should not hurt the new gas as long as you have a Half tank or more of new gas.
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Why are you not getting fuel to the engine of your jeep wrangler?
Bad fuel pump, clogged or broken fuel lines, or if it is fuel injected it could be bad fuel injectors.
Why would the fuel leak out of a 1995 neon when it is parked the tank does not leak.?
AnswerCheck fuel filter and fuel lines and fittingssome of the neons were recalled for bad fuel and brake lines
What causes car to idle rough when hot?
In old Chevy's it was vapor lock, which is the fuel boiling in the fuel lines. You can try to insulate your fuel lines and check fuel pressure..Could also be bad plugs.
What can cause a Jeep Cherokee 1997 to shut down when idling in long lines no overheating coil already replaced After a few minutes it will start again?
check for clogged fuel filter,or bad fuel pump
How come my 1983 Datsun won't idle?
could be a million reasons. ranging from bad fuel, vacuum lines not connected, plugged up fuel filter, bad/dirty carb.
How do you know if the fuel pump needs replacing?
If it has an electric fuel pump you will be able to hear it hum when you turn the car to the run posistion. If you can not hear it hum then its bad. On a mechanical fuel pump you can loosen on of the lines and crank the vehicle. If no fuel comes out the it is bad
When the fuel pump relay goes bad does that slow the flow of fuel to the engine?
If the fuel pump relay goes bad your fuel pump will not get power and you will get no fuel. If your fuel pressure is showing too low your pump is either weak and needs to be replaced, your fuel lines are restricted somewhere ( or possibly leaking ) or your fuel filter needs to be replaced.
Why it Take a long time for my car to accelerate?
When it takes a car a long time to accelerate, the car may need a tune-up. Also, the fuel injectors may need to be cleaned or replaced, or the fuel pump could be going bad, or the fuel pressure is too low.
Bad fuel pump on a 1999 Ford Contour?
If you Pull up your back seat you will have access to the fuel pump and gas tank... have rags ready to catch the fuel that is still in the lines
Why does your car stutter and rough idling?
9 times outta 10 you have a fuel sending issue. your fuel filter or lines are clogged, or your fuel sending unit/pump are going bad
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Why a 1998 camaro will not start lights work but will not start?
Need more info... could be weak batt bad starter.. fuel pump ..bad batt connections. COLD weather frozen fuel lines clogged fuel filter etc....
