Question about 2007 Lincoln MKX AWD
When put fuel in gas tank, its backs up and shuts the pump down like if the tank is full, it takes forever to fill the tank
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Posted on Jan 02, 2017
Fuel tank vent hose damaged, kinked, or bent.
Fuel tank vent valve is defective, plugged with dirt, or damaged.
If the car is driven normally and has never been in an accident, it's probably the valve.
Posted on Oct 21, 2010
This is usually caused by the vent tube on the fuel filler pipe being restricted in someway. If you look under the vehicle at the fuel filler pipe you will see a smaller pipe running down beside it.This is the vent.Make sure that it is not bent or stopped up.
Posted on Jan 29, 2009
SOURCE: When I go to fill
The problem is that your gas tank "pushes back" like it's full even when it isn't and makes the fuel valve click off. Tom and Ray on Car Talk covered this in a 2007 show and I pasted some of their response below:
"RAY: This condition is probably caused by either a blockage in your gasoline vapor recovery lines or a bad refueling control valve.
TOM: Gasoline vaporizes. How do we know that? Well, when gasoline is spilled, you can smell it, right? What you're smelling is vaporized gasoline.
RAY: And in the old days, when you filled up your tank, all the air inside the tank -- the air filled with gasoline vapors -- came whooshing out through the filler hole or through a vent at the top of the gas tank.
TOM: But then people in places like Los Angeles realized they couldn't see the person standing next to them due to smog. And since gasoline vapors contribute to smog, car makers were forced to install devices to capture those vapors.
RAY: So now each car has a vapor recovery unit that collects the gasoline vapors from the tank and then, the next time the car is started, sends them to the engine, where they're combusted. Your vapor recovery system isn't working, Lottie. One possibility is that one of the rubber hoses is blocked or collapsed."
Posted on Jan 28, 2010
Please don't pump the gas pedal. It is doing absolutely nothing. The TPS is a potentiometer and sends info to the ECM.
The fuel tank is underneath the car, between the rear seat and the trunk.
Change the fuel-filter first, then if there is no change then you need to run a test to see what the fuel-line pressure is. If it is below 33psi then you may have a leak, a defective fuel-pump, or fuel regulator.
Posted on Apr 25, 2010
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