I'm trying to find out if this car has a fuel safety shut off in the trunk like most newer cars. Also if I can get to the fuel pump by removing the back seat like most newer cars? I have power at the relay & after relay but can't get to fuel pump yet without removing tank. Hoping to not have to do so... Want to be 100% sure fuel pump is bad before replacing. Fuel pump for this car is $140.00
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Re: Fuel pump is not working.
All you have to do is lift the back seat up to see if access panel is there, if not then you have to drop the tank. Fuel switch if it has one would be located on the back qtr panels in the trunk, move the plastic panels or rug from the side panels. More than likely if there is one it would be on the left. If not then connect a fuel pressure gauge to the fuel rail and turn the switch to on or try to get someone to crank the car, read the guage. Pressure should be around 40 psi. If no pressure then eather the connecters to the pump is loose or the pump is bad. In that situation if there is no access panel under the back seat, then you have to remove the tank.
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Any chance you are so low on gas that the incline is causing fuel starvation? Another possibility is that the roll over switch was triggered and the fuel pump got shut off as a safety measure. There is usually a reset switch for that, often in the trunk area.
This can be caused by a plugged fuel line, a bad fuel pump or in rare instances a failed fuel pressure regulator. If this is a newer vehicle, check the ECU for codes. Also with some vehicles, running out of gas will trip a fuel pressure safety sensor that will have to be temporaily bypassed to make the fuel pump wok properly again.
the fuel relay is under the hood check and see if you have a fuel safety shut off it normally is located in the trunk normally no the fuel relay will not shut it down only when you turn the car off unless it is bad
There is an emergency fuel pump safety shutoff in case of an accident that will automatically shut fuel pump off so fuel does not keep pumping out at the scene of a crash. The reset button is usually in the trunk depending on what vehicle you have. Your manual will identify location for you.
It seems there may be a shut off switch or you may have pulled a fuel pump connection loose while changing the starter. Some cars have a emergancy shut off to fuel in case of collisions, mine have mostly been in the trunk. research emergency fuel cut off for your make and model and research no fuel for same.
The ignition module sends a "pip" signal to turn on the fuel pump and keep it running. If the signal is lost, or not present you get no pump. This is a safety in case of accident or other hazard in order to shut off the fuel so it wont keep pumping into a car with the key still on but engine disabled for some reason. Take the module to your local parts store and have it tested, for free to check.
There is a starter relay that will cut fuel of if the vehicle is not getting spark. Do you have spark at the plugs? If so there is also a fuel cut off relay that is in the trunk of car. You just have to push this to reset it. The one in the trunk is for safety and is pretty common for it to shut fuel off because it thinks the car has been in an accident. I would start with the trunk relay first because I have seen them activate at wierd times( big hills, bumpy roads, and hitting curbs).