The gas gauge on our '02 Saab 9-5 beater/kids' car randomly reads full or empty but seldom anywhere in between. Happened to me ever since the big pump install. In order to login you must be registered. This trouble code indicates that there is something wrong with the reading from the fuel tank. I haven't googled this yet.
Here are the most common symptoms of P0463: - Unreliable fuel gauge. I still really like this car. Significance of the Fuel Level Sensor in a Saab From Experts of Kalamazoo. Button Ad Available. If you are mechanically inclined and have the right tools, you can replace the fuel gauge sender yourself and save money on the labor expenses. If the fuel gauge sender isn't working, you will get an inaccurate reading on your fuel gauge. Fuel gauges are fairly simple mechanisms. Is the sending unit connected to the fuel pump?
In reply to John Welsh: inadvertently, yes. At that point I was very confused (and still am). So I changed out my fuel pump on my 2001 nb and now the gauge is stuck at a quarter tank. I'm sure there is another likely culprit that doesn't have to do with the fuel pump assembly but I am not that knowledgeable, someone else I'm sure will chime in with other ideas. In reply to xxsportscar: That list of services and repairs is pretty typical of any car with 100k-plus miles, and yes broken springs are a MI thing. 9-5 Fuel Gauge Problem. Join Date: Oct 2021. Tools You'll Need To Diagnose a Malfunctioning Fuel Gauge. When it's operating correctly, the fuel gauge is going to consistently move toward empty until you refill the tank. Placard calls for 35 psi, my gauge says 31. The fuel gauge of your saab 9 3 works on a relatively simple principle. Click for more about PFS Parts... I just went out to the garage to see if there was any change (was hoping it corrected itself), and now I'm even more confused, because the DTE is now 551... How to find the fuel gauge fuse on saab 9 3. As a matter of fact, since I drove about 70 miles today, this DTE makes it seem like I filled up last night or this morning.
Adjustment/replacement. Check your owner's manual for specifics on how to do it. The access in the carpet is mostly pre-cut. The only noteworthy / unusual thing I found was a small rodent nest under the fuel rail. The gauge could suddenly alter its position or supply you with an inaccurate reading. The fuel gauge is stuck on empty when your tank still has fuel. Start with taking a look at the wiring harness first. Saab 9-5 fuel gauge not working on boat. I certainly did not! Your fuel pump may also be worn, overheating, or dirty due to poor quality fuel, for example. To access the fuel gauge, you don't have to remove the seat, just move it forward. I even just went through my recent credit card history, and there's no indication I purchased gas since Feb 26.
In fact the procedure looks very similar to earlier models according to WIS. Now I have never worked on a 2006> 9-5 (pretty rare beast around here), and it is possible that there is a difference between markets anyway, so I cannot talk from personal experience. My wife thinks I stopped and forgot about it, but that isn't the case - unless I'm losing my mind. You then access the fuel pump behind the passenger seat (which you will need to remove for access). Terms of use | Privacy policy. However, you won't have an accurate reading showing how much fuel is in the gas tank. Saab 9-5 fuel gauge not working girl. Do you think I need a new pump or sensor? Did not have the right part for my vehicle. The fuel gauge went to full and so I knew I had a good gauge with continuity to the connector.
I figured also that the float probably wasn't buoyant enough to lift the rod when immersed in gasoline. Adjusting Tachometer Night Panel. Saab 93 radio not working. It is thus open and the current is cut off. Joined: Tue Feb 10, 2015 8:13 pm. When there is more resistance, less current flows. Glad to know that in the coupe the passenger seat doesn't need to be removed. Doesn't bother me enough to track down the bad spot in the original wire.
I started the car, drove maybe a mile, and noticed that it was showing "E" when I had it on Nightpanel. When the trip odometer gets near 300 miles, it's time for gas. Here are some of the most common reasons why fuel level sensors malfunction in Saabs: - The floating internal part of the sensor is broken off. Did the gauge go to full?? System said right rear, but all four checked at 30-31 psi. Different possible causes of the faulty gauge of your saab 9 3. NOT saying that this is your problem. Incorrect fuel gauge reading??? - Electrical, Gauges, Instruments, Lighting, Rear View Mirror. Most of the time, the only symptom is going to be the faulty fuel gauge, but there are exceptions. Have a look driver side, left above your legs, Or even under the radio section, in the middle of your cabin, or under the glove box. Same happened to my M. I ran a bottle of Techron and the gauge works fine again.
The rod attaches directly to the base and contains a rheostat meter to register how much fuel is in your car's tank. If you are in this situation, come see the professionals at Master Mechanics Auto Repair. If that does not work, replace the card. Anyone figure it out? She's just a few miles short of 140k and still going strong. If it overheats, there is a problem. The float rod was rusty along its length and at the pivot points.
The banner above is an advertisment - if it asks you to download software, please ignore. It works on the same principle as the float in your toilet tank. Since you don't want to find yourself stranded because your gas tank is smaller than other vehicles, you need a properly functioning fuel level sensor in your vehicle. If the wiring looks good, you'll need to test the sensor itself. How Does a Fuel Sending Unit Work? Why Fuel Level Sensors Malfunction in a Saab. So in other words I can see where to make the adjustments, but am unable to observe a visible change in the fuel gauge, so don't know if I making things better or worse. It's this little detail that saves! A: We don't recommend it.
I don't know the root cause, sorry, but hopefully that helps your search for a solution. The saabs played the roll of Family car until my wife needed to carry more than 2 kids and we got a van, then Saab became my DD. With the unit out of the vehicle, you can further check to see if it's a problem with the float, the resistor, or something else. Member Login / Signup - Members see fewer ads. Another random item is when you start getting frost on the window in the morning I occasionally get a auto headlight sensor fault warning but that goes away when the window clears up and it works just fine. If you run the check, and the needle circulates through its up and down motions, then the gauge is okay, and you have a problem elsewhere. Our mobile mechanics offer services 7 days a week.
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