Question about 1993 Hyundai Scoupe
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Posted on Jan 02, 2017
The fuel gauge utilizes a voltage stabilizer located on the back of the instrument cluster. if it's faulty it could cause this problem. The other causes are a wire fault (short) between the gauge and the tank sending unit and the sending unit itself being corroded and stuck in the full position (the float assembly that is). One way to quickly isolate (and maybe eliminate) the problem is to get a used cluster from a wrecking yard and swap it out. If it works normally, there you go... if not you will need to access the tank sending unit (this usually, but not always, involves draining and dropping the tank to get to it. Some cars have an access panel in the body over the fuel tank for this purpose... look under the carpeting in the rear of the vehicle) Once you have access disconnect the power wire (usually red or with a red stripe), and with the key on, the gauge should drop to empty. If it doesn't, the problem is not the sending unit. Hope this helps...;-)
Posted on Apr 14, 2009
Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.
Posted on Oct 04, 2009
The fuel level sensor is bad, you can't buy it by itself. it is part of the sending unit. costly part, I would keep check on milage and wait for the fuel pump to go out then have it all replaced.because the fuel pump is part of the unit too.
Posted on Nov 17, 2010
SOURCE: 2002 elantra tempature gauge not
There are several things that can make those two guages not work, including a defective instrument cluster. Electrical diagnosis needs to be performed to locate the cause of the failure.
Posted on May 21, 2011
Turn the ignition on and off several times before inspecting the gas tank because a blown fuse is the usual cause for fuel gauge malfunctioning. If the gauge remains motionless, check your fuse box and determine the fuse's location using your service manual.
Replace the fuse if the link is broken or damaged. Then, inspect the gauge's wire connections for cleanliness and make sure the wires are connected.
Turn the ignition switch to the "off" position. Attach one end of a jumper cable to the fuel-gauge terminal behind the gauge itself. Attach the other end to the ignition terminal.
Replace the sender unit in the gas tank if the gauge reads full and your car does not have a full tank. Replace the fuel gauge if the needle remains inoperative.
Posted on Jun 12, 2011
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It is possible for the Speedometer and Tac gauge not to work but will not affect the way the transmission works. If the problem is in the interment cluster the transmission can still receive the input from the speed sensor. Does the check engine light come on? If the transmission isn't receiving the signal the check engine light will come on and set code. If the check engine light isn't coming on or doesn't set code for speed sensor signal you problem is more likely to be in the interment cluster. The RPM would be the same.
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