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Symptoms of a Bad or Failing Instrument Voltage Regulator
Common signs include dim or flickering gauges, inaccurate or erratic readings from the voltage regulator, and an inoperable instrument cluster.
Symptoms of a Bad or Failing Oil Temperature Sensor
If the temperature gauge gives false readings or does not move, you may need to replace the oil temperature sensor.
How Long Does an Oil Temperature Sensor Last?
Oil is vital for engine operation – you can’t drive without it. Trying to run your car’s engine without oil would result in catastrophic damage. However, it’s just as important that the...
3 Essential Things to Know About Your Car’s Temperature Gauge
The temperature gauge in your vehicle is designed to measure the temperature of your engine’s coolant. This gauge will tell you if your engine’s coolant is cold, normal, or overheating. It is an important...
How to Replace a Fuel Gauge Sender
The fuel gauge has a sender that goes bad when it says that the fuel level is different lower or higher than it actually is.
How to Install a Car Volt Amp Gauge
When you think about the number of sensors that your engine has, it seems like there is an endless amount of gauges that can be installed to monitor their readings. Some of...
How to Monitor Your RPM Gauge to Get the Best Performance Out of Your Car
A car tachometer, or RPM gauge, shows the speed the engine is spinning. Watch your RPM gauge to improve your car's performance and fuel efficiency.
How to Install a Tachometer in Your Car
A tachometer gauge allows the driver to see the engine's RPM. Some may install tachometers for performance, looks, or to simply monitor engine speed.
How to Replace a Fuel Meter Assembly
The fuel gauge assembly indicates your fuel level. The fuel gauge will no longer work if there is an application of reverse charge or corrosion.
How to Replace an Instrument Voltage Regulator
The instrument cluster has a voltage regulator that fails when the panel is dim or flickering, reads erratically, or is totally inoperable.
How to Buy a Good Quality Tire Pressure Gauge
Keeping an eye on your tire pressure is vital. Low tires wear poorly, and they can have a negative effect on your fuel economy. It also makes them more susceptible to...

Related questions

Question
Temperature gauge maxed out
If the temperature gauge is pegged all the time, the problem is electrical. While the issue could be with the gauge or wiring, the most likely cause is a failed temperature sending unit. The sending unit is located to the...
Question
Lose rpm and hard to start. I have a code p0336 that is read on a scanner.
Hi there. The code for P0336 is referring to the crankshaft position sensor loosing a signal to the computer. I recommend replacing the crankshaft position sensor and it should fix all of your problems. If you need further assistance with...
Question
Instrument cluster acts like there is a short in it.
Hi there. There are ground wires in the dash that need to be checked that are related to the instrument panel. See if the ground wires are tight and free of corrosion. Then check the battery cables for that they...
Question
I installed a new fuel sending unit the gas tank is full and it shows empty when u take all gas out it shows full what could it be
It sounds like you put in an incorrect sending unit or it is defective and needs a replacement. The fuel sending unit will vary resistance from low to high resistance controlling the gauge. If the signal from the sending unit...
Question
Fuel gauge and temperature gauge not working.
The fuel gauge not reading properly may be likely related to your fuel sending unit or the gauge in the dash itself. The sending unit is a small float type component inside your fuel tank that measures the level of...
Question
Gauges on 2002 Jeep from Scotland do not work. It has a red kill switch. How do you remove the kill switch?
Hi there. When you wiggle the wires to the kill switch and the gauges start to work, then the contacts inside the switch could be broken. You could replace the kill switch with a toggle switch that will do the...
Question
My water pump has a slight leak and the temperature gauge fluctuates
Hello, if your coolant system is leaking, air can get into the system and create this issue. Low coolant level, poor air flow across the radiator can do this also. The best thing to do is inspect the system for...
Question
Have a 2000 Jeep grand Cherokee Laredo 4.0. The voltage gauge is not working and it spits and sputters while alternator is hooked up.
Hi there. If the alternator is causing the volt gauge on the dash to stop working, then the polarity on the wires is backwards. Check the power wire to the alternator and make sure that its hooking up to the...
Question
Temperature gauge does not work - 1998 Mercury Grand Marquis
You will need to test the computer to scan for data of the temperature sensor to see if the computer is reading the correct temperature as tested externally on the coolant sensor. If the sensor is not accurate then replace...
Question
Fuel gauge keeps jumping back past the E on the gas reader
Hey, thanks for writing in. There may be two different issues at play here. Your fuel gauge sending unit may be faulty which is what causes the fuel gauge to fluctuate erratically not reading correctly. This is a small...
Question
Fuel gauge issue and weak battery
The fuel gauge issue is a relatively simple concept, but a bit involved in terms of the work to fix it. Your fuel tank has a small float device sending unit inside it that monitors the fuel level inside the...
Question
My 2009 Chevy Aveo LT won't crank over until all the gauge needles jump on to their normal position. What is wrong?
Hi there. There are connectors in the back of the dash gauge cluster in the dashboard. One or all of the harness are loose and causing an issue with the gauges. Remove the dash panel and remove the dash gauge...
Question
Sputtering issues and voltage gauge reading 0 on the dash.
Hi there. Check all of the wiring from the alternator to the battery and power source box (fuse box). Make sure that all of the connections are in the right place and make sure that the wires are not corroded....
Question
What circuit should I tie my new gauges into.
Hi there. If you are adding a new set of stand alone gauges then you need to be particular as to where you are splicing the wiring into. The power supply should be on its own circuit and should not...
Question
Gauges going crazy
This may be related to a short, a faulty instrument cluster or a faulty instrument voltage regulator. The instrument voltage regulator regulates the voltage supplied to the various gauges in your vehicle’s dash. When this is not working properly, this...
Question
My dash lights are not cutting on and my gauges are not moving and the car won't go into gear
Are there any fault lights on when the car is started like the check engine light or red brake light? Often, if the brake switch has a fault the shifter will not come out of park as a safety measure....
Question
I have a 2000 Buick Century and the gas gauge goes up and down
You're guess of the fuel sending unit is a good one. The sending unit is a variable resistor, that changes its internal resistance according to fuel level. This information is then sent as an input to the powertrain control module...
Question
Faulty gas gauge or sending unit?
This is a problem likely related to your fuel tank sending unit. This is a small float type component inside your fuel tank that measures the level of the fuel inside the tank. As the fuel level drops, the float...
Question
How do I fix my fuel gage in my truck?
This is a problem likely related to your fuel tank sending unit.This is a small float type component inside your fuel tank that measures the level of the fuel inside the tank. As the fuel level drops, the float level...
Question
How many miles can I drive on empty?
Every vehicle is a little different when it comes to how many miles you can drive when your low fuel indicator first comes on. The fuel gauge is an estimate of how much fuel you have in your fuel tank....

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