Which is Jeep Wrangler YJ sending unit and sensor parts?
We carry the largest selection of Jeep Wrangler YJ sending unit & sensor parts around! If you are looking for OEM Jeep replacement sending unit & sensor parts or want to upgrade your Wrangler YJ sensor parts we have everything that you will need!
How does the coolant sensor work on a jeep wranger?
Coolant temperature sensor test and change for the Jeep Wranger. Coolant Temperature Sensor monitors the temperature of the water in the engine. The PCM uses this temperature reading to adjust the fuel injection and timing. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped.
What can I do with my Jeep Wrangler YJ?
I do repair demonstrations such as how to test various sensors on my Jeep Wrangler YJ. Also included are How to get the check engine light codes, removing a locking gas cap if you lost your key, oil changes, tune-ups, changing sensors, changing clutch, fuel pressure testing and so much more.
We carry the largest selection of Jeep Wrangler YJ sending unit & sensor parts around! If you are looking for OEM Jeep replacement sending unit & sensor parts or want to upgrade your Wrangler YJ sensor parts we have everything that you will need!
What should the temp of the coolant sensor be?
Check that the temperature value of the CTS is around 80-90c when the engine is hot. A lot of engine coolant temperature sensors have two wires and the sensor is controlled by Ohm. Get a wiring diagram and find out what ohms you should have at a specific temperature to check the function.
Why does the temperature gauge not move when the engine is turned on?
If the needle still does not move, either the wire to the gauge is broken (open circuit) or the gauge is faulty. If the gauge reads high when the engine is cold and the ignition is switched on, disconnect the temperature sending unit wire from the sending unit. If the needle drops to a lower reading, the sending unit is faulty.
Where is the coolant wire on a 16 valve engine?
With the ignition on and the engine not running, disconnect the gauge wire (yellow with red stripe) from the sending unit in the coolant outlet on the cylinder head. On 16-valve engines, the sending unit is on the driver’s-side end of the cylinder head. Ground the wire. This simulates a high engine temperature signal to the gauge.
Where is the temp sensor on a jeep?
The one wire sensor in the back sends temp readings to the gauge in the Jeeps dash. If you temp gauge isn’t acting right, replace the one wire. The two wire sensor located in the thermostat housing sends its signal to the PCM. For poor performance issues and testing we are going to look at the two wire up front.
How to change the temp of the coolant sensor?
Also a way to vary the temperature of the sensor. Something like a pan of water on the stove top over low heat. Use a thermometer to measure the water temp as it climbs. Not the water temp as you measure the resistance and compare it to the chart below. See YouTube video at the bottom of the page.
Can a YJ fuel sending unit be faulty?
If your YJ fuel sending unit is faulty, you may not immediately know it. Still, stalling and poor fuel economy could indicate a damaged unit. You may also need to replace your Wrangler YJ OE fuel vapor valve.
When to replace gas line in Jeep Wrangler YJ?
When gas leaks spring up and make a mess of your weekend drive, it may be time for a replacement; with doubly-reinforced hoses and strap kits assembled for easy installation, 4WD.com’s selection is more than up to par.
Do you need to replace fuel tank in Jeep Wrangler?
The Wrangler Fuel Tank Replacements are exceptional quality that is only matched by an exceptional warranty. You need a steady supply of high-quality fuel to get the most out of your machine. As such, you never want to ignore the warning signs of a failing Jeep YJ fuel pump or Jeep YJ fuel lines.