Most intake manifolds have a couple of pipe plugs in them. Put the sender in one that isn't needed for anything else.
Take wire off temperature sender look a guage. If guage at cool, temp sender needs replacement. If guage still at hot, temp sender wire shorted to engine or vehicle body.
temp sensor - sends signals to the computer for driveability temp sender - measures temp and sends to gauge in dash
There is usually at least one or two pipe plugs in the intake manifold that can be removed.
only 3 reasons a temp gauge wont work the temp sender is bad the gauge is bad or the wire from temp sender to gauge is broken
1,ooo,000,000,
bad temp sender usually. Bad gauge rarely.
Did you ground the sender wire to see if it is the gauge or the sender? Need more help contact me through my board and I will try to help.
Does anybody know the answer to this question??????? YES I HAVE THE ANSWER...REPLACE THE TEMP GUAGE. ITS NOT AS HARD AS YOU WOULD THINK...ABOUT A 20 MIN. JOB ------------------------------------------------ I tried replacing the temp gauge but that wasn't the problem for me. On top of the engine is a temp sender that is all so easy to get to but it is for the engine computer. The temp sender for the gauge is under the water pump. My temp sender went bad because the water pump started leaking. It is like the engine is headed for a major problem of over heating but it disables the temp sender which warns the driver of over heating. It is not easy to change the temp sender but it is doable if you pull off the thermostat housing. Don't put the old thermostat back in. Also, don't get an aftermarket temp sender, I got one and it reads 3/4 hot all the time. It only cost me $5 but I wish I had have bought from the dealer what ever it cost.
where it the temp sensor sender located on a 2001 gmc Jimmy
195-210
temp sender located
Temp sender on the 289 should be located at the front of the intake manifold. Source: www.AverageJoeResto.com