Trying to figure out whats wrong with the gas guage on my 1992 Ford Ranger. When you start the truck the gas hand goes all the way up past the full mark and then slowly comes back down. It usually takes about 20 minutes for the hand to come back down. I've been told to just unplug the sending unit and plug it back in, bad ground, the gauge has gone bad, etc. Just looking for someone with knowledge of the Ford Rangers or someone who has had this problem and knows what it is to let me know. Thank you.
Most likely the sending unit is bad in the fuel tank. The easiest way to get to it is to remove the bed. Taking the tank off is quite a chore. You can unplug the tail light harness and the license plate lights& take the 6 bolts out of the bed and 2 good men can lift the bed off. The fuel tank will be in full view. Take the sending unit out of the tank by unhooking the fuel lines, wiring plug and turn the lock ring counter clockwise and lift the fuel pump and sending unit out of the tank and replace it. Reinstall it and check to see if it is working before you put the bed back on. I hope this is helpful.
SOURCE: 1966 Ford Mustang Gas Guage not working
I had a similar problem. In my 1966 Mustang gas tank, the fuel pick-up was on a "float." My float developed a hole, filled with gasoline, and sank to the bottom of the tank, therefore, the gauge always read empty, but the car ran well. All the other gauges of course worked correctly. The repair was a relatively simple soldering job (after removing the float from the tank), but if that is indeed the problem, ensure all the gasoline is drained from the float before beginning the soldering job.
SOURCE: Fuel Guage Goes To Full
if you have pulled the sending unit wire from the sending unit the gage in the dash is bad .
SOURCE: 2000 ford ranger gas gauge stuck on full on or
Welcome to FIxYa.com Engine size please? Thank you for using FixYa.com Regards, Lee Davidian
that is not an isolated problem just with fords but all the info that you listed is a great place to start, and as well the sending unit may be bad, so start trying some of the easer things to start.
id go ahead and just replace it it should fix it right off the bat but if that dont work it might be a inslation problame wire touches metal gauge goes to nothing
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