Question about 2001 Isuzu Rodeo
Low fuel level light is flashing, and the gauge reads empty
You need to locate the connector near the fuel tank (wires),
With a test light connected to ground , probe points in the connector.
simultaneously check if the gauge inside moves, if so the problem is in the tank. either a faulty level sensor or a hole in the float.you may have to replace the sensor unit.
Posted on Apr 02, 2014
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Posted on Jan 02, 2017
SOURCE: wrong reading on fuel gauge
Normally this problem is due to a bad sending unit. The sending unit is the actual device which transmits the level of fuel in the tank to your fuel gauge. The most common cause is a stuck float. The device works by means of a flotation device, often made of a petroleum resistant plastic encasing a foam or cork "float, " which is attached to a light weight metal arm. The arm moves as the float raises and lowers with the level of fuel. This arm connects to a switch which increases and decreases resistance in the circuit. If the arm is stuck or if the float is allowing fuel in it you will get an inaccurate reading. A "logged" float (one filled with fuel) usually reads below the level, whereas an arm which is sticking will read above the level. Now, if the gauge has been reading this way since the car was brand new, the other likely cause is that the needle may have been improperly placed on the gauge at the factory, or the windings in the gauge may be under or over wound causing the inaccurate reading. If you are mechanically inclined you may be able to replace the sending unit yourself. Keep in mind this can be a dangerous procedure for a first time mechanic as it may involve removing the fuel tank from the vehicle. Some vehicles offer access to the upper portion of the fuel tank via an opening located in the trunk under the trunk mat/carpet or under the back seat. If this is the case removal of the fuel tank is not normally necessary, but you will still be working with the fuel tank. If you are able to do this procedure in the vehicle, keep in mind you will first want to disconnect power to the fuel pump and sending unit. You can disconnect the negative battery cable, but I believe on an the kadette you will need to obtain a special cable from your local auto part supply to maintain power to the ECU or PCM to prevent damage to the computer or loss of programming. At the very least remove the fuel pump relay and disconnect any fuse/relay related to the dash gauges prior to beginning this operation. Also be sure to remove the fuse for any possible ignition source inside your vehicle, such as dome and courtesy lights. Keep cell phones away from the work area as well. If you use a "trouble light" be sure it is marked as safe for use near fuel fumes. Keep doors or windows of the vehicle open to allow vapors to escape so you don't suffer any ill effects and to further reduce ignition hazards. If you must remove the fuel tank, practice good safety. Do not be under the tank at any time. Be sure to remove it with very little fuel in it. Go slowly and be sure you don't break any wires or lines. It is a very involved process and may be best left to a certified mechanic or at least one who is very experienced. Keep me posted and let me know if this helps!
Posted on Feb 01, 2009
the float in your gas tank seems to have water in it....water is heavier than gas, that's why gas floats on top of water....try putting something like HEAT in it to dry up the water in your tank....
Posted on Feb 03, 2009
Usually if the gas gage does not work yes it is true it may be the sensor if it is electronicly controlled. the sncor will more than likley be in the tank. here is how to remove your gas tank.
Fuel pump assembly mounting
Posted on Apr 16, 2009
Your code is PO462. Isuzus made 99-01 with bad fuel level sensors as well as bad fuel pumps located inside your gas tank. You can just replace the sensor but i advice you to replace the whole "fuel pump assembly" to prevent another problem. At a shop this is a costly job they will charge 500$. But if you have faith you can do it your self..it is fairly easy to replace if you have a friend to help even better. but will need to erase the code before or after doing the job to prevent the same symptoms. Buy a "Fuel pump Assembly kit" with and a gasket (around190$).Remember always do a job carefully to prevent braking anything. Raise your car, locate your gas tank unbolt the 4 bolts holding it, disconnect any sensors, there should be 2 other bolts holding the tank once down, you can see the assembly with hoses disconnect too. and pull the assembly out itwill be tight, now replace with new gasket and assembly kit press down firmly till it locks in. now connect everything the way you took out. Its actually easy...here is a pic of the whole assembly kit.....GOOD LUCK
Posted on Apr 29, 2009
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