Question about 1990 Isuzu Trooper
Fuel pump not working but when i connect strait to battery it pumps
Posted by Anonymous on
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Posted on Jan 02, 2017
Can you hear a click during that 2 secounds? Thats the relay shutting off the pump just what its suppost to do. The pump does not run contenuosly, if it did it would burn up, thats what the relay is for, it kicks on and off to maintain the correct pressure to engine as needed. It will not turn back on until it resets itself because engine was not running, thats the way there designed.
Posted on Feb 19, 2009
SOURCE: fuel pump relay
The fuel pump relay is located in the relay box under the hood. This box is located near the battery. The fuel pump relay's location is marked on the lid to this relay box. If your lid is missing, it is the relay just outboard of the pink 30 amp Maxi Fuse.
Posted on Mar 02, 2009
If your car is over-heating, chances are it's the water pump or
thermostat. These two parts should be changed out at the same time
because if your pump is old enough to go out then the thermostat is not
Step1 First you'll need to pull out the old water pump. Look in your vehicles owners manual and find the diagram showing what all that stuff under your hood is. locate the water pump (usually underneath alternator running on the same belt) you'll need to take this belt (serpentine or other) off to start pulling the old pump. There should be a tension bar or arm that easily loosens the belt with the right size socket. Step2 Once you've gotten the belt off you can begin to remove the old pump. There should be only a few large bolts holding it in. After you've gotten the old pump out, place the silicone sealer on the new water pump 9around the edges where it meets the gasket. Then apply the sealer to the gasket as well, just use your fingers to spread it on. Now place the new pump with gasket, where the old one was, replace the bolts and be sure not to crank down too tight on the bolts or you might crack the gasket and your pump wont seal. Step3 Now that you've gotten the new pump installed, you'll want to replace the thermostat. the thermostat could be located near the water pump or on the other side of the engine. So once again, refer to the vehicles owners manual and find where the thermostat is. You might need to remove some hoses and/or lines to get to the thermostat, so just be careful not to break/bend/crack or damage anything (the older the vehicle, the better chance of something breaking) Pull the old thermostat and replace it with the new and you're all done. Don't forget to put everything (hoses, lines, nuts'n bolts) back where they came from and off you go!
Posted on Mar 20, 2009
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