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Isuzu Trucks

The Japanese company Isuzu Motors is known for producing medium to heavy duty trucks. Some of the Isuzu trucks are the Hombre pickup truck, D-Max, i-280/i-350, NHR (Elf) light truck and CXZ (Giga) heavy truck.

628 Questions

How to improve mpg Isuzu npr?

The pedal clicks when it's down all the way, only hit that when you really need the acceleration. I burned a whole tank on it, and got a difference of about 2 MPG.

If you look on the dash of the Isuzu you should see a switch with an E on it. The E stands for economy. When this switch is on the transmission shifts differently, delivering better fuel economy.

Also with any car or truck. Keep the vehicle in good shape and service it regularly. A clogged air filter will cost you at the pump.

You can also gain 2 to 3 mpg by doing some research on the tires. Buy tires with less rolling resistance and keep the properly inflated.

Lastly if you are running a box style truck as opposed to a flatbed or utility body you can add an air dam on top of the cab to increase mpg. They are available on Ebay. I have a flatbed truck so I can't comment firsthand, but I see them in use on almost every semi truck on the road.

Powerstroke57,

All above is true I would like to add that the air dams that can be purchased and installed on top of the cab do indeed increase mpg of the box style trucks. I know this first hand because talking to the owner/operator of a company which my work does all their service work was saying to me that even thou the addition is costly at approx $700-1500 depending on application it's worth it and pays for them selves within a few months of installation. He had estamated his fleet of 20+ NPR's were getting 5-8 more mpg with the air dam installed!! Seems low but add up the savings for an entire fleet and it's worth it and the only addition to the vehicle that actually showed a big savings and increase in mpg. He had tryed many other things with out the numbers adding up. So it might look funny, might make the cab heavier but is a great investment in increasing mpg. Do it!!

Another thing that wasn't noted above is to use your exhaust brake whenever possiable!! This will not only save on a little fuel but will also save your brakes too.

Where is the fuel filter located on a 1994 Isuzu trooper?

the fuel filter should be inside the engin compartment near the front it is about 6 inches long with a round disk on top for primeing it,

Where is the brake relay for a 1998 Isuzu hombre?

The brake relay switch can be found on the firewall in the engine compartment. The brake relay switch will be on the drivers side of the firewall.

2004 Isuzu NPR oil capacities- Diesel?

For the 4he1-tc diesel motor the service manual lists the crankcase capacity with filter at 13liters (3.4 gallon). I have validated this on my 2002....rick

How do you remove the front ABS tone ring on a Isuzu NPR to replace the rotors?

The ABS tone ring is pressed onto the back of the wheel hub preventing access to the bolts that hold the rotor on. I laid the whole hub and rotor assembly on the ground with the tone ring facing up. With an assistant we pry up on the ring with two 4' pry bars. Then we rotate the pry bar around in different positions prying up as we go along. The ring should slide right off. After replacing the rotors, I put the rings back on with a brass punch and a little anti-seize.

(Powerstroke57 answer) For starters the tone rings don't "just slide off." To get the ring moving takes allot of force. If you want to damage the teeth of the tone ring which can cause an ABS light to come on and now your buying 2 new rings for yourself or the customer do it the above way. A much better and safer way is coming up.

This is what i do every time and i have NEVER had any problems with damaging the ring or the abs light due to damaged teeth. Remove seal and bearing from hub. Using a torch heat ring until you can spin the ring around on the hub using a flat blade screw driver. Using 2 screw drivers under lip of ring push down on both screw drivers and ring will come up and off. With it hot the metal expands and very little force is needed to remove the tone ring. Change the rotor and if your lucky the ring will drop right back on the hub if it's still hot. If it has cooled enough and contracted re-heat until it drops and bottoms out. With it bottomed out spin a few times to confirm its seated. Repack the wheel bearings and by the time your done with the wheel bearing re-pack the ring will have cooled enough to be firmly secured around the hub. Using the screw driver again attempt to spin ring again. If doesn't it has cooled enough if it does spin just wait until you can't spin anymore. With this procedure their is little to no chance of damaging the tone ring. In my shop it's done this way and the only person in our shop that damages NPR tone rings is the new guys that doesn't do this procedure. Do it this way using heat is just fine. The ring will be ok. Good luck!

How many quarts of oil in Isuzu npr 5.2 diesel?

Most recent inquirey is 20.5 L.......maybe.

They hold 13.3qts filter dry......100% correct!! No maybes from this tech.

How do you program keyless entry remote on a Isuzu trooper?

1.Open the driver's door.

2.Insert key into ignition.

3.Turn the ignition switch to the ACC position and then to the LOCK position three times. (This step must be completed within 3 seconds - go as fast as yo can, or the system will not enter the programming mode.)

4.Within 10 seconds, close and open the door two times.

5.Turn the ignition switch to the ACC position and then to the LOCK position three times (again, do this within 3 seconds.)

6.Within 10 seconds, close and open the door. Verify that the power door locks cycle once to confirm that the system is in programming mode.

7.Within 20 seconds, press the LOCK button on the transmitter you are programming. Verify that the door locks cycle once.

8.Within 20 seconds, press the UNLOCK button on the transmitter. Verify that the door locks cycle once to confirm that the system has accepted the transmitter's code.

9.Repeat steps 7 and 8 for each transmitter to be added.

10.Remove key from ignition.

Where is the oil filter located on a 1989 Chevy 4.3L Truck?

in mine it is the very front on the drivers side behind the head light it is not attached to the engine block on mine it was on the bottom of the motor,drivers side.had an extension off the motor that dropped it down and 90 degrees forward.

Where is the fuel filter located on a 1992 Isuzu truck 4 cylinder?

It might be right under the hood of the truck, or it might be right in the middle/ box part of the truck.

How to add Brake fluid on a 2001 Isuzu NPR?

It's on the driver side corner of the dash, open the door and you should find a small cover for it.

Where do you find the freeze plug on an 1989 Isuzu pickup truck?

there is more than one freeze plug. there is about six in the block and a couple in the cylinder head(s) depending on if it is a 4 or 6 cylinder.

Why would a 1990 ISUZU Truck 2.3 with a carburetor idle fine but stall each time you come to a stop and will always start right back up?

Because you have a vacuum leak somewhere in the power brake booster. If you take and plug the hose that goes to your brake booster from the intake manifold the problem will go away. Be carefull, because your braking ability will also be severely compromised. This means that you may have a hard time stoping the vehicle. It is likely that you havea crack in the diaphragm in your booster. I am guesing that you also have a change in idle when you appl the brakes. If this is indeed the problem, you have to change the diaphragm or the whole booster itself.