Question about 1999 Isuzu Rodeo

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1998 Isuzu Rodeo 6V, My Gas Guage does not work...what do I need to do?

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Hello i had the same issue my gas gauge did not work and i had a bad fuel pump ,i ended up replacing my pump and realized the pump has 2 units attached to it one is the sending unit for the gas and the other the gauge level ,i encountered an issue when i swapped out the old pump for my new pump the gauge did not work any more after replacing,so i investigated after ruling out any wiring defect ,i made sure the pump was properly connected in its self the pump has a connector between the sending unit and the gauge level, and after that i realized the bcm, ECM, or vcm how ever its called (the computer) for my vehicle needed to be re-flashed completely for it to see the new pump... i never would have thought the main computer could not end up just detecting it automatically, all 98 and 99 must under go a re-flashing when any fuel pump is disconnected and replaced... hope that helped...

Posted on Sep 18, 2010

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Can it be re-flashed by owner?

Posted on Dec 09, 2012


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Gas guage doen't work

It's probably WATER coming out of the exhaust as that's the result of the engine running...not a problem.

Gas gauge is separate from the pump....usually. It could be a fuse (look in the Owner's Manual for fuse location) or the fuel 'sender' which is what measures the fuel level. This is usually IN the fuel tank. Sorry I don't know where it is on your Rodeo..

Search online - Google it - for fuel sender. Remember, your Rodeo is the same as the Honda Passport for the '94-2002 model years so search under the Passport too.


Mar 14, 2014 | 2000 Isuzu Rodeo

1 Answer

My gas guage is not working right. Ifill it up all the way and it reads full then about a at 3/4 of a tank it goes straight to empty. And when Istart my vehcile my speedometer goes to 30 mph. I can't...

The gastank has a float that overtime gets eaten up by gas so it will take on gas n not float all the way to the top to replace it u have to remove the gastank and the spedo gear or cable could be broken

Jul 14, 2011 | 1998 Isuzu Rodeo

2 Answers

I wanted to know how much gas wil an isuzu rodeo gas tank hold

Not sure what year model you have - but a 2000 Isuzu Rodeo holds 21.1G (79.9L)

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1 Answer



Fig. Accessory serpentine belt routing-3.2L engines (click for zoom)

I hope this helps, remember to rate and comment this answer; good luck.

Nov 17, 2010 | 1998 Isuzu Rodeo

2 Answers

Why my 199 isuzu rodeo gas guage shows blink all time eventhough it is gas tank is full

most common is the tank sender fails. disconnect it and check for dash indication to go away, if it does, replace sending unit.

Sep 12, 2010 | 1999 Isuzu Rodeo

1 Answer

2000 Isuzu Rodeo - the fuel light comes on but it is full of gas - is the sendding unit bad or what might be the problem

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Nov 02, 2009 | 2000 Isuzu Rodeo

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