Fuel Gauge

Joe McCann

New member
In my 2003 4runner Sport, the fuel gauge reads empty and the low fuel light illuminated. Fuel tank full or not. I have scanned 500 threads and have found nothing like this discussed. Any ideas on the source of the problem or a fix?
 
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Fuel Guage Indication

I read the two recommended threads and, lacking anything else, I will see what Chevron Techron Concentrate Plus does. What do I have to lose. Lacking anything else, I zero out trip odometer #1 and refuel on the basis of the miles driven and the average miles/gallon indicated. Actual fuel mileage varies from 2.5 mpg when around town (17mpg indicated, 14.5 actual) to 20mpg interstate with 18.5 actual. So, I fill when 275 to 300 miles driven, as required. Haven't run out yet. Per your question about electrical system - I have made no modifications of any kind on the system. The problem started about a year ago, taking a few tanks to go fully crapped out. This is a whole lot cheaper than spending up to $600 for a new sender which may not be the solution. Have any other ideas?
On another issue, over the years (I bought new, have 129,000 miles to date), I have had every one of the brake calipers seize. Toyota paid for the first one. The fourth one was last year. This is my second 4runner. The first was a totally trouble free '89 which I kept for 12 years and put 398,000 miles on it. Sold it to the Sales Manager at the dealership.
 
I believe it's your sending unit inside your tank that probably failed or is sticky.

I have a 2009 4runner. When I went to moab this year I had 1/2 tank of fuel on this steep off road trail. It is the hardest trail I have taken my 4runner to date on. When rock crawling the trail I noticed my fuel gauge completely empty and fuel light on. I immediately got out of my 4runner and checked for leaks. No leaks and continued along since I knew I had fuel in there. On the way down the hill all of a sudden my fuel gauge started working and ever since been fine.

So I think the extreme inclines plus 1/2 a tank fuel caused my sending unit to wig out. I would check they first but have to drop your fuel tank.
 
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I had a similar problem with my 2003 SR5 (V8). The fuel gauge stopped working and the needle stayed on "E". My 2003 is out of warranty so I took it to my mechanic rather than the dealer. The entire "Gauge Cluster" had to be replaced. The part is a dealer item only, and the dealer had to set the electronic odometer on the new part to match the current mileage on my vehicle. My mechanic gave me a break on the labor cost, but parts and labor came out to over $700.00. You will have to take your vehicle in to have a technician find out exactly what is wrong and then decide on your options for repair. Hope your problem is something minor.
 
Fuel Gauge Issues

Thank's to those who replied to my problem fuel gauge. Me thinks that I will continue to work around it until I hit some monstrous bump in the hopes that all will return to normal. Maybe it would also work for Obamacare.
 

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