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Discussion Starter #1
I took my 2014 into the dealer today to get the fuel pump recall performed (don't worry, it's only some 2014's that need it). Shortly after driving away, I noticed my "low fuel" warning light was on and the gauge was reading empty. Went immediately to a gas station and filled it up as high as I could. When I started up to pull away, I see that the low fuel warning light is still on and the gauge is still reading empty. WTF? Guess I'll be calling them tomorrow morning for an answer! Has anyone else experienced this after doing the fuel pump recall?
 

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Had mine done today and fuel gage is OK, I'd guess something just got unplugged when working on yours.
 

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Discussion Starter #3
So, I took the FJ back in and they worked on it all day, completely stripped the fuel system down and found everything working fine. When they re-assembled, the gauge seemed to be working and reading full. But ....

Drove about 250 km and the gauge reads just under 3/4 full. I think it should read no more than a 1/4 tank! Looks like I need to call them again but I’m away from civilization for a week or two!
 

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I've got a '14 that's scheduled for the recall replacement tomorrow. Talked to a good friend with a '14 also who had the recall done three weeks ago and they had the exact same failure. Gas gauge showed 3/4 full and they thought they were getting great mileage until it ran out of gas on the side of Hwy. 400. Gauge still showed 3/4 full. Towed it to the dealer and they apologized, spent a day fixing the sending unit and reimbursed the tow.

Guess I'll have a heart to heart with the Service Manager to discuss not f**king up the sending unit while replacing the low pressure fuel pump.......
 

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Ultragauge will calc remaining fuel from OBDII data, not tank float, when you need to know exactly how much fuel is left.
 

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Discussion Starter #6
I've got a '14 that's scheduled for the recall replacement tomorrow. Talked to a good friend with a '14 also who had the recall done three weeks ago and they had the exact same failure. Gas gauge showed 3/4 full and they thought they were getting great mileage until it ran out of gas on the side of Hwy. 400. Gauge still showed 3/4 full. Towed it to the dealer and they apologized, spent a day fixing the sending unit and reimbursed the tow.

Guess I'll have a heart to heart with the Service Manager to discuss not f**king up the sending unit while replacing the low pressure fuel pump.......
The diagnostic report I’ve seen says my sending unit and level sensor are good so I’m not sure what they’ll check when I take it in. Until then, I’ll carry a gas can and use the trip odometer!
 

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Discussion Starter #7
Ultragauge will calc remaining fuel from OBDII data, not tank float, when you need to know exactly how much fuel is left.
Sounds interesting! How can a system sense an amount of fuel without a float? Is there some other sensor involved?
 

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Discussion Starter #8
Sounds interesting! How can a system sense an amount of fuel without a float? Is there some other sensor involved?
Found this on the web to answer my own question:
"The fuel sender data is only used by UltraGauge to detect a fuel fill-up event. At all other times the fuel sender is ignored as it is horribly inaccurate. Instead UltraGauge calculates the fuel consumption real-time and uses this data to determine the remaining fuel in the fuel tank.
If the fuel sender data is not available via the OBDII port, a fuel fill-up event can be reported to UltraGauge by pressing & holding the "UP" key for three seconds."

It must use the metering sensors for fuel flow ... might be a good option if fixing the gas gauge costs too much!
 

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It must use the metering sensors for fuel flow ... might be a good option if fixing the gas gauge costs too much!
I have the oem tank and an additional 23 gallon aux tank, press one button at fill ups. Ultragauge is accurate to less than 1 gallon, every fill. Apparently the injector data is very accurate considering the amount of injections that occur over 42 gallons of fuel.

Tank float is 1/4 tank accurate at best and has about 4 1/2 gallons remaining at gauge empty.
 

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Discussion Starter #11
I just had my recall done and the gas gauge is reading 3/4 tank when I know it’s full.

Oh wait- the gauge is just Excruciatingly slow...wow is it slow...at least it works. :)
Mine shows full when it’s full but it moves slowly to 3/4 as the tank empties. Keep that in mind ... you’re not getting fantastic gas mileage all of a sudden!
 

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Mine shows full when it’s full but it moves slowly to 3/4 as the tank empties. Keep that in mind ... you’re not getting fantastic gas mileage all of a sudden!
Thanks for mentioning that. I see what you mean now. I will keep an eye on it hoping it steadily goes down to empty. This is the first fill up so I will see what the situation is. I have an aux tank so perhaps I will keep a few gallons in there as back up just in case I run out on the main tank...
Thanks bro!
 

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Discussion Starter #13
Thanks for mentioning that. I see what you mean now. I will keep an eye on it hoping it steadily goes down to empty. This is the first fill up so I will see what the situation is. I have an aux tank so perhaps I will keep a few gallons in there as back up just in case I run out on the main tank...
Thanks bro!
i would love to have an aux tank!
 

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Took my 2014 in for the fuel pump recall. A bit if a struggle for the dealership. When I picked it up I thanked them for the “extra” gas. Dropped it off with less than 1/4 tank as requested. The gauge now read 3/4 full. I left the dealership. For 5 days the smell of gas inside the cabin was unbearable! I called the dealership, just leave all the windows open. The smell will go away. I’d been driving around and leaving all the windows open for days. Day 6 the check engine light comes on and the gas gauge is still at 3/4 full. I drop it back to the dealership noting both issues. They apologize, someone left a “clip” off, “you’re set to go. I mention the stuck gas gauge. They tell me to drive it a few more days or put more gas in it. ???

I just dropped the FJ 2014 back to the dealership. Gauge still reads 3/4 full. This is the first FJ fuel pump they have changed.

My FJ was perfectly fine before all this recall servicing. Anyone else have their 2014 fuel pump replaced? How can I be certain the fuel gauge is accurately measuring gas level when I get it back?
 

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Discussion Starter #15
Took my 2014 in for the fuel pump recall. A bit if a struggle for the dealership. When I picked it up I thanked them for the “extra” gas. Dropped it off with less than 1/4 tank as requested. The gauge now read 3/4 full. I left the dealership. For 5 days the smell of gas inside the cabin was unbearable! I called the dealership, just leave all the windows open. The smell will go away. I’d been driving around and leaving all the windows open for days. Day 6 the check engine light comes on and the gas gauge is still at 3/4 full. I drop it back to the dealership noting both issues. They apologize, someone left a “clip” off, “you’re set to go. I mention the stuck gas gauge. They tell me to drive it a few more days or put more gas in it. ???

I just dropped the FJ 2014 back to the dealership. Gauge still reads 3/4 full. This is the first FJ fuel pump they have changed.

My FJ was perfectly fine before all this recall servicing. Anyone else have their 2014 fuel pump replaced? How can I be certain the fuel gauge is accurately measuring gas level when I get it back?
Same situation! I’m going back for the third time!
 

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This recall is causing multiple similar events. Good friends took their 2014 in and had the exact same experience -- 3/4 full tank but they didn't pay attention and ran out of gas two days later. Towed back to the dealer who "apologized" and fixed it. It was described as an problem when they partially drop the tank down to replace the LP pump there is apparently a wiring harness with very little slack and when the tank is dropped too low, the connectors get pulled off. Or so they say.

Took my 2014 in three weeks later to the same dealer ( stupid me) and told the service writer about that experience and he assured me they would put their 'most senior" tech on my FJ. Got it back that day and all seemed well - tank read 1/4 full -- immediately filled it and gauge read full. Four days and 76 miles later the gauge had moved down some from full when the TracOff light and Check Eng light came on. FJ wouldn't accelerate and was very sluggish from a stop. Drove 6 more miles, parked it and then it wouldn't start. Turned over but wouldn't start.....

Towed back to the dealer very pissed but courteous. They found out and photographed for me where the "most senior" tech had not followed the TSB instructions and had separated an o-ring from the lower section of the pump. The o-ring dislodged and blocked the strainer causing the lean fuel alarm - TracOff / Check Eng lights-- and then prevented restart. Dealer fixed the issue, reimbursed my tow charge and now 2 weeks later all seems ok.

Looks like this recall is causing more problems than the original problem......
 

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That's unfortunately what happens when a technician is in a repetitive task - the attention to detail and instructions start to slip.
 

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Man, recalls can suck, for exactly this reason: taking the car apart to fix something, especially something that typically needs no service, tends to create new problems. When it was for an issue like this, which was really rare, it runs the risk of turning the majority of vehicles, which were going to be fine anyway, into a new cluster of issues, when done without proper care.


Mercedes used to take their car apart at the end of their assembly line to fix everything before selling it, but it cost a lot, and often caused new problems that then needed fixing too. When Lexus launched and could match their quality at a lot lower price they hired a bunch of retired Toyota production specialists to teach them how to do it right the first time, which saved them a ton of production cost, and further reduced their field issues to boot.
 

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Discussion Starter #20
My replacement float mechanism is on order from the US so I need to go in again late next week. The chance of a fiery crash from a failing fuel pump on the highway is starting to look pretty good right now ,,,
 
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