TOYOTA: FUEL TANK AND FUEL GAUGE DIAGNOSTIC TIPS. METER/GAUGE/DISPLAY. THE DESIGN AND OPERATIONAL CHARACTERISTICS OF THE BLADDER TANK AND FUEL GAUGE SYSTEM. DIAGNOSTIC TIPS FOR THE FOLLOWING CUSTOMER CONCERNS ARE ALSO INCLUDED.
full bulletin at NHTSA ↗2006 Toyota Prius fuel system problems
severe 9 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Common questions
How serious is the fuel system problem on the 2006 Toyota Prius?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,200.
At what mileage does the fuel system typically fail?
Based on the 9 complaints filed, fuel system issues most often appear around 29,354 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to fuel system?
No active recalls currently cover fuel system issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.