HYUNDAI: PROCEDURE INFORMATION PROVIDED ON SYMPTOMS AND INSPECTION OF FUEL LEVEL SENDER WITH CERTAIN SYMPTOMS. MODELS 2006-2011 SONATA, 2012 GENESIS, 2010 TUCSON.
full bulletin at NHTSA ↗2006 Hyundai Sonata fuel system problems
severe Owners of the 2006 Hyundai Sonata have filed 8 NHTSA complaints about the fuel system at roughly $1,200 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See fuel system across all vehicles →
Complaints
8
Recalls
0
Avg fix
$1,200
| Model year | fuel system complaints |
|---|---|
| 2005 Sonata | 4 |
| 2006 Sonata (this page) | 8 |
| 2007 Sonata | 3 |
| 2009 Sonata | 8 |
1crash
1fire
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.
HYUNDAI: INFORMATION REGARDING THE INSPECTION PROCEDURE FOR FUEL LEVEL SENDER AND SYMPTOMS OF CHECK ENGINE LIGHT ON, ERRATIC OR UNRESPONSIVE FUEL GAUGE OR FUEL GAUGE DOES NOT REACH FULL LEVEL AFTER FILLING UP. MODELS 2012-2014 GENESIS, 2006-2014 SONATA, 2010-2014 TUCSON.
full bulletin at NHTSA ↗HYUNDAI: THE THROTTLE CONTROL (ETC) BODY, ON SOME VEHIICLES, NEEDS TO BE CLEANED AND PROCEDURAL INFORMATION IS BEING PROVIDED, DUE TO DEPOSITS FOUND AT VALVE-TO-BORE INTERFACE. MODELS 2011-2013 ELANTRA, 2010-2013 GENESIS COUPE, 2010-2013 SANTA FE, 2006-2013 SONATA, 2010-2013 TUCSON.
full bulletin at NHTSA ↗HYUNDAI: MIL ON DTC P2135 OR P0638 OR COLD ENGINE RPM FLUCTUATION- TPS REPLACEMENT & ECM UPDATE. SOME VEHICLES MAY EXPERIENCE EITHER SLIGHT ENGINE RPM FLUCTUATION AT COLD WARM UP OR MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Had fuel system trouble with your 2006 Hyundai Sonata?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the fuel system problem on the 2006 Hyundai Sonata?
It's a meaningful issue. 8 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 8 complaints filed, fuel system issues most often appear around 58,374 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Hyundai/Sonata.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.