FUEL GAUGE ACTS ERRATIC. SHOWS 3/4 FULL, THEN SLOWLY DROPS TO EMPTY WITH LOW FUEL ALARM SOUNDING. I KNOW THERE IS FUEL IN THE VEHICLE. FUEL SENSING UNIT IS MALFUNCTION. *TR
2007 buick Rainier fuel system problems
moderate 10 complaints filed with NHTSA · avg repair $1,200
Complaints
10
Recalls
0
Crashes
0
Avg fix
$1,200
What owners are reporting 5 most recent
TL* THE CONTACT OWNS A 2007 BUICK RAINIER. THE CONTACT STATED THAT THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS AND WOULD READ THAT THE TANK WAS EMPTY WHEN IT WAS ACTUALLY FULL TO CAPACITY. WHEN THE TANK WAS EMPTY, THE FUEL GAUGE WOULD READ THAT THE TANK WAS FULL. THE DEALER INFORMED THE CONTACT THAT HER WARRANTY WOULD NOT COVER THE COST TO REPAIR THIS PARTICULAR FAILURE. THE MANU…
FUEL GAUGE WILL DROP TO EMPTY AND THE LOW FUEL LIGHT WILL COME ON, THE DRIVER INFORMATION CENTER WILL SOUND AN AUDIBLE ALERT AND WILL SHOW LOW FUEL INDICATOR. WHEN YOU HAVE A FULL TANK OF GAS IT WILL SHOW A FULL TANK AND STAY THERE UNTIL YOU USE ABOUT 1/8TH OF A TANK AND THEN THE FUEL GAUGE START MALFUNCTIONING. SOME TIMES THE FUEL GAUGE WILL SHOW FULL AND SOME TIMES IT WILL SHOW EMPTY AND ALL THE…
TL* THE CONTACT OWNS A 2007 BUICK RAINIER. AFTER ADDING FUEL TO THE VEHICLE, THE CONTACT NOTICED THE FUEL GAUGE DISPLAYED EMPTY AND THE EMPTY FUEL TANK WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 75,000. UPDATED 11/14/12*LJ
WHEN FUEL TANK IS FILLED TO FULL, FUEL GAUGE READS EMPTY AND LOW FUEL WARNING APPEARS ON DRIVER INFORMATION CENTER. FUEL GAUGE STARTS TO INDICATE FUEL LEVEL WHEN FUEL TANK IS ABOUT 1/2 FULL. FUEL LEVEL INDICATION IS VERY INACCURATE WHEN FUEL LEVEL APPROACHES 1/8 TANK. VERY EASY TO RUN OUT OF GAS. *TR
Common questions
How serious is the fuel system problem on the 2007 buick Rainier?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
At what mileage does the fuel system typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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