2006 Buick Rainier fuel system problems
The 2006 Buick Rainier has 37 fuel system complaints filed with NHTSA — 32% of the year's total, and up sharply from the prior model year.
37
Fuel System complaints
32%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“FUEL GAUGE STOPPED WORKING. GAUGE BECAME ERRATIC REPORTING LOW/NO FUEL WHEN TANK WAS FILLED. FUEL GAUGE CONTINUOUSLY BOUNCES BETWEEN FULL AND EMPTY. BEHAVIOR CONTINUES TO EXIST. CAN'T RELY ON FUEL GAUGE TO DETERMINE WHEN A FILL UP IS REQUIRED. CURRENTLY CALCULATING MILEAGE TO NEXT FILL UP BY…”
Common questions
How many fuel system complaints does the 2006 Buick Rainier have?
NHTSA has 37 complaints about the 2006 Buick Rainier fuel system — 32% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.