Buick Lucerne owners have reported 114 other fuel system related problems since 1996. Table 1 shows the 6 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system pump (74 problems). The second most common problem is related to the vehicle's other fuel system (34 problems). For details of each of the problem category, use the links in the table.
Fuse box (rear) 2008 Buick Lucerne cxl. Fuel pump relay burns fuses out quickly. The fuse box located under the back seat has been having issues of burning where the fuel pump relay is located. It then in turn shorts out the fuse box which keeps needing to be replaced. Read details...
Fuel pump relay is overheating to dangerously high temperatures. At least 211 f degrees. Causes the fuel pump fuse to melt leaving me stranded. Immediate replacement of the 20 amp fuse is necessary to get the car running again. The fuel pump relay gets really hot even if the ac is not on. Read details...
After fuel gauge gets down to full ,shut engine off,restart engine fuel gauge will drop one eighth,shut engine off, restart engine gauge will read up one eighth or back to where it was. It reads up1/8 then down 1/8 then back up 1/8. Read details...
Had to replace a GMC plastic gas tank due to fuel leak around a emissions vent on top of the fuel tank. Every time the car would take a turn, fuel would pour out from the poor configuration & material craftsmanship of tank around the vent cap. Flash back to the Ford pinto issues of the 70's. Read details...
Fuel gauge is inaccurate. Reads up to 1/4 to 1/2 tank too full or too empty. Took it to gm repair facility (dealer) 5 times where numerous and different repairs were done over the course of about 7 months, but still not fixed. Have to keep filling the tank since fuel level is unknown. Read details...