Buick Lucerne fuel gauge problems

Filed Nov 13, 2016 · Electrical, Fuel system · 92,000 miles · AL

When ready to leave work the vehicle would not start. Determined the fuel pump was not operating. Replaced the fuel pump and the vehicle still would not start. I found the fuel pump relay was the ultimate cause of failure. After replacing this relay two other times I decided to look further into the cause. I dismantled the fuse box to find it was not complete inside. The fuse box is filled with female to female couplers to connect the bottom wiring harness to the fuses. The fuel pump relay should have four of the couplers installed in the fuse box. There are only three installed. The male pins are long enough to touch and make contact. They will eventually overheat. This is a manufacturing defect and a fire hazard; as many people have had the issue. Buick still has not issued a safety recall and refuses to actually investigate the reason this is happening. The average consumer is being hit wit a $400.00 fuse box and $600.00 fuel pump replacement. I actually have since installed my original fuel pump. The replacement pump did not have a sending unit for the fuel gauge. Why are the dealers replacing probably perfectly fine fuel pumps. This has become a racket.

Filed Dec 18, 2012 · Fuel system · 10,675 miles · FL

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. Collision hazard if run out of fuel while driving.

Filed Nov 16, 2010 · 28,323 miles · CO

Dash cluster is very hard to read during daylight hours unless backlit by light sensor on the dash. During the day the dash cluster is almost impossible to see and read with or without sun glasses. I have to take my eyes off of the road for more than 2 seconds to see my speed, tack, gas gauge or other accessories, which takes my concentration away from driving and could result in a serious accident. I have had the car back to the dealer suss pontiac twice. First time they replaced the entire cluster. The second time was for the same reason. The dash cluster cannot be read during daylight hours. The second time back I was told by the dealer and buick there was nothing they could do about it, that I would have to put up with this problem. The dealer admitted that others have also complained of this exact same problem. If I cover the light sensor on top of the dash, then the night-time lights will come on and I can see, but this dims the radio so that it can't be read. Covering the light sensor is not a solution to this problem. Buick needs to make the face of the dash cluster any other color than dark blue or back light it. The service request number with buick was 71-849515366.

Filed Jun 10, 2010 · Fuel system · 100 miles · NC

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.

Filed Jan 16, 2010 · Electrical, Lights · 22,000 miles · FL

Re: 2007 buick lucerne. In daylight driving the instrument cluster is not visible. Very hard to read odometer or gas gauge, have contacted dealers with no success in solving problem.

Filed Nov 5, 2007 · Electrical · 28,600 miles · ME

Tl*the contact owns a 2007 buick lucerne. While driving at any speeds during the day, the speedometer and fuel gauge cannot be read. The dealer acknowledged the failure. The VIN was unknown. The current mileage was 28,600 and failure mileage was 29,000. The consumer stated the instrument panel can not be read in the daylight and was poorly illuminated. Updated 11/26/07

Filed Oct 8, 2007 · Fuel system · 3,000 miles · PA

I have a defective gas gauge which will move up and down while driving. At times when I fill up it will register 3/4 when in fact it is full. Due to this failure I fill up every time I go more than 200 miles. To accomplish this I must keep a sheet and enter every time I fill up and must remember to turn the trip mileage back to zero each time. I have been in contact with gm since november of 2006 and all they say is "its a design change".car was purchased in june 2006 but I did not notice it till october 2006 because my wife had gone through major back surgery in may 2006 and I was too busy caring for her and run the house to notice the gas gauge.

Filed Sep 25, 2007 · Electrical · FL

2007 buick lucerne instrument panel can not be seen in the daylight. Customer states that the dealer said the vehicle was working to gmc specifications. *kb the consumer stated the instrument panel faded to black and was virtually unreadable. The speedometer was difficult to see. The message board below the speed indicator faded in and out with the compass indicator being visible most of the time, and the fuel gauge was impossible to read.

Filed May 24, 2007 · Lights · 200 miles · OK

Cannot read the odometer or fuel gauge when driving in sunlight. It is completely dark when it is sunny outside. Dealer suggests tinting windows?? Panel has been replaced, but still same problem. Is buick going to do any thing about this??

Filed May 22, 2007 · Electrical · 300 miles · OK

Tl*the contact owns a 2007 buick lucerne. The contact stated that she is unable to see the speedometer and fuel gauge when driving in sunlight. The unit was previously replaced, but the failure persists. The mechanics who performed the repair suggested that she tint the windows or place a shield over the glass. The contact feels that will not resolve the failure. The vehicle was purchased four months ago. She filed a complaint six weeks ago with the manufacturer, but nothing is being done. The engine size and # of cylinders were unknown. The current mileage is 6,000 and failure mileage was 300.