Buick Lucerne owners have reported 6 problems related to fuel pump (under the gasoline fuel system category).
The contact owns a 2008 Buick Lucerne. On several occasions, the fuel pump relay overheated and melted. Upon inspection, the contact became aware that the fuse/relay enclosure melted. The contact's husband was able to replace the fuse/relay enclosure, but the failure recurred. Neither the dealer nor the manufacturer were contacted. The vehicle was not repaired. The approximate failure mileage was 137,000. The VIN was not available.
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The contact owns a 2009 Buick Lucerne. While driving at any speed, the vehicle shut down and the engine warning indicator remained illuminated numerous times. The vehicle was pulled over to the side of the road. The contact replaced the fuel pump relay. The failure recurred. The vehicle was not repaired. The dealer was notified. The approximate failure mileage was 52,000.
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The contact owns a 2008 Buick Lucerne. The contact started the ignition and a few moments later the engine stalled. The contact was a certified mechanic, who replaced the burned fuel pump relay switch. The failure recurred twice and the vehicle was repaired each time. The manufacturer was not notified of the defect. The approximate failure mileage was 60,000.
Car would not start, and the fuel relay fuse had blown, damaging the fuse box. Fuse was replaced and on Dec 4, 2013 the car would not start again. New fuse block had to be installed. Mechanic's diagnoses said the fuel pump was not receiving good voltage at time, further inspection and testing showed under the rear seal left side fuse block is receiving good voltage but sending a low voltage signal to the fuel pump. Further investigation shows a burnt and melted high resistance connection at the fuel pump relay. Normally, I understand the fuse next to the relay should have blown. Problem seems to stem with the fuse box and there was only one available in the united states on 12/4/2013 which I got. My mechanic was told they are on national backorder and it could take up to 6 months to receive one. So there is an obvious problem with these fuse boxes.
The contact owns a 2008 Buick Lucerne. While driving 20 mph his vehicle shut off and would not restart. The vehicle was towed to the dealer. The vehicle was repaired at no cost to the owner. The failure mileage 13,600. Updated 1/28/10 the consumer stated upon entering a highway from an entrance ramp, as he tried to merge with traffic, he discovered he was unable to accelerate and completely lost power without any warning or lights on the dash. The vehicle was towed to the dealer where the fuel pump module was replaced. The consumer stated the vehicle was repaired in a timely fashion. Updated 02/03/10.
I own a 2006 Buick Lucerne. The vehicle slows as if it is going to stall and cut off, it picks up speed on its own ,and when stopping the vehicle cuts off. It presents a safety hazard in that most of my traveling is done via the expressway. When the car slows down I am at the mercy of the driver behind me. If he is going too fast and tail gates then I am sure to be rear-ended. I have taken this car to the dealership five times,and they could not duplicate the problem. Diagnostics showed nothing. Service department manager drove vehicle while in shop for fifth time and experienced the problem. Because diagnostics still doesn't recognize a problem he says they are having to call in an expert to determine the problem. The car has been in and out of shop since April 3, 2007, and each time the engineers from gm supposedly were in consultation with service department. This problem occurs randomly with no warning. Help!.
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