Problem Reports
Buick Lucerne
Report: Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure
Buick Lucerne Problem
Model Years Affected: 2006, 2007, 2008, 2009
Engines Affected: 3.8L V6, 3.9L V6, 4.6L V8
Average Mileage: 83,107 mi (60,000 mi - 130,000 mi)
The fuel pump may fail causing the engine to stall and not restart.
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Visitor, 2009 Buick Lucerne, 3.9L V6, 60,000 mi
Fuel pump stopped pumpimg without warning. Had car towed to my garage wgere they advised me fuel pump was defective. after replacing fuel ump it was discovered the fuse box under the rear seat was fried. Car was then toewd to the local dealer where fuse bx was replaced and reprograming was necessary. i checked for a recall and was told there was none.
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Visitor, 2009 Buick Lucerne, 3.9L V6, 84,000 mi
FUELPUMP RELAY BURNS OUT, X 3, DEALER REPLACED FUSE BOX, CLEANED BATT. TERMINALS, TRACED WIRES, REPLACED PUMP, AND NOW SAYS IT IS THE FUEL GUAGE SENDER THAT IS BLOWING RELAY. GUESS WHAT; THEY WANT TO MAKE ME PAY FOR ALL THIS WORK. HAD TO HAVE CAR TOWED TWICE, DEALER WOULD NOT GIVE ME A SPARE RELAY SO I WOULD NOT HAVE TO HAVE IT TOWED. I WAS THE ONE WHO BROUGHT THE HOT RELAY PROBLEM TO THEIR ATTENTION. THIS IS A TIME BOOM WAITING TO HAPPEN. BURNING RELAY NEXT TO BATTERY UNDER BACK SEAT.
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bwowens, 2009 Buick Lucerne, 3.9L V6, 69,750 miRookie
Car would not crank without warning. Was towed to dealership and fuel pump replaced. Car has been serviced at dealership since purchased new an d no mention of need for fuel filter replacement. Hope it doesn't do it again like other reports. I will try to remember to have fuel filter replaced in future.
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Visitor, 2008 Buick Lucerne, 3.8L V6, 66,000 mi
Stop and tried to start the car and it would not. It was traced to a bad fuel pump- car has abt 66,000 miles
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Visitor, 2008 Buick Lucerne, 4.6L V8, 86,000 mi
same issue. would crank but not start. The fuel pump and relay were replaced and not even a month later, the relay melted from who knows what. i talked to the mechanic that fixed it again and he stated that the fusebox or module has problems with it that may be an engineering flaw.
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Visitor, 2008 Buick Lucerne, 4.6L V8, 86,000 mi
2 weeks ago, went to start vehicle and it was not getting gas. Had it towed and diagnosed as fuel pump. Had pump and relay replaced (relay was melted). 2 weeks later, I went to start the vehicle, same problem. Had car towed again and once again the relay is fried. Mechanic opened up fuse box and seems to be an electrical problem where too much power is going to the relay causing overheating and pump failure.
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