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Buick Lucerne Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

 
Buick Lucerne Problem
26 Reports
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Model Years Affected: 2006, 2007, 2008, 2009, 2010, 2011

Engines Affected: 3.8L V6, 3.9L V6, 4.6L V8

Average Mileage: 84,999 mi (10,000 mi - 149,094 mi)

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The fuel pump may fail causing the engine to stall and not restart.

  • Visitor, , 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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  • Visitor, , 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, , 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, , 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, , 3.9L V6, 73,000 mi

    Went to start car, didn't start. fuel pump drew down too many amps and burned fuel pump module had to replace fuel pump, fuel pump module and electronic injector.

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  • Visitor, , 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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  • Visitor, , 3.8L V6, 94,000 mi

    Fuel pump relay burnt out twice in 30 days....car won't start...need new fuel pump

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  • andreaa27, , 4.6L V8, 10,000 mi
     Rookie

    Fuel pump failed and replaced. One month later it failed again. Turned out the fuse panel under the backseat was overheating and meeting causing short to the fuel pump. Mechanic said that box should never need maintenance. Buick refused to speak to me about problem.

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  • Visitor, , 3.8L V6, 103,000 mi

    Car wouldn't start, checked fuel pump it stopped working also relay was burnt & melted a little. Replaced fuel pump and relay. Drove for @20 miles the car cut off and the new relay had melted. Put in another relay and the car started but i noticed the fuse box and relay was very hot to the touch. May have to replace fuse box before my fuel pump blows again

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  • Visitor, , 3.9L V6, 47,568 mi

    car won't start turns over but thats all. replaced fuel pump drove from shop turned car off would not start again fuse relay fried

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