1998 Buick Lesabre: misfire or rough idle

Filed Jun 15, 2023 · Engine, Fuel system · 231,000 miles · MO

The contact owns a 1998 Buick LeSabre. The contact received notification of the federal safety agency Campaign Number: 04V090000 (Fuel System, Gasoline) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving approximately 45 MPH and at various speeds, the engine started to misfire. The contact stated that the check engine warning was illuminated. The contact had not taken the vehicle to a local dealer or independent mechanic to be diagnosed. The vehicle had not been repaired. The contact used an OBD scanner and retrieved code: P0300 (Multiple Random Cylinder Misfire). The contact stated while stopped at a traffic signal there was an abnormal gasoline odor inside the cabin of the vehicle. The manufacturer was not made aware of the issue. The failure mileage was approximately 231,000. Parts distribution disconnect.

Filed Oct 21, 2004 · Engine · 88,103 miles · AR

July 11, 2002: we had to have 5 injectors replaced by jordan oldsmobile-buick, hot springs, arkansas. Cost: $709.42. Mileage was 82,260. October 31, 2002: we had to take our car to orr pontiac, cadillac, toyota, hot springs, arkansas, because the car misfired (or backfired) on us. The work order states: customer states that oil light and temp light came on; car was low on coolant and had to add water, said a lot of white smoke came out of tail pipes and had very bad sulfur smell. Intake leaking, flooding cyl with coolant. replaced : two manifolds, coolant, oil, etc. Cost: $1398.66. Mileage: 88,103. November 15, 2002: oil gauge goes to red and engine has knock. Diagnosis was internal engine damageI was told that parts of the engine had been made of plastic and this plastic had melted. Complete new engine. Cost: $4174.94. Mileage: 88,821.

Filed Sep 13, 2004 · Engine · 95,000 miles · MN

Vehicle's engine misfires and loses power. *mr the service engine light had come on along with the misfires and power loss. The consumer was told that the problem could be due to the engine hydraulic lock. The consumer stated that gm was aware of the plastic intake manifold problem.

Filed Aug 12, 2004 · Engine · 66,582 miles · MI

While driving service engine light came on. Then, vehicle decelerated followed by heat and ventilation failures. This was due to engine intake manifold malfunctioning. The manifold wasn't designed correctly by the factory engineer, which caused the engine to misfire. Dealership diagnostic test showed coolant leaking. Cylinder replaced, and lower intake manifold improved design, per bulletin 010601007a. Also, coolant and fluid plugs were replaced.*ak

Filed Aug 4, 2004 · Fuel system · TX

Request for reimbursement for replacement of intake plenum. *mr due to a backfiring/misfiring problem. *sc there was a recall regarding the problem and the consumer is now requesting reimbursement. Recall #(04v090000)

Filed Feb 19, 2004 · Engine · IL

When accelerating, the vehicle stalled. The driver stated that the vehicle has a design flaw in the engine manifold upper intake valve. *jb (manifold and gaskets malfunctioned) the oil pan and valve cove was replaced. There was also a fuel injector problem. The dealer found the #4 cylinder misfiring with no fuel drop.

Filed Mar 6, 2003 · Engine · 100,077 miles · CA

The vehicle was hard to start, consumer heard a pop noise, and the engine started to run rough. Consumer stated maybe a blown head gasket.