Complaint 1470993
2000 CHEVROLET IMPALA • ENGINE • incident May 24, 2018
Complaint Summary
ENGINE
Owner Narrative
WHILE DRIVING, THE VEHICLE SUDDENLY LOSES ALL POWER WHILE IN MOTION ON CITY STREETS AND STALLS. ON OCCASION, THE VEHICLE WILL STALL WHILE AT A STOP LIGHT DURING THE DAILY DRIVE. SOMETIMES, THE CAR CAN RESTART NORMALLY, SOMETIMES THE RESTART IS ROUGH AND THE CAR SHAKES, AND SOMETIMES THE CAR WILL NOT START IMMEDIATELY (ONE OCCASION REQUIRED A WAIT TIME OF APPROXIMATELY 30 MINUTES). THE VEHICLE HAS BEEN MAINTAINED OVER THE YEARS AND WHEN IT RUNS, IT RUNS FINE. ONCE THE INTERMITTENT STALLING BEGAN, THE VEHICLE WAS TAKEN TO TWO DIFFERENT SHOPS, NEITHER OF WHICH COULD DIAGNOSE THE PROBLEM (THE VEHICLE DID NOT STALL WHILE IN PARK, ENGINE RUNNING, VEHICLE NOT IN MOTION). ERROR CODES DID INDICATE THAT THE MAP SENSOR SHOULD BE REPLACED, AND IT WAS REPLACED, BUT THE STALLING PROBLEM PERSISTS. THE STALLING PROBLEM OCCURRED ONCE IN 2017, AND HAS BECOME MORE FREQUENT IN 2018, OCCURRING AT LEAST ONCE PER DAY. THE STALL MAY OCCUR IN THE FIRST FEW MINUTES OF DRIVING, OR AT 15 MINUTES INTO THE DRIVE, OR AT 45 MINUTES INTO THE DRIVE: THE TIMING OF THE STALL AND THE CHARACTERISTICS OF THE STALL BEING INCONSISTENT. THERE IS NO SUGGESTIVE PATTERN. AS IT STANDS TODAY, THE CAR IS UNSAFE TO DRIVE, AND THE REPAIR TO RETURN THE VEHICLE TO SAFE OPERATION IS UNKNOWN.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.
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