NHTSA Complaint #11217361 — 2017 CHEVROLET MALIBU

INTERMITTENT ISSUE WHILE DRIVING AT HIGHWAY SPEEDS (70MPH) CAR WILL POP UP SERVICE STABILITRAK ERROR MESSAGE ON FRONT DISPLAY, THE TRACTION CONTROL LIGHT WILL ILLUMINATE, WHILE CEL BEGINS FLASHING. AT THIS TIME, CAR WILL LOSE POWER AND SPEED WILL BEGIN TO FALL. CONTINUING TO DEPRESS ACCELERATOR IN AN ATTEMPT TO MAINTAIN SPEED WILL CAUSE CAR TO SHUDDER. ENTIRE INCIDENT LASTS ONLY 1-2 MINUTES, BEFORE DRIVABILITY RETURNS. IN-THE-MOMENT ONSTAR DIAGNOSTICS SHOW NO ISSUES. PURCHASED CAR BRAND NEW; ONLY BEEN SERVICED AT THE ORIGINAL DEALERSHIP, ONLY USE SHELL V-POWER GASOLINE. 1ST INCIDENT- DEALER SAID WET ROADS/RAIN TO BLAME; DID NOT RUN DIAGNOSTICS, DID NOT ATTEMPT TO SERVICE 2ND INCIDENT- DEALER NOTED CYLINDER 3 MISFIRE, SWAPPED COIL PACK AND SPARK PLUGS ON CYLINDERS 1 AND 3, CHANGED OIL. 3RD INCIDENT- ON MY WAY HOME FROM DEALERSHIP FOLLOWING ABOVE SERVICE, DEALER NOTED CYLINDER 3 MISFIRE, OPENED A CASE WITH GM, AND PERFORMED DECARBON SERVICE TO ENGINE, SAID CARBON BUILD-UP TO BLAME. 4TH INCIDENT- DEALER NOTED GENERAL ENGINE MISFIRE CODE, ALONG WITH SEVERAL COMMUNICATIONS ERRORS CODES; REPLACED ECM AND REPROGRAMMED CAR. DEALERSHIP TOLD ME USING NON-TOP TIER GAS IS TO BLAME. CAR HAS TOTAL OF 27K MILES ON IT- ISSUE BEGAN TO OCCUR AROUND 15K MILES. I HAVE DASHCAM VIDEO AND ALL SERVICE RECORDS.