2018 Chevrolet Malibu

THE VEHICLE LOSES POWER AFTER WARMING UP. VEHICLE SPUTTERS DURING ACCELERATION AND SOMETIMES WILL NOT ACCELERATE AT ALL. THIS ALMOST CAUSED ME TO GET INTO AN ACCIDENT AS I PULLED OUT AND PRESSED THE ACCELERATOR AND THE CAR WOULD NOT MOVE. THERE ARE NO LIGHTS OR CODES PRESENT. ACCORDING TO ONLINE FORUMS THERE IS A TSB FOR THIS (19-NA-32); IT NEEDS TO BE A SAFETY RECALL...THIS IS VERY DANGEROUS.

I HAVE HAD THIS CAR 6 MONTHS AND IT HAS BEEN SERVICED 3 TIMES FOR THE SAME ISSUE. WHILE IN MOTION THE VEHICLE DOES NOT ACCELERATE PROPERLY. WHEN PULLING OUT IN TRAFFIC WITH THE GAS PUSHED DOWN IT SLOWS AND THEN LUNGES. IT ALSO CAN HAPPEN WHEN GOING WITH THE SPEED OF TRAFFIC. (FEELS LIKE IT'S SLIPPING). THE FIRST TIME THEY FOUND PUMP PLUNGER DAMAGE AND LOOSE PIN IN FUEL CAM FOLLOWER. THE SECOND TIME THEY REPROGRAMMED EXAM WITH LATEST CA LIBERATIONS. I AM HERE NOW FOR THE 3 TIME. THIS VEHICLE IS EXTREMELY DANGEROUS AND I WORRY FOR THE SAFETY OF MYSELF AND KIDS WHEN DRIVING.

I PURCHASED MY 2018 MALIBU IN AUGUST 2018. I WAS GETTING AN AVERAGE 28 MPG UNTIL MY FIRST OIL CHANGE IN DECEMBER 2018. AFTER THAT, I STARTED GETTING 20-27 MPG CITY AND 14-20 MPG HIGHWAY. THIS CAR WILL USE AN ENTIRE TANK OF GAS GOING APPROXIMATELY 210 MILES ON THE INTERSTATE. I HAVE TAKEN IT BACK TO A CERTIFIED GM SERVICE DEPARTMENT, AND THEY TELL ME THAT THE CAR HAS NO SERVICE CODES. I HAVE SPOKE TO A GM MANAGER, AND SHE TOLD ME BASICALLY THE SAME THING. I HAVE BEEN TOLD THAT NOTHING WILL BE DONE TO CORRECT THE ISSUE WITH MY CAR. I'M NOT UNDERSTANDING WHY I GOT EXCELLENT GAS MILEAGE FROM THE CAR DURING THE FIRST 6000 MILES AND NOW IT FLUCTUATES ON CITY ROADS AND IS AWFUL ON THE INTERSTATE. I HAVE NEVER DROVE A CAR THAT GOT BETTER CITY MILES THAN HIGHWAY. THE CAR IS ALSO VERY HESITANT AND SHIFTS HARD AT TIMES WHEN ACCELERATING. THIS IS NOT AN EVERY DAY OCCURRENCE, BUT HAPPENS 6 OR 7 TIMES A WEEK.

SOMETIMES, WHEN THE THROTTLE PEDAL IS DEPRESSED ACCELERATION IS IMMEDIATE AND THE VEHICLE PERFORMS ACCEPTABLY WITH A SMOOTH AND CONSISTENT RATE OF ACCELERATION. HOWEVER, SOMETIMES THE VEHICLE SPUTTERS FOR A WHILE, NOT FOR A CONSISTENT PERIOD OF TIME, AND EVENTUALLY ACCELERATION KICKS IN AND THE VEHICLE PERFORMS ACCEPTABLY. SOMETIMES WHEN THE THROTTLE PEDAL IS DEPRESSED, THE VEHICLE ACCELERATES VERY SLOWLY, WITH NO NOTICEABLE SPUTTERING, NO GEAR CHANGE AND DOES NOT KICK INTO ACCEPTABLE ACCELERATION (I HAVE NOT TESTED THE VEHICLE FOR A LONG PERIOD OF TIME WHEN IT HAD THIS RESPONSE SO ACCELERATION MIGHT EVENTUALLY KICK IN). INTERMITTENT DELAYED ACCELERATION HAPPENS WHEN THE THROTTLE PEDAL IS DEPRESSED AT A STOP OR WHEN THE VEHICLE IS MOVING AT VARIOUS SPEEDS. INTERMITTENT DELAYED ACCELERATION IS A SAFETY HAZARD. FOR EXAMPLE, WHEN ENTERING A FREEWAY WITH HEAVY TRUCKS TRAVELING AT 75 MPH OR MORE, THE DRIVER OF A VEHICLE WITH INTERMITTENT DELAYED ACCELERATION WOULD NOT KNOW IF IT WOULD BE SAFE TO MERGE INTO TRAFFIC. IF ACCELERATION WAS SMOOTH AND CONSISTENT, THE DRIVER COULD ANTICIPATE THE VEHICLES PERFORMANCE AND MERGE SAFELY. IF DELAYED ACCELERATION OCCURRED, THE VEHICLE MIGHT BE ABLE TO MERGE SAFELY PROVIDING THE FREEWAY ONRAMP HAD ENOUGH LENGTH AND THE ONCOMING TRAFFIC HAD ENOUGH SPACE BETWEEN VEHICLES. HOWEVER, SINCE THE DELAYED ACCELERATION IS INTERMITTENT AND WHEN IT OCCURS, THE DELAY IS NOT CONSISTENT, THE MERGING VEHICLE COULD POTENTIALLY BE REAR-ENDED BY A HEAVY TRUCK RESULTING IN SEVERE INJURY OR DEATH.