There are 1 owner-reported fuel system complaints for the 2018 Genesis G90in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
GENESIS HAS BEEN IGNORING AN ACCELERATION PROBLEM I'VE MADE COMPLAINTS. ; KHOI NUOEN (GENESIS CUSTOMER CARE). RESPONDED AFTER A WEEK OF INVESTIGATION ' ENGINEERS AWARE OF HESITATION PROBLEM. THERE IS NOTHING WE CAN DO 'YOU ARE GOING TO HAVE TO GET USED TO IT.'; I AM CLOSING YOUR CASE'. 6/25/18 GEORGE NASSAR TOLD JOE THAT THE 'HESITATION' (BALKING) WAS A CHARACTERISTIC OF THE G90 'LIVE WITH IT'. (MAY 17. 2018) - THE COMPUTER HAD REVEALED SEVERAL OF THE I TOLD JOE THAT JOE WOULD HAVE TO 'GET USED TO IT' 'IT IS JUST THE WAY IT IS, NEW TECHNOLOGY - YOU KNOW '- REFERRING TO THE CARS POOR PERFORMANCE. CAR DID IT AGAIN 7/20/18. SO BOUND STOP LIGHT DATE PALM TO PEREZ - MILEAGE 3,094. JULY 24. SHOULD BE. IN GREEN WHEN STOPPED - WHITE WHEN ACCELERATING HAS BEEN STAYING IN WHITE WHEN STOPPED AND ACCELERATING. (PAGE 5-46 - OWNERS MANUAL) CAR WAS NOT PICKED UP. THEY HAD JED CALL ARRANGED TO HAVE CAR PICKED UP THURSDAY JED CALLED RELATED THAT HE, JED HAD DRIVEN A SIMILAR G90 TODAY AND IT HAD THE SAME HESITATION. ECM (FUEL CONTROL) - TRAC CONTROL - TURBO HAVE TO ALL 3 GO IN CONJUNCTION - THEY DON'T - JED SAID HE'D SPOKEN TO A FIELD TECH WHO ACKNOWLEDGED THAT IS A G90 PROBLEM AN D THERE HAS NOT 'FIX'BEEN PROVIDED TO DATE. JED TOLD ME I CAN'T STEP ON THE GAS TOO HARD AND EXPECT THIS CAR TO RESPOND. (NOTE I AM A 62 YEAR OLD MAN WHO NOT HAD THIS PROBLEM WITH ANY CAR EVER! JAGUAR - MERCEDES - THUNDERBIRD - F150 - RENTAL CARS - NEVER! DANNY DROPPED OFF THE CAR 3:30PM HE SAID THAT THERE WAS NO FIX - THE G80 GENESIS DOES THE SAME THING. HE SAID HE FELT HESITATE IN OUR CAR BOTH TIMES HE TOOK IT IN. JOE WOULD LIKE THE CAR FIXED OR REPLACED WITH SAME MODEL WITH A BETTER PERFORMING ENGINE. 7/26/2018 POST OFFICE RETURNED LETTER SENT CERTIFIED TO. GENESIS MOTORS USA/ PHOENIX. PO BOX1430 MESA AZ 85211. MAILED JUNE 29,2018.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026