There are 5 owner-reported fuel system complaints for the 2018 Volkswagen Jettain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The car makes a loud popping/ clicking sound in the back of the car (near exhaust) whenever I accelerate or let off the gas.
Engine stalled and car emitted fuel smell and leaked from engine area. Vehicle towed to shop. Mechanic found fuel leak near Cylinder #4. Removed intake manifold and found fuel rail loose and leaking from #4 injector. Left upper fuel rail retaining bolt was broken and left lower bolt was loose.
Car's warning lights came on with initial start, followed by strong fuel smell. Shut off engine and walked around car to find large puddle of fuel coming from engine compartment under fuel rail.
The contact owns a 2018 Volkswagen Jetta. The contact stated that after entering the vehicle and attempting to start the vehicle, the vehicle failed to start on the first attempt. Upon starting the vehicle and driving at an undisclosed speed, the vehicle suddenly lost motive power. After restarting the vehicle, the vehicle seemed to return to normal functionality. However, the contact stated that the failure had since become a regular occurrence. The contact also stated that the infotainment system operated erratically, symptomatic of a possible electrical issue. The contact stated that several unknown warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the fuel pump. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was unknown.
The contact's mother owns a 2018 Volkswagen Jetta. The contact stated that her mother's vehicle had failed to start up with an abnormal fuel odor coming from the vehicle. Upon inspection, her mother discovered that an unknown fluid had leaked from the vehicle. Due to the failure, the vehicle was towed to a dealer where it was diagnosed with a leak in the fuel rail. The failure was linked to NHTSA Campaign Number: 20V648000 (Fuel System, Gasoline); however, the vehicle was not included in the recall. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was 51,723.
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