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Fuel systemPart report

2019 Audi A4 Fuel system Problems

Complaints
2about this part
Share
20%of 10 total for the year
Median mileage
50,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2019 Audi A4, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 50,000 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2019 Audi A4. The contact stated that the vehicle was involved in a crash that had damaged the fuel tank and fuel line. The contact stated that the vehicle had been repaired. The contact had taken the vehicle on a trip, and while driving, the contact smelled gasoline in the cabin. The contact arrived at the destination, but the contact had a headache and felt nauseous and called the Fire Department. The contact was taken to the ER by ambulance. The contact was advised that he had suffered carbon monoxide poisoning. …”

NHTSA complaint #11702724, filed 2025-12, 50,000 miles

“Owner of 2019 A4 recently purchased from dealership after lease expired in Feb.2023. Currently with only 36,800 miles, took vehicle to inspect on Nov.24th and nothing but a front light replacement and suggestion of new tires in inspection video. The factory warranty due to expire the following week, Dec. 2nd 2023, and I was inquiring as to cost of extending warranty, but di not purchase, was waiting until after holidays. The following weekend, Tank Malfunction light turns on, from nowhere and displays zero gas on the dashboard. …”

NHTSA complaint #11560137, filed 2023-12

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2019220%
2018613%
2017611%
201619%
201515%
2014413%
201328%
2012316%
2011218%
201069%
200987%
2008116%
2007116%
2006103%
2005125%
20045630%
20035124%
200274%
200132%
200011%
199942%
199810%
199711%
199611%

Other parts of the 2019 Audi A4

Electrical system
3 complaints
Other or unknown
3 complaints
Engine
2 complaints
Forward collision avoidance
2 complaints
Air bags
1 complaints
Back-over prevention (rear camera)
1 complaints
Brakes
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2019 Audi A4

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology