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Fuel systemPart report

2009 Audi A4 Cabriolet Fuel system Problems

Complaints
3about this part
Share
14%of 22 total for the year
Median mileage
86,376miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2009 Audi A4 Cabriolet, 14% of the 22 complaints for this model year. Where a mileage was given, the median is 86,376 miles.

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.

“Vehicle was in motion on a suburban road, driving forward, when it developed forward/bucking motion before stalling/stopping in traffic. Upon dealer inspection, the vehicle's high pressure fuel pump was found to have failed, which directly caused a failure of the engine cam shaft, resulting in a costly repair to correct.”

NHTSA complaint #10875948, filed 2016-06, 103,752 miles

“2009 Audi A4 CABRIOLET. Consumer writes in regards to vehicle check engine light indicates consumer had to replace faulty relays, evap purge valve, leak detection pump, high pressure fuel pump tappet, valve cover gasket and pcv valve assembly. The valve cover gasket was leaking.”

NHTSA complaint #10872020, filed 2016-06

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2009314%

Other parts of the 2009 Audi A4 Cabriolet

Air bags
18 complaints
Engine
1 complaints
Engine cooling
1 complaints
Other or unknown
1 complaints

← All problems reported for the 2009 Audi A4 Cabriolet

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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