IllustrationPLEASE SEE WEB SITE S-CARS.ORG F.A.Q RE LEAKING FUEL LINES.
1993 Audi S4
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all S4 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 16 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel System, Gasoline. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Vehicle Speed Control. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
16 reportsFUEL LINE LEAK...NOTICED FAINT FUEL SMELL ON MORNING OF 6/5/99 (COLD WEATHER THAT MORNING).. THIS PROBLEM HAS BEEN FOUND BY SEVERAL OTHER OWNERS. I HAVE NOT BEEN TO A DEALER ABOUT IT, BUT I KNOW THAT IT IS A PROBLEM WITH MY CAR.
NO SUMMARY.
METAL FUEL LINE LEAKING ONTO ENGINE COMPARTMENT CAUSING FUMES TO ENTER PASSENGER COMPARTMENT OF VEHICLE. NLM
WHILE DRIVING THERE WAS A LOT OF VIBRATION IN FRONT END. ABS BRAKES WERE NOT FUNCTIONING/LOCKED UP, CAUSING VEHICLE TO VIBRATE. ALSO, FRONT LEFT WHEEL HAD SMOKE COMING FROM IT. DEALER HAD TO REPLACE ALL BRAKE ROTORS AND REAR CALIPERS. *AK
BOUGHT THE CAR FROM MY MOTHER WHO BOUGHT IT NEW JANUARY 1993 FROM HIGHLAND PARK AUDI, HIGHLAND PARK IL. NO SPECIFIC DEFECT CITED IN THE SUMMARY.
Official recalls
200V068000 · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
Mar 6, 2000
VEHICLE DESCRIPTION: PASSENGER VEHICLES. A FUEL FEED LINE CONNECTING THE FUEL FILTER TO THE ENGINE CAN PREMATURELY AGE AND SHRINK THROUGH EXPOSURE TO HIGH UNDER HOOD TEMPERATURE CAUSED BY THE TURBOCHARGER.
Consequence & remedy
Consequence: THIS CAN RESULT IN FUEL SEEPAGE AT THE CONNECTION.
Remedy: DEALERS WILL REPLACE THE ENTIRE FUEL FEED LINE FROM THE FUEL FILTER TO THE ENGINE WITH A FUEL LINE OF SHRINKAGE-PROOF MATERIAL.
97V172000 · Air Bags:frontal:sensor/control MODULE-INACTIVE
Oct 6, 1997
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Consequence & remedy
Consequence: IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.
Remedy: DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1PE99065 · Fuel Supply Line Leak
Opened Oct 28, 1999 · Closed Mar 31, 2000
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
There is no summary currently available
Additional source detail variants (2)
Vehicle Speed Control:linkages
There is no summary currently available
Vehicle Speed Control:linkages
There is no summary currently available