Gasoline Fuel System Problems of Audi A4

The contact owns a 2014 Audi A4. The contact stated while at a stop sign and attempting to proceed, the vehicle stalled and failed to return to normal operation. The contact and her boyfriend shifted into neutral and pushed the vehicle to the side of the road for a while until the vehicle eventually restarted. The electronic power control (epc) warning light was illuminated. The vehicle was driven back to the residence where the boyfriend used a diagnostic scanner to diagnose the vehicle. The contact was informed that the fuel pump sensor needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The vehicle was scanned a second time and it was determined that the fuel pump module needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The diagnostic scan tool was used again to diagnose the vehicle and it was determined that the fuel pressure regulator needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 98,000.

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The contact owns a 2003 Audi A4. The contact stated that while driving at an undisclosed speed, a fuel odor was detected. The contact parked the vehicle and noticed there was fuel leaking on the rear driver's side. The vehicle was taken to the dealer and diagnosed that the fuel pump flange and hoses needed to be replaced. The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure and informed the contact that they would cover the part replacement. The failure mileage was 143,839.

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Driving at 65mph on a busy highway and the car stalled out. Very dangerous situation. Power came back after a few seconds,.

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I just purchased an 08 Audi A4 3. 2l cabriolet almost 2 months ago with 16k miles on it. After 3 weeks, and approximately 800 miles later, my check engine light came on. I took it to the used car dealership I bought it from (Mazda) and was sent to Audi. I took it to Audi and they couldn't get me in for 1. 5 weeks. I finally got it in, and they said they cleaned my valves and changed 3 injectors due to a carbon build up. 2 1/2 weeks later, light is back on. I called the Audi dealership, can't see me for another 2 weeks! I did some research and found a full thread of a lot of complaints about this same issue for this year/engine size from Audi and vw. Audi is claiming there is no issue and the gasoline is at fault. I use only top tier gasoline as recommended. . Read more...

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2010 Audi A4 2. 0t has a serious lag problem which leads to acceleration surge especially when making turns. It is difficult to control.

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2008 Audi A4 stalled without warning while driving. This almost caused an accident with other drivers. When the vehicle was restarted it would move a few yards before stalling again. The vehicle was towed to the nearest dealer. It turned out the stalling was due to a defective fuel pressure regulator.

The contact owns a 2004 Audi A4. While driving 20 mph, the vehicle suddenly shut off. The contact waited a few minutes and was able to restart the vehicle. He then heard a buzzing sound coming from the rear of the vehicle. Whenever he accelerated, the buzzing sound would intensify. Three weeks before the failure occurred, the contact heard a slight buzzing sound coming from the rear of the vehicle. The vehicle has not been diagnosed by the dealer. The current mileage was 60,000 and failure mileage was 57,000.