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Acceleration & cruise control

2002 Audi A4 Acceleration problems

Owners have filed 6 complaints about the 2002 Audi A4's acceleration & cruise control with NHTSA - 3% of all its complaints, most recently on December 3, 2010. They describe 2 crashes, 0 fires and 0 injuries. Unintended acceleration, surging, throttle problems and cruise or adaptive cruise faults.

Complaints
6
Recalls
0
Crashes
2
Fires
0
Injuries
0
Deaths
0

Acceleration complaints

Acceleration & cruise control

Tl*the contact owns a 2002 audi a4. The contact stated that while driving 30 mph, the vehicle suddenly accelerated which caused the vehicle to go through an intersection. The contact engaged the brakes to stop and shut the vehicle off. The contact restarted the vehicle and the rpms increased rapidly so the contact had the vehicle towed to an authorized dealer. This failure was the second occurrence. The dealer performed a diagnostic test but could not find the cause for the failure. The dealer suggested that the floor mat had become caught on the accelerator pedal but the contact stated that it had not happened. The failure mileage was 56,600. Updated 01/18/11 *bf updated 01/31/11

Filed Incident Vehicle speed controlNHTSA 10369120
Acceleration & cruise controlCrash

While traveling 15-20 mph vehicle suddenly accelerated. Consumer lost control of vehicle, and hit a small tree to bring vehicle to a stop. Vehicle was looked at by dealer/mechanic, but they were not able to duplicate the problem, and determined there was nothing wrong with it. Consumer was afraid that this vehicle might do the same thing again, and did not want to drive this vehicle. *Ak

Filed Incident Vehicle speed controlNHTSA 10059201
Engine & coolingAcceleration & cruise control

Out of control experience due to unwanted acceleration of vehicle. The vehicle accelerated when the gas pedal was released, the engine revved past the redline, and the vehicle did not slow down when the brakes were engaged and we almost did not make the turn into our neighborhood. Even when we put the vehicle in neutral,the engine did not stop revving. We checked to make sure the cruise control was not on and tried the engine again, only to have the engine rev through the redline when only the brake pedal (and...

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not the gas) was engaged. We turned the car off and pushed it to a safe location where we left it, and called the police (who would not make an incident report) and left a message at the dealership. *Ph

Filed Incident Engine and engine cooling · Vehicle speed controlNHTSA 10038750
Acceleration & cruise controlCrash

Multiple cases of uncontrolled acceleration in 2002 audi a4. 2 Cases last year I had to put the car in neutral and turn off the ignition. All the others have been momentary lasting less than a second. All cases were after I accelerated, the pedal would not come back. The car has been in numerous times for this problem to the dealer who can never find anything wrong. They have documented the problem though. My last time in I discussed the possibility of using the lemon law. I finally had an accident last friday evening pulling off from a light when the people in front of me suddenly braked and my car kept going. *Jb

Filed Incident Vehicle speed controlNHTSA 10013584
Acceleration & cruise control

The problem I am experiencing is a lag in throttle response. When the accelerator is depressed there is a moment where nothing happens then, a second later the car accelerates very rapidly. This especially noticeable when driving in stop-and-go traffic where your foot goes from the brake to the throttle frequently. My wife almost had an accident due to this delay; she was making a left turn across the oncoming lane, when an opening appeared, she depressed the accelerator and for a moment nothing happened, then...

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the car finally goes and puts her right into the path of oncoming traffic. Had the oncoming car not braked, she feels she would have been hit. It is for this reason that I believe this is a safety issue and not a convenience issue. I contacted audi via e-mail to let them know about this and they instructed me to bring the car to the dealer for a diagnosic and road test which I did. The dealer stated that the car is "operating within manufacturer's specs'' and there is nothing wrong with the car. When I followed up with audi they concurred with the dealer and again stated that there is nothing that can be done. I logged-on to an audi allroad forum(audiworld.Com) and many other allroad owners are experiencing the same problems, and getting the same results when they contact audi, which is no aknowledgement of the problem. Some owners report to have had close calls. Many owners feel it is the drive by wire accelerator while others feel it is the transmission. Either way it is dangerous and should be addressed by audi . Dt

Filed Incident Vehicle speed controlNHTSA 768903
Acceleration & cruise control

Unexplained accelleration for 1/2 mile serious safety while no one was injured or physically harmed, they could have been seriously injured. In fact my wife who was driving the car was able to avoid a loaded school bus before she was able to find a spot to pull off the road and disable the vehicle. Car was towed to audi dealer. Dealer unable to determine what caused accelleration. Actually the representative implied that it was impossible for this to happen without a computer code. This is a brand new vehicle...

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approximately 1 week old. Primary driver is joan ashman who is afraid to drive this vehicle again. Since service has not found anything there is nothing else they can do. Deal management has not addressed the issue with us. I have called an left a message for general manager to call. I have contacted audi custer relations and filled a report. They have indicated that it may take some time to investiget to resolve our saftey concern with this particular vehicle.*Ak

Filed Incident Vehicle speed controlNHTSA 762789

Audi A4 acceleration complaints by year

A4 acceleration problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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