Why does my Audi A4 have an acceleration problem?

The problem: Affected vehicles may exhibit a rough engine idle and hesitation/stumble on acceleration. This may be due to a faulty mass airflow sensor. Vehicles affected by this service bulletin: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi A4 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi Allroad

Why does my Audi not accelerate when idle?

The problem: Affected vehicles may exhibit a rough engine idle and hesitation/stumble on acceleration. This may be due to a faulty mass airflow sensor. Vehicles affected by this service bulletin:

Is there a problem with the Audi Q5?

2009-2016 Audi Acceleration Issue. 2015 Audi Q5; The problem: Affected vehicles may exhibit a rough engine idle and hesitation/stumble on acceleration. This may be due to a faulty mass airflow sensor.

What kind of acceleration does an Audi Q5 have?

2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi Q5 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi TT Corrective action: Dealers will diagnose the condition, and if confirmed, replace the mass airflow sensor.

Are there any issues with the Audi A6 C6?

When it comes to measuring the reliability of the (2008-2011) Audi A6 C6, you first need to consider several key areas, including common problems, the repairs needed to correct those problems, and standard maintenance costs. Together, this information will provide a more accurate assessment of this popular, high-performance luxury vehicle.

What happens when the engine is running at low rpm?

When the engine is running at low RPM, lower temperatures in the combustion chambers prevent all the fuel from burning, so the flow of unburned hydrocarbon gases coming out of the tailpipe increases significantly. The Check Engine light (or Malfunction Indicator Light, MIL, depending on your model) illuminates on your dashboard.

Is there a lag in the Audi A6?

The A6 was never without a bit of lag but once run in was by no means dangerous, when new it was!!! I tested both 309 and 326bhp SQ5s and noticed throttle delay/lag from stand still.

Are there any problems with the 2011 Audi A4?

Curious how the 2011 A4 compares to other years? Check out our Audi A4 overview to see the most problematic years, worst problems and most recently reported complaints with the A4. Bump the A4 problem graphs up another notch.

Why does my car hesitate when I press the gas?

So when the stoplight turns from red to green, you punch the gas pedal, hoping to sail through the intersection a little, um, faster than usual. But instead of moving when you hit the gas pedal, your car hesitates. Juuust long enough for every car behind you to honk, flip you the bird, or angrily swerve around you.

Is it time to move on from Audi A4?

Donate your AUDI A4! Is it time to move on? Support NPR & the programs you love. Donate your old car in minutes through the CarTalk Vehicle Donation Program. Click on a category below for details. Help?

Why does my car keep bucking at 4, 000 rpm?

As the throttle is applied the engine is asked to increase the rate of combustion, in most cases up to 4,000 RPMs during the acceleration process and before the transmission shifts into a higher gear. Some of the more common reasons why an engine will stumble through this process may include the following individual components:

How to troubleshoot a hesitating or bucking car?

Step 1: Physically inspect the fuel filter. If the fuel filter is dirty like the image on the right, it’s probably causing a restriction of fuel flow to the engine and should be replaced. Step 2: Check for leaks coming from fuel filter connections. The fuel line is spliced between two fuel lines.

The problem: Affected vehicles may exhibit a rough engine idle and hesitation/stumble on acceleration. This may be due to a faulty mass airflow sensor. Vehicles affected by this service bulletin:

How often does an Audi A4 Avant slurp down oil?

I love my 2010 Audi A4 Avant, its the third Audi I’ve owned but it slurps down oil at an average rate of a Qt every 670 miles. My previous cars which included two Audis (a 2004 S4 Avant and an 2007 AllRoad V8 never needed the hood opening between services.

How much horsepower does the Audi A4’s line have?

2018 Audi A4 S-Line Quattro – Acceleration, Driving and Tour – YouTube POV carving up some country roads in Audi’s impressive redesigned A4 Quattro, sporting 252hp and ‎273 lb-ft at only 1600rpm. BMW and Mercedes, eat your heart…

What to do if your Audi A4 starts to slip?

Instead, take your car to a shop such as Desert Oasis European Auto Service and Repair as soon as possible. Some of the more common issues Audi car owners should know are covered here. The torque converter ’s clutch begins to slip over time in Audi A4 and Audi A6 models.

What to do if your Audi A4 has a transmission problem?

The following common transmission problems are usually accompanied by the appearance of the “ Check Engine ” light on the dashboard of your Audi A4 or A6. Do not ignore this warning. Instead, take your car to a shop such as Desert Oasis European Auto Service and Repair as soon as possible.

Why does my Audi A4 have lag delay?

Even in dynamic mode the gearbox isn’t as responsive as the ZF 8 speed box in the BMW 4 series my wife has when in comfort mode. It’s s real shame. I like my A4 but wish I’d got a lower powered one as I can’t really enjoy the power due to the gearbox.

Why does my Audi A5 hesitate under light acceleration?

There is a solenoid that activates the camshaft/valve mechanism to transition the engine from “power” to “economy” mode between 3000-4000 rpm under light acceleration. When the system is deactivated, the hesitation (lurch, misfire feeling) doesn’t occur, however the car won’t operate normally with the system deactivated.

What makes an Audi A4 have a delay?

We have @CH 12 stating that a B8 with s/c engine and s-tronic was fine, but now the B9 with turbo engine and ZF box has a delay. Then we have @rich_16 stating that an A4 with turbo diesel engine and s-tronic has delay. That makes the common factor a turbo.

What to do if you have an Audi acceleration issue?

What owners should do: Call your local dealer with your vehicle’s identification number to determine if your vehicle is involved in this service bulletin. You can call Audi at 800-822-2834 or the National Highway Traffic Safety Administration hotline at 888-327-4236. Reference TSB No. 241551. Need to find a dealer for service?