Audi Q3 P2181: Symptoms, Causes & Diagnosis

P2181 indicates that your Audi Q3 has an observed cooling system temperature that is too high or too low. It will come up in the scan tool as “Cooling System Performance”. The trouble with P2181 is that by itself, it’s not narrowing much down.  There could be a problem with your Q3’s cooling system, temperature … Read more

Audi Q3 Overheating While Idle: Causes + Fix

There are a few reasons why your Audi Q3 would be overheating when idling.  The most common ones include a bad thermostat, water pump, electric fans, and low coolant level.  This guide is intended to help you find the cause of this overheating in the most efficient way possible.  So, let’s start with what’s easy … Read more

Audi Q3:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Audi Q3 is a generic OBD II code.  In layman’s terms, it means that the MAP (manifold absolute pressure) and/or MAF (mass airflow sensor) are providing the Q3’s computer contradicting data compared to what it should be in relation to the throttle position sensor. The throttle position sensor tells the computer how … Read more

Audi Q3: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Audi Q3’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your Q3’s engine would smoke include overheating, burning oil, or … Read more

Audi Q3 Hesitating to Start (5 Most Common Reasons)

While it may not leave you stranded, a vehicle that hesitates to start can be very concerning. There are a few reasons why your Audi Q3 may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Audi Q3 Hesitates to Start: Causes Here are some of the most … Read more

Audi Q3:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Audi Q3’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your Q3.  If you have a bad sway bar link, your vehicle will … Read more

Audi Q3 Shuts Down While Driving (Common Causes)

If your Audi Q3 is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering. Below is a list of the most common reasons your Q3 would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more

Audi Q3:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Audi Q3 has.  They let other drivers know when you are slowing down, and that they need to slow down too.  If your brake lights aren’t working, you’re way more likely to get rear ended than normal.  The good news is that troubleshooting … Read more

Audi Q3: What’s Causing That Rotten Egg Smell?

One of the most undervalued diagnostic tools is the human nose.  There’s a lot our nose can tell us about a vehicle with a few quick sniffs.  If you happen to smell a rotten egg smell coming from your Audi Q3, it is certainly a cause for concern.  It is most commonly associated with a … Read more

Audi Q3 Dies After Starting Diagnosis

It can be very disconcerting if your Audi Q3 is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your Q3’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more