Audi A4 P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Audi A4.  It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more

Audi A4 P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Audi A4 P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents … Read more

Audi A4 P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Audi A4. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Audi A4 P0302: Cylinder 2 – Misfire (Causes + How to Fix)

P0302 in the Audi A4 is a common OBD II trouble code. It indicates that your car’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your A4’s check engine light to come on, you shouldn’t drive your car at … Read more

Audi A4 P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Audi A4. It indicates an issue with your car’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your A4’s oil. If the oil level is too low, the camshaft … Read more

Audi A4 P0010: Causes + Likely Fix

P0010 is a relatively common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Audi A4 can have VVT and is prone to developing this code. P0010 is often by low or sludgy oil. Check your A4’s oil as soon as possible. P0010 is a … Read more

Audi A4 P0301: Cylinder 1 – Misfire (Causes + How to Fix)

P0301 is a fairly common trouble code with the Audi A4. It’s an OBD2 code and indicates that your car’s first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your A4.  Fixing P0301 should be considered a high priority. Unlike a lot of … Read more

Audi A4 P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Audi A4. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, … Read more

Audi A4 P0500: VSS – Circuit Malfunction

  P0500 is a OBDII trouble code that affects the Audi A4‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The A4 uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and … Read more

Audi A4 P0507 Code: Meaning, Causes, How to Fix

P0507 is a fairly typical OBDII trouble code that can occur in the Audi A4. It is typically triggered when the engine idle speed is 200 rpm or more over the predetermined limit set by the Audi It is a generic code, which means that it has the same meaning for the Audi A4 as any other vehicle. … Read more