Audi TT P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Audi TT’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more

Audi TT P0325 Code: Causes + How to Fix

Having trouble with your Audi TT? Is your check engine light on? You may be getting a P0325 trouble code. This article will explain the causes and how to fix the issue. The knock sensor’s primary role is to detect and monitor any abnormal vibrations or knocking within the engine, which may indicate a potential … Read more

Audi TT P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Audi TT has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

Audi TT P0449: Vent Valve Solenoid – Circuit Malfunction

A somewhat common issue with the Audi TT is the P0449 code. This code references a number that is given to you when you plug it into a OBD2 scanner. P0449 deals with the evaporative emissions control (EVAP) system. It often appears with, or is related other codes, such as P0420, P0446, and very often … Read more

Audi TT P0340 Code: Diagnosis, Causes, How to Fix

One of the more common engine management trouble codes that can occur in the Audi TT is P0340. It’s a generic code, which means it has the same definition for every car or truck made after 1996. P0340 is related to the camshaft position sensor and points to an issue with the wiring harness connected … Read more

P0303 Audi TT: Cylinder 3 Misfire Diagnosis

If your Audi TT has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more

Audi TT P0446: Meaning, Causes, How to Fix

A prevalent issue with the Audi TT is the P0446 code. This code corresponds to a specific number obtained when connecting your TT to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more

Audi TT P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Audi TT is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Audi TT P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Audi TT.  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 TT P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Audi TT 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