Mazda BT-50 P0457: EVAP System – Leak Detected

P0457 is a somewhat common trouble code with the Mazda BT-50. This code references a number that is given to you when you plug your BT-50 into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more

Mazda BT-50 P0455: Meaning, Causes, + How to Fix

P0455 in the Mazda BT-50 is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your BT-50. But, whenever the check engine light is on, it’s … Read more

Mazda BT-50 P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Mazda BT-50. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your truck is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Mazda BT-50 P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Mazda BT-50 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 truck’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

Mazda BT-50 P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Mazda BT-50 is the P0456 code. This trouble code references a number that is given to you when you plug your BT-50 into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is … Read more

Mazda BT-50 P0446: Meaning, Causes, How to Fix

A prevalent issue with the Mazda BT-50 is the P0446 code. This code corresponds to a specific number obtained when connecting your BT-50 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

Mazda BT-50 P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Mazda BT-50 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

Mazda BT-50 P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Mazda BT-50.  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

Mazda BT-50 P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Mazda BT-50 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