Chrysler 300M P0455: Meaning, Causes, + How to Fix

P0455 in the Chrysler 300M 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 300M. But, whenever the check engine light is on, it’s … Read more

Chrysler 300M P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Chrysler 300M. 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

Chrysler 300M P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Chrysler 300M 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

Chrysler 300M P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Chrysler 300M is the P0456 code. This trouble code references a number that is given to you when you plug your 300M 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

Chrysler 300M P0446: Meaning, Causes, How to Fix

A prevalent issue with the Chrysler 300M is the P0446 code. This code corresponds to a specific number obtained when connecting your 300M 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

Chrysler 300M P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Chrysler 300M 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

Chrysler 300M P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Chrysler 300M.  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

Chrysler 300M P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Chrysler 300M 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

Chrysler 300M P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Chrysler 300M P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more