P0449 Pontiac Sunfire

A very common issue with the Pontiac Sunfire is the P0449 code. This trouble code is a reference number that is given to you when you plug your Sunfire into a OBDII scanner. P0449 deals with the evaporative emissions control system. It often appears with, or is related other codes, such as P0420, P0446, and … Read more

Pontiac Sunfire P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Pontiac Sunfire. 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

Pontiac Sunfire P0455: Meaning, Causes, + How to Fix

P0455 in the Pontiac Sunfire 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 Sunfire. But, whenever the check engine light is on, it’s … Read more

Pontiac Sunfire P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Pontiac Sunfire owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

Pontiac Sunfire P0446: Meaning, Causes, How to Fix

A prevalent issue with the Pontiac Sunfire is the P0446 code. This code corresponds to a specific number obtained when connecting your Sunfire 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

P0496 Pontiac Sunfire

One of the most common trouble codes with the Pontiac Sunfire is the P0496 code. This code number references a number that is given to you when you plug your Sunfire into an OBDII scanner. Pontiac Sunfire P0496 Symptoms P0496 code in the Pontiac Sunfire will often be accompanied by an erratic idle. The engine … Read more

Pontiac Sunfire P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Pontiac Sunfire 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