Buick LeSabre P0446: Meaning, Causes, How to Fix

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

Buick LeSabre P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Buick LeSabre 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

Buick LeSabre P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Buick LeSabre.  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

Buick LeSabre P0430 OBD2 Code Diagnosis

This page will help you troubleshoot the Buick LeSabre P0430 trouble code. In the LeSabre, this code is often caused by a bad oxygen sensor, but there can be other causes as well. We’ll take a look at them below. P0430 technically stands for:   One of the most common trouble codes with all Buick … Read more

Buick LeSabre P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Buick LeSabre. 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

Buick LeSabre P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Buick LeSabre. 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 LeSabre’s oil. If the oil level is too low, the camshaft … Read more

Buick LeSabre 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 Buick LeSabre can have VVT and is prone to developing this code. P0010 is often by low or sludgy oil. Check your LeSabre’s oil as soon as possible. P0010 is a … Read more

Buick LeSabre P0301: Cylinder 1 – Misfire (Causes + How to Fix)

P0301 is a fairly common trouble code with the Buick LeSabre. 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 LeSabre.  Fixing P0301 should be considered a high priority. Unlike a lot of … Read more

Buick LeSabre P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Buick LeSabre. 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