Buick LaCrosse P0100: Meaning, Causes, How to Fix

P0100 is a generic OBD2 trouble code that indicates an issue with your Buick LaCrosse’s Mass Air Flow (MAF) Sensor.   This code is usually caused by a MAF sensor that is faulty, dirty or a wiring issue related to it. It may be tempting to replace your LaCrosse’s MAF sensor without checking the electrical system … Read more

Buick LaCrosse Sloshing Sound (How to Find and Fix)

A mysterious noise you don’t know the source of is one of the most stressful things that can happen during vehicle ownership. If your Buick LaCrosse is making a sloshing sound while driving it, this is the guide for you. If your LaCrosse makes a sound like sloshing water while driving, this is undoubtedly a … Read more

Buick LaCrosse AC Smells Bad: Smell ID + How to Fix

Does your Buick LaCrosse’s air conditioning smell bad? This article will provide you with some quick and comprehensive list of causes to help eliminate your car’s foul odor.   This guide is broken down into three sections:  AC Smell Reference Table Smell Type Potential Causes Sweet Leaking Engine Coolant, Leaking Refrigerant Mold, Mildew, Fungus Clogged Drain … Read more

Buick LaCrosse P0020: Meaning, Causes, Diagnosis

P0020 is a rarely seen OBD II trouble code that can affect the Buick LaCrosse. It’s a variable valve timing (VVT) related code, indicating a wiring issue with the bank 2 camshaft actuator “A.” P0020 is often by low or sludgy oil. Check your LaCrosse’s oil as soon as possible. P0020 is a generic code, … Read more

Buick LaCrosse P0001: Causes + How to Fix

P0001 is a rarely seen OBD II error code. It indicates an issue with your Buick LaCrosse’s Fuel Volume Regulator (FVR) Control System. P0001 is usually caused by a wiring problem or issue with the fuel volume regulator. The most difficult issue with diagnosing the fuel system is getting to the parts.   P0001 is a … Read more

Buick LaCrosse P0200: Causes + How to Fix

P0200 is a common OBD II error code that can occur in the Buick LaCrosse. It indicates an issue with your car’s fuel injection system. Specifically, the fuel injector circuit is out of range (in terms of voltage). Buick LaCrosse P0200: Quick Info Definition P0200: Injector Circuit Malfunction Frequent Symptoms Check engine light, engine misfire, … Read more

Buick LaCrosse P0011: What it Means + How to Fix

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

Buick LaCrosse P0000: Meaning, Causes, How to Fix

P0000 is a rare OBD2 fault code that can affect the Buick LaCrosse. While there are over 10,000 DTC “P” codes, this is the only one reserved for “no fault detected” in your car’s ECU (engine control unit) memory. It tells the scanner accessing the ECU that no codes are stored. The most common reason … Read more

Buick LaCrosse Battery Light: Why It’s On and How to Fix

If your Buick LaCrosse’s battery light is on, it is trying to warn you that there is an issue with the charging system. The charging system itself is relatively simple.  The battery light comes on because the voltage level at the battery is too low. Quick Facts Common Causes Faulty Battery, Bad Alternator, Battery Cables, … Read more