P0042: HO2S Heater Control Circuit (Bank 1 Sensor 3)

Ever had your check engine light flicker on like an unwelcome Christmas decoration? If you’ve got a P0042 code lighting up your dashboard, you’re in for a treat. This pesky little trouble code is all about the HO2S Heater Control Circuit for Bank 1 Sensor 3. Don’t worry, it’s not as complicated as it sounds. … Read more

P0043: HO2S Heater Control Circuit Low (Bank 1 Sensor 3) – Don’t Let This Hot Mess Leave You Cold

Is your check engine light on? You might be dealing with the P0043 diagnostic trouble code. Don’t worry, we’ve got you covered! P0043 indicates a problem with the heating element in your oxygen sensor, specifically Bank 1 Sensor 3. This little gizmo plays a crucial role in keeping your engine running smoothly and efficiently. When … Read more

Check Engine Light:  Why It’s on and What to Do

The check engine is the most common warning light that appears on the dashboard.  Well over half of this site’s content is related to solving the various reasons why the check engine light comes on. The good news is that the check engine light indicates that there are Diagnostic Trouble Codes (DTCs) stored in your … Read more

GM P1174 + P1175 Codes: Causes + How to Fix

P1174 and P1175 are GM-specific DTCs (Diagnostic Trouble Codes). They indicate fuel bank trim issues on bank 1 and bank 2. Quick Info GM P1174 + P1175 Definition Fuel Trim Cylinder Balance (Bank 1 or Bank 2) Symptoms Mild misfire, MIL light Common Causes Bad O2 sensors, spark plugs, or fuel injectors Breakdown Risk? Almost … Read more

Nissan P1217:  Meaning, Causes, How to Fix

If your Nissan has the P1217 trouble code, don’t worry. You can fix it yourself. This article will show you how. Always start diagnosing P1217 by confirming that the engine coolant level’s where it needs to be.  If the radiator overflow is empty, don’t fill it up while your engine is overheating.  The cold coolant … Read more

P0100 OBD2 Code:  Meaning, Causes, + How to Fix

P0100 is a generic OBD2 trouble code that indicates an issue with your vehicle’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 the MAF sensor without checking the electrical system and cleaning/testing … Read more

P0200 Code: Causes + How to Fix

P0200 is a common OBD II error code. It indicates an issue with your vehicle’s fuel injection system. Specifically, the fuel injector circuit is out of range (in terms of voltage). P0200: Quick Info Definition P0200: Injector Circuit Malfunction Frequent Symptoms Check engine light, engine misfire, runs rich or lean, loss of MPG Common Causes … Read more

P0234 OBDII Code: Causes + How to Fix

The modern automobile’s electrical system provides early warning signs of possible trouble. Each of those warnings has a unique error code to help with the diagnosis.  P0234 is a standard OBD2 trouble code. In layman’s terms, it indicates a potential problem with an engine’s forced induction system. A buildup of pressure can trigger the sensor … Read more