Chevy Avalanche P0457: EVAP System – Leak Detected

P0457 is a somewhat common trouble code with the Chevy Avalanche. This code references a number that is given to you when you plug your Avalanche into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more

P0128 Chevy Avalanche: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Chevy Avalanche’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the truck. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more

Chevy Avalanche P0456: Meaning, Causes, How to Fix

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

Chevy Avalanche P0101: Meaning, Causes, and Diagnosis

P0101 code in the Chevy Avalanche is crucial to maintaining your truck’s performance and ensuring it runs efficiently. This code indicates that there is a problem with your truck’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. The most common cause of P0101 is a bad MAF sensor. When you encounter the P0101 code, … Read more

P0141 Chevy Avalanche Diagnosis

P0141 is a very common OBDII code that occurs in the Chevy Avalanche. It is caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 1 sensor 2, which is downstream from the catalytic converter. It technically stands for: The purpose of the heated element in the oxygen sensor … Read more

P0113 Chevy Avalanche

P0113 is an OBDII trouble code that occurs when the Chevy Avalanche’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor → High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more

Chevy Avalanche P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Chevy Avalanche. It indicates an issue with your truck’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your Avalanche’s oil. If the oil level is too low, the camshaft … Read more

Chevy Avalanche P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Chevy Avalanche.  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

P0305 Chevy Avalanche

P0305 is a fairly common trouble code with the Chevy Avalanche. It’s and OBD2 code and stands for: P0305: Misfire Detected → Cylinder 5 P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Avalanche. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more

P0135 Chevy Avalanche

P0135 is a very common OBDII code that occurs in the Chevy Avalanche. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more