Chevy Express P0102: Meaning, Causes, + How to Fix

If you own a Chevy Express, you may have encountered the P0102 trouble code. This code indicates that the Mass Air Flow (MAF) circuit is low and not performing within its specified operating range. When this happens, your van may experience drivability issues such as stalling, lack of power, rough idle, and hesitation. There are … Read more

Chevy Express P0101: Meaning, Causes, and Diagnosis

P0101 code in the Chevy Express is crucial to maintaining your truck’s performance and ensuring it runs efficiently. This code indicates that there is a problem with your van’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

Chevy Express OBDII Code Diagnosis

P0141 is a very common OBDII code that occurs in the Chevy Express. 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 Express

P0113 is an OBDII trouble code that occurs when the Chevy Express’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 Express P0011: What it Means + How to Fix

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

Chevy Express P0441: Meaning, Causes, How to Fix

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

P0303 Chevy Express: Cylinder 3 Misfire Diagnosis

If your Chevy Express has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your van’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more

P0305 Chevy Express

P0305 is a fairly common trouble code with the Chevy Express. 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 Express. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more

P0135 Chevy Express

P0135 is a very common OBDII code that occurs in the Chevy Express. 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

Chevy Express P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Chevy Express. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your van is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more