Toyota 4Runner P0776: Meaning, Causes, + Diagnosis

P0776 is a generic OBD2 code that can occur in Toyota 4Runner’s equipped with an automatic transmission. This code indicates that the pressure control solenoid “B” inside your 4Runner’s transmission is having a performance issue, or is stuck in the off position. P0776 Definition: Pressure Control Solenoid “B” – Performance/Stuck Here’s the definition of P0776, … Read more

Toyota 4Runner P0400: Meaning, Causes, + Diagnosis

P0400 is a standard code that indicates your Toyota 4Runner’s EGR system is not working. The good news is that this code is not a breakdown risk and should not affect how your 4Runner runs (assuming it’s the ONLY code). P0400 is a generic code, which means it has the same definition for the 4Runner … Read more

Toyota 4Runner P0103: MAF Sensor Voltage Too High

P0103 is a common generic OBD2 trouble code that can occur in the Toyota 4Runner. In plain English, it means that the MAF sensor voltage signal is outside of the accepted range (too high). It’s important to understand what the MAF sensor does. It measures the air density and volume between the air filter and … Read more

Toyota 4Runner P0106: Meaning, Causes, and Diagnosis

P0106 is a very common OBD2 trouble code that can occur in the Toyota 4Runner. Simply put, this code indicates that the signal coming from the MAP sensor is not what it should be. P0106 Definition: MAP Sensor – Range/Performance P0106 is a generic OBD2 code, which means that it has the same definition for … Read more

Toyota 4Runner P0107: Meaning, Causes, and Diagnosis

P0107 is a relatively common OBD2 trouble code that can occur in the Toyota 4Runner. In plain English, it indicates that the voltage coming from the MAP sensor is below the normal operating range. P0107 Definition: MAP Sensor – Circuit Low Input It’s a generic code, so it has the same meaning for the 4Runner … Read more