If your Chevy Impala has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your car gets louder with speed. We’ve also provided an audio sample of each issue to help determine …
Read More »Chevy Impala P0073: Meaning, Causes, & How to Fix
P0073 is a common OBD2 trouble code that can affect the Chevy Impala. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your car’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating …
Read More »Chevy Impala P0725 Code: Meaning, Causes, + Diagnosis
P0725 is a common OBD2 code that can occur in the Chevy Impala. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …
Read More »Chevy Impala C0035: Causes, Diagnosis, + Likely Fix
C0035 is a manufacturer-specific chassis trouble code that can occur in the Chevy Impala. GM designated C0035 to indicate an issue with the left front wheel speed sensor. Replacing your Impala’s left front wheel speed sensor is the most common fix for C0035, but it’s not the only one. C0035 …
Read More »Chevy Impala: Engine Power Reduced
Many late model GM-made vehicles, such as the Chevy Impala use an “Engine Power Reduced” mode when they detect a potentially catastrophic problem. Reduced engine power has been known to come on at very inopportune times (such as while driving on the highway). Many components can cause the engine power …
Read More »Chevy Impala P015B: Meaning, Causes, & Diagnosis
P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Chevy Impala, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by …
Read More »Chevy Impala: DRL Warning Light On – Causes + Fix
Daytime running lights (or DRL) are specialized lights that come on when your Chevy Impala’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your Impala’s DRL warning light is on, …
Read More »Chevy Impala P2279 Code: Meaning, Causes, and Diagnosis
P2279 is a generic OBD-II code. It indicates there is a vacuum leak coming from your Chevy Impala’s air intake system. While P2279 is a generic code (it has the same definition for the Impala as it would any other vehicle made after 1996), repair steps will vary based on …
Read More »Chevy Impala P0605: Meaning, Causes, + Fix
P0605 is a relatively rare OBD-II trouble code that can occur in the Chevy Impala. It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car …
Read More »Chevy Impala P0116: Meaning, Causes, + Diagnosis
P0116 indicates that your Chevy Impala’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it …
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