If your Volkswagen Jetta 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 »Volkswagen Jetta Air Conditioner Not Working: Causes + Fix
If your Volkswagen Jetta’s AC system is not working, it can be uncomfortable and downright dangerous on a hot day. There are A LOT of issues that can cause your car’s air conditioner to fail. This article is broken down into these three sections to help save you time repairing …
Read More »Volkswagen Jetta Dash Light Flicker and No Start: How to Fix
Dash lights flickering and failure to start is a very common issue that can happen to the Volkswagen Jetta. While your first impulse may be to think that there is something wrong with your car’s starter (and it is possible), it’s usually caused by an issue with the battery or …
Read More »Volkswagen Jetta P0088: Causes + Likely Fix
P0088 is a common OBD2 trouble code that can occur in the Volkswagen Jetta. In layman’s terms, it indicates that your car’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Jetta’s model year, engine type, and how it regulates fuel …
Read More »Volkswagen Jetta P0678 Code: Cylinder 8 – Glow Plug Circuit
P0678 is a common diagnostic trouble code found in diesel engines. It’s a generic code, which means it has the same meaning for the Volkswagen Jetta as it would any other vehicle made for the 1996 model year+. P0678 indicates that the eighth cylinder glow plug is not heating its …
Read More »Volkswagen Jetta P0725 Code: Meaning, Causes, + Diagnosis
P0725 is a common OBD2 code that can occur in the Volkswagen Jetta. 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 »Volkswagen Jetta P0523: Meaning, Causes, + Likely Fixes
P0523 is a standard OBD2 trouble code that can occur in the Volkswagen Jetta. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …
Read More »Volkswagen Jetta: DRL Warning Light On – Causes + Fix
Daytime running lights (or DRL) are specialized lights that come on when your Volkswagen Jetta’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 Jetta’s DRL warning light is on, …
Read More »Volkswagen Jetta P2271: Meaning, Causes, + Diagnosis
P2271 is a generic DTC trouble code that can affect the Volkswagen Jetta. It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The …
Read More »Volkswagen Jetta P2279 Code: Meaning, Causes, and Diagnosis
P2279 is a generic OBD-II code. It indicates there is a vacuum leak coming from your Volkswagen Jetta’s air intake system. While P2279 is a generic code (it has the same definition for the Jetta as it would any other vehicle made after 1996), repair steps will vary based on …
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