Acura CSX P2198: Meaning, Symptoms, Causes + Diagnosis

P2198 is a generic diagnostic trouble code that indicates that your Acura CSX’s B2S1 O2 sensor signal is stuck rich. It does not necessarily mean that the vehicle itself is running rich (although it very well could). DTC P2198 is most likely caused by a bad oxygen sensor, although there are many potential secondary causes. … Read more

Acura CSX P2138:  Symptoms, Meaning, Causes + Diagnosis

P2138 is a generic powertrain code that can affect your Acura CSX’s “drive by wire” throttle system.  It means that your CSX’s “D” and “E” throttle position sensors do not agree with one another on how much far the throttle has been opened.  They should have a similar voltage output.  In this case, they do … Read more

Acura CSX P2196: Definition, Symptoms, Causes + Diagnosis

P2196 is a generic diagnostic trouble code that indicates that your Acura CSX’s first oxygen sensor on bank one is stuck rich. It does not necessarily mean that the vehicle itself is running too rich.  This code is the opposite of code P2195, which indicates the oxygen sensor is stuck lean. P2196 Definition: Oxygen Sensor … Read more

Acura CSX:  P2135 DTC:  Meaning, Causes, and Diagnosis

P2135 is a generic powertrain code that can affect any make or model of vehicle that has a “drive by wire” throttle system (almost every vehicle made today). P2135 TPS Switch “A/B” Voltage Correlation If your Acura CSX has P2135 it is considered “drive by wire”.  Which means that it uses sensors and actuators to control … Read more

Acura CSX P2197: 02 Sensor B2S1 – Signal Stuck Lean

P2197 is a general DTC code that indicates that the signal coming from your Acura CSX’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal.  The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a … Read more

Acura CSX P2195 Causes + Diagnosis

P2195 is a general OBD2 code that indicates that the signal coming from your Acura CSX’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year.  It is most typically caused by a bad … Read more

Acura CSX P2272:  B2S2 O2 Sensor – Stuck Lean

P2272 in the Acura CSX is a general diagnostic trouble code.  It means that the “bank 2” downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, but usually doesn’t).  P2272 is typically … Read more

Acura CSX P2270: Symptoms, Causes, + Diagnosis

P2270 is a general DTC trouble code, which means it has the same meaning for the Acura CSX as it would any other vehicle.  It means that the oxygen sensor located on bank 1 behind the catalytic converter is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that … Read more

Acura CSX:  P1009- VTC Stuck Advanced

P1009 is a common Acura made vehicle trouble code.  This code indicates the VVT advance control is malfunctioning, leaving the engine timing stuck advanced. Many Acura CSX’s use something called a VTC actuator to control the camshaft timing of the engine.  It works by using oil pressure to hydraulically move the camshaft.  This allows the … Read more

Acura CSX P1399:  Random Cylinder Misfire

P1399 is a Acura specific diagnostic trouble code.  It means that more than one of your CSX’s cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out … Read more