P0355-Ford-Freestar

P0355 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “E”. Specifically with the primary or secondary wiring circuits. If your Ford Freestar has thrown this code, it may be accompanied by P0305.  P0355 is a relatively straightforward diagnosis and is typically caused by a bad coil pack or wiring harness issue, although … Read more

Ford Freestar P2198: Meaning, Symptoms, Causes + Diagnosis

P2198 is a generic diagnostic trouble code that indicates that your Ford Freestar’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

Ford Freestar P2138:  Symptoms, Meaning, Causes + Diagnosis

P2138 is a generic powertrain code that can affect your Ford Freestar’s “drive by wire” throttle system.  It means that your Freestar’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

Ford Freestar P2196: Definition, Symptoms, Causes + Diagnosis

P2196 is a generic diagnostic trouble code that indicates that your Ford Freestar’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

Ford Freestar:  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 Ford Freestar has P2135 it is considered “drive by wire”.  Which means that it uses sensors and actuators to control … Read more

Ford Freestar P2197: 02 Sensor B2S1 – Signal Stuck Lean

P2197 is a general DTC code that indicates that the signal coming from your Ford Freestar’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

Ford Freestar P2195 Causes + Diagnosis

P2195 is a general OBD2 code that indicates that the signal coming from your Ford Freestar’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

Ford Freestar P2270: Symptoms, Causes, + Diagnosis

P2270 is a general DTC trouble code, which means it has the same meaning for the Ford Freestar 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

Ford Freestar P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Ford Freestar.  It means that your Freestar’s EVAP system has detected low fuel tank pressure. The evaporative emissions control system (EVAP) sends fuel vapors from the fuel tank to the intake manifold to be burned off.  When the pressure in the system is … Read more