Ford F350 P0868: Meaning, Causes, & Diagnosis

P0868 is a generic DTC code, which means it has the same definition for the Ford F350 as it would any other vehicle.  This particular code indicates that the transmission fluid pressure is below the minimum operating specs. If your F350 has P0868 the first thing you should do is check the transmission fluid.  If … Read more

Ford F350 P0673: 3RD Cylinder – Glow Plug (Circuit)

P0673 is a common diagnostic trouble code found in diesel engines.  It’s generic, which means it has the same definition for the Ford F350 as it would any other vehicle. This particular code indicates that your F350’s third cylinder glow plug is not working.  This code is typically caused by a bad glow plug or … Read more

Ford F350 P0358: Coil Pack “H” Malfunctioning – Diagnosis

P0358 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “H” (it’s the eighth cylinder). Specifically with the primary or secondary wiring circuits. If your Ford F350 has thrown P0358, it may be accompanied by P0308 (this code indicates that the eighth cylinder is misfiring).  Addressing P0358 should take … Read more

Ford F350 P0672: Cylinder 2 – Glow Plug (Circuit)

P0672 is a common diagnostic trouble code found in diesel engines.  It’s generic, which means it has the same definition for the Ford F350 as it would any other vehicle. P0672 indicates that your F350’s second cylinder glow plug is not working.  This code is typically caused by a bad glow plug or wiring issue.  … Read more

Ford F350 P0357: Coil Pack “G” Malfunctioning – Diagnosis

P0357 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “G” (it’s the seventh cylinder). Specifically with the primary or secondary wiring circuits. If your Ford F350 has thrown P0357, it may be accompanied by P0307 (this code indicates a misfire in cylinder seven).  Addressing P0357 should take care … Read more

Ford F350 P0715: Symptoms, Causes, & Diagnosis

P0715 is a generic, and somewhat rare OBDII trouble code.  If your Ford F350 has P0715, it indicates there is a communication error with the sensor that measures transmission input speed.  Common Causes: A bad transmission speed sensor, shift solenoid, wiring issues, and even low/no transmission fluid can all cause P0715. P0715 Definition: Input/Turbine Speed … Read more

Ford F350 P0671: Causes + Diagnosis

P0671 is a somewhat rare diagnostic trouble code (But a common diesel one).  It’s generic, so it has the same definition for the Ford F350 as it would any other vehicle. P0671 is typically caused by a bad glow plug or wiring issue.  We cover troubleshooting steps in detail below. P0671 Definition: First Cylinder Glow … Read more

Ford F350 P0688: Meaning, Causes, + Diagnosis

P0688 is a relatively rare OBD2 trouble code. It’s a generic code, meaning that it has the same definition for any vehicle made for the 1996 model year and up.  This includes the Ford F350. The most common causes of P0688 are a bad PCM power relay or a wiring issue between the PCM and … Read more

Ford F350 P0685: Meaning, Causes, + Diagnosis

P0685 is a somewhat rare OBDII trouble code. It’s a general code, so it has the same meaning for the Ford F350 as any other vehicle. It indicates that the circuit that provides power to the PCM is not functioning properly.  Most of the time, P0685 will cause your F350 not to start, which leaves … Read more

Ford F350 P0661: Meaning, Causes, & Diagnosis

P0661 is a relatively rare OBD2 trouble code.  It indicates that the electrical reading coming from your Ford F350’s intake manifold tuning valve control circuit (on the bank 1 side) is below its specified operating range. While P0661 is a generic code, so it has the same definition for all vehicles. P0661 Definition: Intake Manifold … Read more