Ford Focus: Door Ajar Warning Stays On

  Your Ford Focus’s door ajar message can help you get a door all the way closed when you otherwise wouldn’t notice when it was open.  Over the life of the vehicle, it is possible for the door ajar warning to stay on even when the doors are, in fact, not ajar.   The door … Read more

Ford Focus Transmission Overheating: Causes and Diagnosis

Transmissions are an integral part of any vehicle, and overheating can lead to costly repairs or even permanent damage. Ford Focus owners should be aware of the common symptoms and causes of transmission overheating to prevent potential issues and ensure their trucks remain strong and reliable. In this article, we will discuss the common causes … Read more

Ford Focus: SRS On Diagnosis

  When you start your Ford Focus, the OBD-II system runs a self diagnostic check on all major systems.  If any of these checks fail, you will see a diagnostic warning light on the dash for the corresponding system.  When the SRS system fails this check, you’ll see the SRS light.  SRS stands for supplemental … Read more

Ford Focus P1000: OBD Readiness Test Not Complete

P1000 is a manufacturer specific trouble code.  In the case of Ford vehicles manufactured by Ford (including the Ford Focus), it indicates that the OBD-II monitor testing has not been completed.  This often occurs when the trouble codes have been reset, or the battery has been disconnected/replaced. Auto manufacturers are required to have their OBD-II … Read more

Ford Focus Radiator Leak: Symptoms, Causes, Fix

A leaking radiator in a Ford Focus can cause the vehicle to overheat, leading to expensive engine damage if not addressed quickly. Without prompt attention, a leaking radiator can result in a bad head gasket or a cracked head, causing long-term issues that can be costly to repair. Identifying the symptoms of a radiator leak … Read more

Ford Focus Leaking Heater Core Diagnosis

One of the most common problems that can happen to a vehicle is a heater core leak.  If your Ford Focus has a leaking heater core, it is not a breakdown risk.  Although, it is necessary to make sure that the lost coolant is replaced.  It can cause damage to the vehicle in other ways, … Read more

Ford Focus Bad Starter → Symptoms & Diagnosis

  One of the most common problems that can occur in the life of a vehicle is a bad starter, that includes the Ford Focus.  It is important to determine whether or not it’s a bad starter that is keeping the vehicle from turning over. If your Focus is not starting, don’t assume right away … Read more

Ford Focus: P0720 → OSS Circuit → Malfunction

P0720 is a generic OBD II trouble code, which means that it has the same meaning for your Ford Focus as it would any other vehicle.  It indicates that your Focus’s OSS (Output Shaft Speed Sensor) is reporting a malfunction. It’s typically caused by a bad OSS, or a wiring problem. The OSS works by … Read more

Ford Focus P0520: Oil Pressure Switch/Sensor → Circuit

  P0520 is a common OBD2 trouble code.  It’s generic, which means that it has the same meaning for the Ford Focus as it would any other vehicle.  P0520 indicates that the oil pressure sensor is operating outside of its normal “range”.  It is typically caused by a bad oil pressure sensor switch or a … Read more

Ford Focus P0108:  MAP Barometric Sensor → High Input 

  P0108 is a generic OBD-II trouble code.  It indicates your Ford Focus’s MAP (manifold absolute pressure) sensor’s voltage reading is outside of the normal operating range.  The voltage is too high.  It’s most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into … Read more