Lincoln Mark LT P0123: TPS “A” Circuit → High Input

  P0123 is a relatively common OBD-II code.  It’s generic, which means it has the same meaning for the Lincoln Mark LT as it would any other vehicle. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited. … Read more

Lincoln Mark LT P0327: Knock Sensor → Low input

  P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Lincoln Mark LT as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or … Read more

Lincoln Mark LT: Door Ajar Warning Stays On

  Your Lincoln Mark LT’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 … Read more

Lincoln Mark LT Transmission Overheating: Causes and Diagnosis

Transmissions are an integral part of any vehicle, and overheating can lead to costly repairs or even permanent damage. Lincoln Mark LT 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 … Read more

Lincoln Mark LT: SRS On Diagnosis

  When you start your Lincoln Mark LT, 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 … Read more

Lincoln Mark LT P1000: OBD Readiness Test Not Complete

P1000 is a manufacturer specific trouble code.  In the case of Ford vehicles manufactured by Ford (including the Lincoln Mark LT), 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 … Read more

Lincoln Mark LT Radiator Leak: Symptoms, Causes, Fix

The Lincoln Mark LT is particularly susceptible to radiator leaks, which can cause the engine to overheat and lead to costly repairs, such as a bad head gasket or a cracked head. It is essential to address any radiator leaks immediately in order to prevent extensive and expensive damage to the engine. Identifying the symptoms … Read more