Pontiac Firebird P0327: Knock Sensor → Low input

  P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Pontiac Firebird 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 correcting … Read more Pontiac Firebird P0327: Knock Sensor → Low input

Pontiac Firebird Transmission Overheating: Symptoms + Causes

Overheating is the worst thing that can happen to your Pontiac Firebird’s transmission.  An overheating transmission will drastically shorten its service life.  If you suspect that your transmission is overheating, doing something about it now can keep you from an expensive transmission repair later.  Low transmission fluid is the number one cause of an overheating … Read more Pontiac Firebird Transmission Overheating: Symptoms + Causes

Pontiac Firebird P1682: Ignition 1 Switch → Circuit 2

  P1682 is a diagnostic trouble code that indicates that your Pontiac Firebird’s ignition switch is having a voltage problem.  It is typically caused by a faulty ignition switch, although there can be other causes as well. There are two “circuits” to the ignition switch.  The first one goes to the ECM through the throttle … Read more Pontiac Firebird P1682: Ignition 1 Switch → Circuit 2

Pontiac Firebird Radiator Leaking:  Symptoms + Diagnosis

  Your Pontiac Firebird’s cooling system passes antifreeze throughout its engine.  The main parts of the system are the thermostat, radiator, water pump, coolant itself, and the hoses.  If any of these parts go bad, you may experience radiator a leak.  A radiator leak is very common.  You should notice the leak directly under your … Read more Pontiac Firebird Radiator Leaking:  Symptoms + Diagnosis

Pontiac Firebird: P0720 → OSS Circuit → Malfunction

P0720 is a generic OBD II trouble code, which means that it has the same meaning for your Pontiac Firebird as it would any other vehicle.  It indicates that your Firebird’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 Pontiac Firebird: P0720 → OSS Circuit → Malfunction

Pontiac Firebird 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 Pontiac Firebird 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 Pontiac Firebird P0520: Oil Pressure Switch/Sensor → Circuit