Pontiac Firebird P0621: Meaning, Causes, + Diagnosis

P0621 is a generic OBD2 code, which means that it has the same meaning for the Pontiac Firebird as it would any other vehicle. However, it can be challenging to diagnose due to the necessity of removing the instrument cluster. OBD2 P0621 indicates an issue with the circuit that controls the generator lamp, which is … Read more

Pontiac Firebird P0622:  Meaning, Causes + Diagnosis

P0622 is a somewhat rare OBD2 trouble code.  It’s a general code, meaning it has the same definition for the Pontiac Firebird as it would any other vehicle.  This code indicates the generator field coil control circuit is malfunctioning.  It can be a challenge to diagnose. P0622 Meaning:  Generator Field F Control Circuit Malfunction “Generator … Read more

Pontiac Firebird P0650: Meaning, Causes & Diagnosis

P0650 is a somewhat rare OBD2 trouble code.  It is generic, meaning that it has the same definition for any vehicle, including the Toytoa Firebird Your Firebird’s PCM will set P0650 when it detects an issue with the malfunction indicator lamp (MIL), also commonly referred to as the check engine light.   The biggest issue … Read more

Pontiac Firebird P2A00:  Meaning, Diagnosis, & Causes

P2A00 is a somewhat common DTC trouble code.  It is a general code, which means it has the same definition for the Pontiac Firebird as it would any other vehicle.  P2A00 indicates that the Bank 1 Sensor 1 O2 sensor is operating outside of its normal voltage range. If your Pontiac Firebird has DTC P2A00, … Read more

Pontiac Firebird P2007: Causes + Diagnosis

P2007 is a general DTC trouble code.  It is not a very common code.  If your Pontiac Firebird has P2007 it’s usually pretty easy to diagnose, although there are a few different common causes. The most common causes of P2007 are wiring problems with IMRC Actuator, carbon deposits on the IMRC butterfly flaps, or a … Read more

Pontiac Firebird P2006: Causes + Diagnosis

P2006 is a general diagnostic code.  It is applicable to all vehicles made after the 1996 model year, including the Pontiac Firebird. The most common causes of P2006 are wiring problems with IMRC Actuator, carbon deposits on the IMRC butterfly flaps, or a bad intake manifold runner position sensor. P2006 Definition: IMRC – Stuck Closed … Read more

Pontiac Firebird P2005: IMRC Stuck Open (Bank 2)

P2005 is a rare diagnostic trouble (DTC) code.  It indicates that your Pontiac Firebird’s intake manifold runner control (IMRC) on the bank 2 side is stuck open.  The IMRC system is a relatively new technology, which means three things: This code is typically only seen on newer vehicles. It will only get more popular as … Read more

Pontiac Firebird: P2004 Meaning + Diagnosis

P2004 is a somewhat rare diagnostic trouble (DTC) code.  It indicates that your Pontiac Firebird’s intake manifold runner control (IMRC) is stuck open.  The IMRC system is a relatively new technology, which means three things: This code is typically only seen on newer vehicles. It will only get more popular as IMRC technology is used … Read more