P2006 is a general diagnostic code. It is applicable to all vehicles made after the 1996 model year, including the Chevy Blazer. 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
P2005 is a rare diagnostic trouble (DTC) code. It indicates that your Chevy Blazer’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
P2004 is a somewhat rare diagnostic trouble (DTC) code. It indicates that your Chevy Blazer’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
P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles, including your Chevy Blazer. P2122 indicates that the voltage coming from your Blazer’s throttle position sensor “D” is below the normal operating range. The most common cause of this code is a bad TPS, a … Read more
2104 is a relatively rare OBD-II trouble code. It indicates that your Chevy Blazer’s PCM has disabled the gas pedal, leaving the engine stuck at idle. It’s a generic code, so it has the same definition no matter what type of vehicle has the code. P2104 Definition: Throttle Actuator Control System – Forced Idle There … Read more
P2101 is a general OBD2 trouble code. It has the same meaning for the Chevy Blazer as it would any other vehicle. It is typically caused by wiring issues at the throttle actuator, or a bad throttle actuator itself. P2101 Definition: Throttle Actuator “A” Control Motor – Circuit Range/Performance Throttle Actuator “A” Control Motor Circuit … Read more
P2106 is a somewhat uncommon OBD-II code. It is not manufacturer-specific, so it has the same meaning for your Chevy Blazer as it would any other vehicle. It is an indication that limp mode/failsafe mode has been activated. There is a myriad of problems that can cause P2106. The throttle actuator itself is rarely the … Read more
Modern vehicles use knock sensors to detect engine detonation. This allows the PCM (powertrain control module) to run very aggressive spark timing. If you are concerned that your Chevy Blazer has a bad knock sensor, we’ve listed them out below. A knock sensor works by listening to your engine and determining if your Blazer is … Read more
No matter where you live if your Chevy Blazer’s AC compressor is not turning on, it can turn a pleasant commute into a nightmare (particularly if you have kids that are riding with you). The AC compressor pulley is always being turned by either the serpentine belt or a dedicated belt (it’s going to depend … Read more
U0101 is a generic powertrain code, which means it has the same definition for the Chevy Blazer as it would any other vehicle. It means that your Blazer’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the TCM itself. U0101 … Read more