P0741 Chevy Colorado

P0741 is a very common trouble code.  It’s know to affect the Chevy Colorado quite often.  Here’s what it means: P0741:  Torque Converter Clutch Circuit → Performance or Stuck Off The Colorado uses a clutch in the torque converter to lock the engine and transmission together at highway speed.  P0741 can register whenever this connection … Read more

P0121 Pontiac Sunfire

P0121 is a somewhat common trouble code with the Pontiac Sunfire. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more

Chevy Cavalier P0455: Meaning, Causes, + How to Fix

P0455 in the Chevy Cavalier is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Cavalier. But, whenever the check engine light is on, it’s … Read more

Chevy Cavalier P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Chevy Cavalier is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Chevy Tahoe P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Chevy Tahoe has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your vehicle’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

Chevy Spark P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Chevy Spark has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

Chevy Sonic P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Chevy Sonic has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

P0121 Pontiac G8

P0121 is a somewhat common trouble code with the Pontiac G8. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more

Chevy S10 P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Chevy S10. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, … Read more