Chevy Cobalt: Battery Saver Active → Diagnosis

Many modern GM made vehicles have a battery saver feature, this includes the Chevy Cobalt.  If you are getting a “battery saver active” message, it means that your Cobalt’s electrical system voltage has dropped to a critical level (less than 11.7 volts).  Typical electrical systems run at 13+ volts with the engine running.  The battery … Read more

Chevy Cobalt:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the Cobalt’s wheel. They work together with the calipers and brake pads to slow down your Chevy Cobalt. Due to braking friction, rotors have to withstand and dissipate a tremendous amount of heat. This causes the rotor surface to be uneven making the brake pedal feel … Read more

Chevy Cobalt: Bad Motor Mount → Symptoms + Diagnosis

While your Chevy Cobalt’s engine mounts can last the life of the entire vehicle, it is possible that they will go bad.  Vibration and a clunking sound are the two most noticeable symptoms when driving the vehicle.  There are plenty of visible signs as well. Engine mounts connect the engine to the frame of the … Read more

Chevy Cobalt:  Bad ECM → Symptoms + Diagnosis

Your Chevy Cobalt’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Cobalt can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Chevy Cobalt P0353 Diagnosis

P0353 is a generic OBD2 code that indicates that ignition coil “C” has an issue with the primary or secondary wiring circuits.  It has the same meaning for the Chevy Cobalt as it would any other vehicle.  It is typically caused by a bad coil pack or wiring harness issue, although there can be caused … Read more

Chevy Cobalt P0087:  Fuel Rail/System Pressure → Too Low

P0087 is a relatively common OBD II trouble code.  This code indicates that there is an issue with getting enough fuel pressure to the fuel rails.  It’s generic, which means that it has the same meaning for the Chevy Cobalt as it would any other vehicle. This code is most common on vehicles that use … Read more