Pontiac G5:  Clutch Slipping → Diagnosis

Your Pontiac G5’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the automatic … Read more

Pontiac G5:  Engine Sputtering (Causes + Diagnosis)

A sputtering engine can indicate a number of problems.  If your Pontiac G5 has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter.  Your G5’s engine is a giant pump.  It pulls in air (where it is measured by the mass airflow … Read more

Pontiac G5:  Brake Pedal Going to Floor Diagnosis

The single most important safety feature in your Pontiac G5 is a good set of brakes.  If your brake pedal is going to the floor, it indicates that there is a serious problem in the braking system.  When the pedal goes to the floor, it’s usually caused by a bad master cylinder, leaking brakes, bad … Read more

Pontiac G5:  Hard Shift Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Pontiac G5 has a hard shifting transmission is not only can be uncomfortable to drive, it can be a sign of some serious problems.   Transmission Shifting Hard Diagnosis:  Pontiac G5 Here is a list of practical things that most people can … Read more

Pontiac G5:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the G5’s wheel. They work together with the calipers and brake pads to slow down your Pontiac G5. 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

Pontiac G5: Bad Motor Mount → Symptoms + Diagnosis

While your Pontiac G5’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

Pontiac G5:  Bad ECM → Symptoms + Diagnosis

Your Pontiac G5’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your G5 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

Pontiac G5 P0354:  Coil Pack “D” Malfunctioning – Diagnosis

P0354 is a generic OBD2 code that indicates that ignition coil “D” has an issue with the primary or secondary wiring circuits.  If your Pontiac G5 has thrown this code, it may be accompanied by P0304.  P0354 is a relatively straightforward diagnosis and is typically caused by a bad coil pack or wiring harness issue, … Read more