Toyota Aygo:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Toyota Aygo is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such as … Read more

Toyota Aygo:  VSC Light Meaning + Diagnosis

The VSC (Vehicle Stability Control) system is a traction/stability control system designed by Toyota and is used on all of their modern cars and trucks, including the Aygo.  Like any other electronics system in a vehicle, it can malfunction.  We’ll go over how the VSC system works and what can cause it to malfunction below. … Read more

Toyota Aygo: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Aygo.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Toyota Aygo:  Clutch Slipping → Diagnosis

Your Toyota Aygo’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

Toyota Aygo:  Engine Sputtering (Causes + Diagnosis)

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

Toyota Aygo:  Brake Pedal Going to Floor Diagnosis

The single most important safety feature in your Toyota Aygo 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

Toyota Aygo Shifting Hard: Causes + Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Toyota Aygo has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. If your car’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. Numerous factors can … Read more

Toyota Aygo:  Warped Rotors → Symptoms & Causes

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