Mazda 1.8L Index of Articles

In this tutorial I'll explain what a trouble code P0123: Throttle Position Sensor Circuit High Voltage means and what's involved in diagnosing and repairing its... [read more]

In this tutorial I'll explain what a trouble code P0122: Throttle Position Sensor Circuit Low Voltage means and what's involved in diagnosing and repairing its cause. I'm... [read more]

As the engine in your car starts to age and accumulate miles, the piston rings and cylinder head valves start to wear. Eventually they'll reach a point of wear and tear... [read more]

Testing the mass airflow sensor on your 1.8L Mazda Protegé involves three simple tests. These three tests can be performed with a simple multimeter. That's right, you don't... [read more]

Testing for a blown head gasket on your 1.8L Mazda Protegé is not that hard. I can tell you that it's something you can do without having to take your car to the auto repair... [read more]

As your 1999-2000 1.8L Mazda Protegé starts to age, sooner or later it will have a fuel injector fail or get clogged. In either of these cases, the fuel injector problem... [read more]