Toyota 1.8L Index of Articles

When trouble code P0135: Heated Oxygen Sensor Circuit (Sensor #1) sets, it usually signals a problem with the internal heater of the upstream oxygen sensor. Thankfully, you can easily diagnose this trouble code without any expensive diagnostic...   read more >>

Having a fuel injector go bad doesn't happen every day but it does happen. When one does go bad, it'll cause your Toyota's engine to misfire and it'll idle rough. Testing the fuel injectors on your 1.8L Toyota isn't hard. In this tutorial I'm...   read more >>

In the table below you'll find the fuse location and description of the fuses of the driver side under-dash fuse box on 1.6L and 1.8L 1993-1996 Toyota Corolla. The fuse box is located on the driver side of the dash, below the steering...   read more >>

One of the most common automotive diagnostic issues I'm asked for help with, is diagnosing a car or pick-up that has developed a misfire (rough idle) after a tune-up was done (to it). In the vast majority of cases I've been involved in helping...   read more >>

The throttle position sensor (TPS) on your 1998-2002 1.8L equipped Toyota Corolla can be easily tested with just a multimeter. Not only is this test fast and easy but it's also a very accurate test and will let you know if the TPS is bad (or...   read more >>

In this tutorial, I'm gonna' show you just how easy it is to test the ignition coils on your 1.8L Toyota and find out if one of them is bad or not. These ignition coils are known technically as Coil-on-Plug (COP) ignition coils. If you suspect...   read more >>

In this tutorial I'm gonna' show you how to test the intake air temperature (IAT) sensor of your Toyota equipped with a 1.8L 4 cylinder engine. The intake air temperature (IAT) sensor is part of the mass airflow (MAF) sensor assembly and it can...   read more >>

A misfire condition and its corresponding misfire trouble code can be the result one of many different components having failed... that troubleshooting its cause can seem almost impossible. For example, the misfire code could be caused by a bad...   read more >>

Testing to see if the mass air flow (MAF) sensor on your Toyota 1.8L equipped Corolla is bad (or not) isn't hard. In this tutorial, I'm gonna' show you how to do it with just a multimeter and in step-by-step manner. This tutorial covers 4...   read more >>