Toyota 1.8L Index of Articles

How To Test The Rear O2 Heater -P0141 (1998-2002 1.8L Corolla)

How To Test The Rear O2 Heater -P0141 (1998-2002 1.8L Corolla)

Testing trouble code P0141: Heated Oxygen Sensor Circuit (Sensor #2) on your 1.8L Toyota Corolla involves two basic tests. These two are: making sure the rear O2 sensor's heater is getting power and ground, and then checking the heater's internal...   read more >>

Front Oxygen Sensor Heater Test -P0135 (1998-2002 1.8L Toyota Corolla)

Front Oxygen Sensor Heater Test -P0135 (1998-2002 1.8L Toyota Corolla)

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 >>

How To Test The Fuel Injectors (Toyota 1.8L)

How To Test The Fuel Injectors (Toyota 1.8L)

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 >>

Driver Side Fuse Panel (1993-1996 Toyota Corolla)

Driver Side Fuse Panel (1993-1996 Toyota Corolla)

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 >>

Diagnosing A Toyota Corolla Misfire Case Study (Toyota 1.8L)

Diagnosing A Toyota Corolla Misfire Case Study (Toyota 1.8L)

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 >>

How To Test The TP Sensor (1998-2002 1.8L Toyota)

How To Test The TP Sensor (1998-2002 1.8L Toyota)

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 >>

How To Test The Ignition COP Coils (Toyota 1.8L)

How To Test The Ignition COP Coils (Toyota 1.8L)

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 >>

How To Test The Intake Air Temp (IAT) Sensor (Toyota 1.8L)

How To Test The Intake Air Temp (IAT) Sensor (Toyota 1.8L)

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 >>

Misfire Codes: How To Troubleshoot And Repair Them (Toyota 1.8L)

Misfire Codes: How To Troubleshoot And Repair Them (Toyota 1.8L)

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 >>

How To Test The MAF Sensor (1.8L Toyota Corolla)

How To Test The MAF Sensor (1.8L Toyota Corolla)

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 >>