GM 3.4L Index of Articles

In this tutorial I'm going to explain how to test the mass air flow (MAF) sensor using a multimeter. All the tests are explained in a step-by-step manner so you can easily... [read more]

The mass airflow (MAF) sensor is an important component of the engine management system on your 3.4L V6 Buick (Oldsmobile). In this article I'll answer some of the most... [read more]

An engine compression test can give you a wealth of information about the internal health of the engine. But beyond that, it can also let you know if an engine compression... [read more]

The throttle position sensor is a simple 3 wire engine management component, as such it's super easy to test! In this tutorial I'll show you how to test it. You'll easily... [read more]

The crankshaft position sensor can be considered the beating heart of the ignition system. And your 3.4L V6 Buick (Oldsmobile) comes equipped with two of them (a 7X CKP... [read more]

The throttle position sensor (TPS) is a very important component of your vehicle's engine management system. The fuel injection computer relies on it heavily to be able to... [read more]

This typical and simplified fuel injector wiring diagram applies to: 1995 3.4L Oldsmobile Cutlass Supreme. The fuel injectors are located underneath the intake... [read more]

The spark plug is not much to look at, but oh boy does it have a big job to do! Your 3.4L V6 engine comes equipped with six of them. In this article I'll answer some of the... [read more]

This simplified ignition system wiring diagram applies to the following vehicles: 1995 3.4L DOHC V6 Oldsmobile Cutlass Supreme. This typical circuit diagram includes... [read more]

There are 4 tests that are performed to find out if a vehicle has a blown head gasket or not. In this tutorial I'm going to explain how to do each one. By the way, two of... [read more]