GM 3.8L Index of Articles

One of the components that you're gonna' have to replace sooner or later on your 3.8L equipped GM car is the blower motor. Thankfully, testing the blower motor is one of... [read more]

If the blower motor in your 3.8L GM vehicle is stuck in only one speed (usually stuck in high) or no blower speeds work, then there's a good chance that the blower control... [read more]

Cleaning the mass air flow sensor on your 3.3L, 3.8L (and some select 3.1L with a MAF sensor) is not hard at all. In this article, I'll show you how to do it and more... [read more]

I love that the Internet allows us to learn from other's experiences. I have learned a lot myself over the years and this website is my way of giving back. The post in this... [read more]

When the fuel pump goes bad on your GM 3.8L equipped car or mini-van, it's going to crank but not start. Although it stinks that your vehicle is not starting, the cool thing... [read more]

OBD II trouble code P0112 Intake Air Temperature Circuit Low Input usually points to a failed intake air temperature (IAT) sensor, but not always. In some cases, the IAT... [read more]

One of the most stressful things to have to experience in life is having the car no start. What makes matters even worse is not knowing what could be the cause of the cranks... [read more]

OBD II trouble code P0113 Intake Air Temperature Circuit High Input usually points to a bad intake air temperature (IAT) sensor, but now always. In this tutorial, I'm... [read more]

This tutorial is a primer that'll help you identify the problem (with your vehicle's automatic transmission) as either being electrical in nature or as being some sort of... [read more]

OBD II trouble code P0420 Catalyst Efficiency Below Threshold (Bank 1) is one of the most common codes encountered on the GM 3.8L equipped cars and mini-vans. In the... [read more]