MSI

Is it possible to replace an O2 sensor? When it comes to replacing a faulty O2 sensor, you have a couple options. Because sensors are plug-and-play, you may be able to do the replacement yourself. That said, sensors are not always easy to access. Even worse, sometimes the old sensors can seize in place, making them very difficult to remove. How does an optical SPO2 sensor measure oxygen? Optical SpO2 sensors use red and infrared light sensors to detect your oxygen levels, sensing changes in those levels by looking at the color of your blood. It measures the volume of...

When did GM stop making 12 bolt differentials? They were used until the end of production in 1987. Blazers from 1969 through 1981 also used this differential (four-wheel-drive Blazers had it installed on the rear only). Cover Charge At a quick glance, you can also tell when you’re looking at a truck 12-bolt, because the rearend cover has an irregular shape. What kind of differential does a GM C10 have? The Type-2 differential is typically found in cars that came with smaller-displacement V8 engines, and were not intended to be used in high-performance applications. The ’68 to ’72 C10 is...