Magnetic sensors are AC signal generating devices that are used to indicate the rotational speed of a wheel or shaft (RPM).

The 200SX is spewing black smoke. The engine bogs badly. Then, just as quickly, the condition corrects itself and the car decides to let us work once more in a smoke-free environment.

Let It Run; Breathe Deep; Clogged Arteries; Tighten Up; Exhaust Leak Sleuth; Camry Coolant Conundrum; Rock And Roll; Head Rush