GM engines include a feature, called the engine metal overtemp mode , whereby at temperatures above _____ the PCM will selectively disable half of the cylinders at a time on a V6 or V8 engine to keep the engine temperature from reaching destructive levels.
A)70ºF
B)170ºF
C)270ºF
D)370ºF

Question

Quizplus · Accepted Answer

The engine metal overtemp mode is activated at temperatures above 270ºF to prevent engine damage by reducing the heat generated.

GM Engines Include a Feature, Called the Engine Metal Overtemp