On a vehicle equipped with an immobilizer system, the engine starts for a few seconds and then dies. What is the LEAST likely cause of this?
A) An invalid key was used.
B) A misadjusted doorjamb switch.
C) The immobilizer module has a poor ground.
D) Lost communication between immobilizer module and PCM.

Question

Quizplus · Accepted Answer

A misadjusted doorjamb switch is the least likely cause of the engine starting for a few seconds and then dying on a vehicle equipped with an immobilizer system. The other options (an invalid key, a poor ground, or lost communication) are all potential causes of this issue.

On a Vehicle Equipped with an Immobilizer System, the Engine