Will an unhooked knock sensor cause a 1991 s10 blazer not to start?

Question

It wont even back fire it just turns over like the coil is unhooked although it is not and is getting spark and fuel?

Answer 1

yup so why dont you plug it back in and find out.

Answer 2

The knock sensor is related to the ignition timing. The truck should run with it unhooked. The worst problem that would cause would be a check engine light. Good luck.