Code42

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Jun 26, 2021 | 11:04 AM

Rafi35

Thread Starter

Junior Member

Joined: Jun 2021

Posts: 1

Code42

Hi new with Corvette c4 1988 I got it now I have some ignition issues sure someone can help me

Jun 27, 2021 | 10:38 AM

74HARLEY

Senior Member

Joined: Nov 2020

Posts: 427

From: Gig harbor.Wa. Bethel island Ca

Possible causes:· EST circuit open or grounded.· Bypass circuit open or grounded.· Reference Ground circuit open or shorted to battery +.· A bad computer to engine circuit ground.· A defective ignition module.· A defective computer.good luck! Welcome to the forum