Photos of pp. 126-129 of the factory Technical Information Manual, 1981 DeLorean, printed in March, 1981.
These are the troubleshooting charts for the Ignition and Fuel Systems, Charts C1 and C2, respectively.
See related post for the related chart regarding non-start as well as diagnostics for rough-running, misfire or idle problems: http://dmctalk.org/showthread.php?3143