DeLorean Tech Wiki

CIS (Constant Idle Speed, and sometimes Constant Injection System) describes the fuel system used in the DeLorean.

A Short CIS Primer[]

Bill Robertson posted a short CIS primer on the DMCNews Yahoo Group. He focuses on how the engine's brass screws and CIS idle adjustments pertain to the DeLorean.


Section D of the DeLorean Workshop Manual covers the DeLorean's fuel system. The Volvo CI Fuel System Manual covers the fuel system in greater detail.

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