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Re: '85 UrQ Questions



The sending unit on the head below plug #1 is indeed a temp sensor. It tells 
the ECU when to change from cold to warm to hot frequency valve cycles. It is 
crucial for the ECU to operate as programed. It should read approximately 
120-150 when cold to about 1200 when hot (notice the "about").
(List experts feel free to correct)

Dennis