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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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The DRB III tool shows the CMP and CKP sensor data as either 'Lost' or 'Present'. It is information shared on the bus to the scan tool. A 'Lost' sensor can be a wiring, jumped timing, failed sensor or PCM problem. This can be checked while cranking the engine in a 'no-start' case, so the engine doesn't even have to be running. These sensors share common powers and grounds.
 
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