Question about GMC Sonoma
Check the connection to the cam sensor (the ECU cannot see any signal from it). If the electrical connection looks clean and good check the wiring for continuity back to the ECU. If the connection and the wiring are deemed good then remove the cam sensor itself and inspect it. These things become gradually cooked by engine temperature cycles over the years and eventually give up, Sometimes the casing shows signs of cracking Replace the cam sensor ans this should sort the problem...and it is not that expensive or difficult to do.
Posted on Sep 08, 2010
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Posted on Jan 02, 2017
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