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P0638 Diagnostic Trouble Code Discussion for October 2019

Throttle Actuator Control Range/Performance


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Trouble Ticket Help Requests for DTC P0638
Help Request Posted
2006 Mercedes-Benz SLK350 3.5L MIL Lamp on VIN: WDBWK56F96
P0638: throttle valve stuck. can't find much info on these codes only test for the alternator is to replace it according to all data and pro demand. i get readings for all the oxygen sensors and they read fine. we checked the throttle body when had manifold off and was clean and movin...
October 09, 2019