P3688 Diagnostic Trouble Code Discussion for May 2018
Rear throttle valve actuator
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| Help Request | Posted | |
| 2008 Mercedes-Benz S63 AMG 6.3L MIL Lamp on VIN: WDDNG77XX8 P3688: Rear throttle valve actuator. Mercedes Tech, please help on this bad boy here. Customer came in concern loss acceleration, hissing noise at idle & check engine light on. We smoke test intake system, no external leak found. We spray brake cleaner around intake & found leak in be... |
May 10, 2018 |
