This video shows the high-pressure EGR system on a 2021 3.0-litre Range Rover Ingenium diesel engine and explains why it failed.
The engine would only idle and would not rev because the EGR failure caused exhaust gases to be continuously fed into the intake without being correctly monitored by the ECU. Despite this, the vehicle logged no fault codes, and from the ECU’s perspective, all systems appeared to be operating normally.
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