2015 Vauxhall Insignia car shaking when starting

Car: Vauxhall Insignia
Year: 2015
Variant: 1.6 Diesel Tourer
Categories: Running Rough, Starting & Power Loss
When I start the car it vibrates, this is a lot more severe on a cold start.

Garage admit there is an issue but say that as it only lasts a few seconds they cannot diagnose what it is.

Any help would be appreciated
Posted: Jul 31, 2017 (6 years ago)
Find a better garage!
First thing I'd want to know is the rail pressure,
Then the CTS reading.
fuel pressure and what the ECU "sees" as the engine temperature.
So as you see there are starting points for diagnosing.
Posted Jul 31, 2017 (6 years ago)
Check / replace engine coolant temp sensor .
Posted Jul 31, 2017 (6 years ago)

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