What damage does petrol in a diesel cause?
The main risk is to the high-pressure fuel pump and injectors from lack of lubrication, plus possible contamination of the fuel lines and filter. Severity depends on how much petrol went in and whether the engine was run.
In an emergency: don't start the engine and call 0800 170 0644. We drain the wrong fuel on-site, 24/7, 365 days a year.
Call 0800 170 0644 24/7, 365 days a year · across the UK