Also, I have seen a lot about EGR issues or split inter cooler hoses, could these be a possibility? Thanks

Morning, Thank you for all the info! Is there a diagnostics system people would advise? Many thanks

Hi Henry, It was doing this before it went into the garage, thats why i asked for the diagnostics. I thought it may give me a simple answer! Many thanks

Hi Ratae, I have a complete print out of all the fault codes present at the time and previously stored. Non of which point to a sensible fault. many thanks

Morning All, I am looking for some advice. Randomly our L322 (2005 3.0 Diesel) restricts the power down to around 20mph, generally turning it on and off fix's it. It went in for a gearbox oil service a few months ago, and there wasn't any obvious faults on the diagnostics, today it happened 6...