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I was on the road this morning at just before 0500, heading from Norfolk to Bristol for a business trip. Just after an hour into the journey I got the 'glow plug' warning light flashing... ...followed by a reduction in power as the cruise control clicked offline and the car went into 'limp home' mode. I pulled into a layby and switched the engine off and back on again - which cured it for about 30 seconds, after which it came back again. I turned around and headed home. At some stage, about 20 mins later I think, the 'Check Engine' light came on... ...followed, with a beep, some 10 minutes later, by the DPF Filter warning light... Oh joy. I made it back home and plugged in the OBD Eleven and got the following: P227900 - Intake Air System Leak static priority - 1 frequencyCounter - 2 drivingCycle - 255 km-Mileage - 170257 km This apparently suggests an air leak. I watched our very own Gav's YouTube video on the fault, which involved doing a smoke test (which failed to show any leaks) and then the replacement of a Mass Air Sensor. The car Gav was fixing was a later model than mine with a different engine (mine is a 2006 2.0TDi 140 with a BPW engine), but this seems a reasonable diagnostic course to follow, doesn't it? I'm tempted to think that the 'limp home mode' for over an hour might be the cause of the DPF Filter warning, and that an 'Italian tune-up' might well clear it. Any ideas or comments welcome. Thanks, Mike 😎 PS If you're not subscribed to Gav's YouTube channel, I recommend it - used it twice this week already! 👍