Fabia 1.6 tdi flashing glow plug light

[Wull17]

Hi, Looking for a bit of help. My 2013 Fabia 1.6 tdi has recently started going into limp mode. Started with flashing glow plug light then engine light. Turn off and back on and drives fine with only the engine light on. Scanned the car and had the following codes p10100 Mass or Volume air flow sensor A Circuit range / performance and P227900 Intake air system leakage. I have replaced the MAF sensor and the O-Ring which had a nick in it along with the airfilter. Cleared the codes however fault still returns. Glow plug light flashes when car is warm and when i come off the accelerator ie leaving motorway etc. I have had a good look around all the hoses and sprayed with a bit of brake cleaner but there is nothing obvious. Has anyone had anything similar or have any ideas ?  Thanks

[Bertie90]

is this hose connected ok? 

[Wull17]

Thanks bertie. Yeh it is connected. Found the problem eventually, small split on bottom intercooler hose