I was wondering if any of you guys could possibly help me out, iv done some searches but havent found much luck with things to try !
Iv got a MK4 golf 1.9 TDI PD 115 engine but keep have issues starting the car when its cold. If i turn the key for a second to turn it over then turn it off and then back on again it will start within 4-5 seconds, whereas if i turn the key from start it keep turning over and wont start at all.
I have plugged a code reader into the car and it came up with error code - 17978 and 16705
I have given the car a full service - glow plugs, fuel filter, oil, air filter, oil filter, as i read in places it could be the plugs or fuel filter still no luck.
I believe one of the fault codes is to do with the cam shaft position sensor located next to the cam belt, which i have changed, it got better for a few days then went back to normal.
Since then i have ran out of idea ! if anyone has any advice i would be greatly appreciative.