Intermittent no life when starting

[DomP182]

cant find this when searching, some times and today included when I turn the key to start nothing happens. Today took three attempts leaving a few second pause between. Any one else get this? So far it always starts after a few goes but then may not do it for a week.

 

[DomP182]

Could it be a dodgy key?

 

[ben2904]

Tdc sensor needing cleaned would be my guess.

Take the air box out , above the gear box you will find a black sensor mounted on a metal bracket held on by two 10mm bolts. Take take that off and clean the plugs with wd40 and clean the little metal magnet on the bottom it's probably choked with metal shavings.