Wont start first time .

[rollerdan]

When my cars cold in the morning it will
Not start first time always second or third time .

Done some reading up some
People say crank sensor . My cars been running rough recently just wondering would a faulty crank sensor make my engine run a bit rough? Slight hesitation under low revs .

 

[Dan@SJM]

Try turning the ignition on for 5 seconds, then off then try starting.

 

[Dr HMS Derv Destroyer]

iircc its something to do with those relays under the bonnet fuesbox. dave dreads 172 has this fault down to those relays.