2005 supercharged sometimes won't start if I fiddle with gear lever and try again it starts. What would be causing this? Any ideas guys.

Sounds like it's not recognising its in park, maybe the gearbox selector cable cable has gotten a bit lazy, and needs a good shot of lube. Have a search there are threads on how to, nice and easy. There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial

Could be, or possibly, the inhibitor switch that makes it possible to only start in park or neutral... Pete
I now have permission from the boss to use Y.O.L.O. Enjoy life
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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand Sold
2002 L322 Vogue 4.4 V8 Epson Green (Fatty Offroader) Sold
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Thanks guys will look into those suggestions

Hi guys thanks for the replys sprayed gear linkage with wd40 and then greased it seems to have done the trick. A cheap and easy fix for once happy days

 MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

Glad it's sorted👍 There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial