Thanks chaps for suggestions
Update
Changing to known in full working order MAF has made no difference :
Poor running - feels similar to running in 4 cylinders but spark sound on all 5 and similar strength
Hooked up VOL FCR and live data shows
Fuel pulse 13 to 17
Revs at idle fluctuate 800 to 864
4 x fault codes on 4.4 including ;
Vehicle speed signal missing - cl 221
Engine speed rpm signal faulty - cl 124
I know the dis needs replacing - coming Tuesday and genuine bouch leads already in the boot but any other suggestions welcome !
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