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[PhilRich]

Well my idiot youngest stepson appears to have killed my old Desmond saloon!
He only had it a month & blew the head gasket! I had the head skimmed (for the second time ) more in desperation than in hope of a good outcome. When refitted it would not idle & to all intents & purposes sounded like the timing was badly out & misfiring (neither was the case!) and the new gasket failed almost immediately! Thinking this was due to to the head being skimmed too much, I bought a replacement from Steve at Omegaspareparts which came without cams. I had the stem seals renewed, valves lapped etc & the head checked for Plane Surface & pressure tested (all ok) The replacement head was fitted & a new waterpump, belt & tensioners fitted. The timing was carefully set & checked & we fired her up. What a sickener that was!, she needed several tries before spluttering & farting to an appallingly rough idle on the verge of stalling all the time and the same symptoms of extremely rough running as if the engine wanted to shake itself loose! I have checked everything several times over now, fitted new Bosch plugs, checked the timing until i'm sick of checking but still no fix! Anyone have any ideas?
 

[symes]

fuel filter/pump-also remove petrol cap and try---not joking mate-honest

[PhilRich]

The petrol pump was changed last month Symes & I can rev the engine to around 2000 revs when the shaking evens out so I doubt it is a fuelling problem but your input is very much appreciated I bloody loved that car!

[symes]

injectors then-not head/timing-so fuel---throttle body not got blockages?-split lpg pipe somewere-had vacuum split on my vap unit--ran like a sick pig

[albitz]

Cam sensor ok ?

[PhilRich]

Sorry to resurrect this thread back to the top but I really need some help please before I lose the will to live!
Ive followed the kind advice of Symes & Albs but still no fix
Ive now dragged a bit more of the truth out of my stepson as to what he & his 'mates' have been doing to the car.
They have had the cams out but did not lock them before removing  them!
They removed the cam sprockets and 'might' have put them back on the wrong cams before refitting. Will this cause any problems? The Sprockets on a 2.2 petrol only fit on the cam locating pin  one way (although Haynes shows two alternate positions on the cams they worked on so the design must have been changed by GM at some point) so I can't see it being a problem unless the cams are not identical and cant be swopped  from one side to the other?
I have now taken this on myself as my Eldest lad is away and my mechanical knowledge is somewhat lacking unless it's a simple case of take it apart & assembly is the reverse of taking it to bits!
I loved this car & she was running beautifully before I gave her to the village idiot! I am desperate to get her running again but I need help from you guys please