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[the alarming man]

I intermittantley have a problem when starting..happens maybe twice a month...car fires fine but runs like it is firing on 3 cylinders(only happens when cold)...once you increase the revs it then runs ok and doesnt do it again for some time...done about 100 mile round trip today with no problems

any ideas..poss spark plug breaking down?? thanks in advance 

[Martin_1962]

COuld be a number of things

1) Leaking cam cover gasket - plug holes full of oil

2) Coil pack gone or going

3) Plugs knackered

So remove the coil pack (easy job) and look for oil in the plug holes.

If there is wipe it out, then buy a genuine gasket and repair.

Check the plugs if OK leave, otherwise replace.

If it runs like this after a check over nad possibly new plugs - new coil pack required.

[Dishevelled Den]

Check No 4 plug well for water.

AA's excellent guide shows how (amongst other things) to get the coil pack off.


http://www.omegaowners.com/forum/YaBB.pl?num=1157117391

[the alarming man]

thanks guys...think i will replace plugs anyway as they were not done on last service so it is time(and £9 for four is not a bad price))...if it is a new coil pack what sort of price would i be looking at??

and DD guide is well written thanks for the link

[davethediver]

New ones are about 80 quid I think, I got a second hand known good one from a low mileage breaker paid about £30 for it 

If you buy a pattern one make sure its made by bosch

[Dishevelled Den]

I had one from the VauxCentre last February at £71 odd - although I should have checked with andyc first.

If you can't get the pack out, Chris's great little tip will help speed the process.


http://www.omegaowners.com/forum/YaBB.pl?num=1293850760

[Auto Addict]

Starting problems on a 2.2 may be down to the cam sensor on the way out.

Any codes?

[the alarming man]

Starting problems on a 2.2 may be down to the cam sensor on the way out.

Any codes?

it starts ok thats the strange thing never fails to start just runs on 3 (sometimes) then when you increse revs it then fires on all 4???...but no codes as thats the first thing i checked...going to change plugs at weekend and see how we go

[ndmv6]

had same problem with mine,plug wells were filled with oil,sorted that,then changed camshaft sensor and maf,been great since..