CO Screw Seized and Rounded Off
09-07-2006, 08:52 AM
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CO Screw Seized and Rounded Off
Hi, my S2 ERST has just failed MOT as my CO can't be adjusted as the screw has seized and been rounded off at some point. Can the metering unit be stripped apart and the screw replaced
09-07-2006, 09:57 AM
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You can certainly give it a go you've got nothing to lose, but ive had a go at undoing the screws holding the arm inside and they weren't coming un done for shit.........and the mixture screw is a special screw from what i remember, not like a normal screw.
If you fail you have 2 options:
A) New metering head and/or housing
B) EFI (you know you want to
)
If you fail you have 2 options:
A) New metering head and/or housing
B) EFI (you know you want to
)
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13-07-2006, 06:51 PM
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Thanks for the offer Jano but with half a tin of WD40 and a bit of patience I managed to free the screw, Car has now passed MOT and is back on the road.............................and thats just opened up a whole load of new problems
13-07-2006, 06:52 PM
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Originally Posted by aldy
Car has now passed MOT and is back on the road.............................and thats just opened up a whole load of new problems
Whats the problems now?
13-07-2006, 07:01 PM
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Bit of a misfire when going up through the rev range while driving, a few rattles, absolutely no oil pressure, boost gauge reads -8 at idle don't know if thats right or not.............but just drivin 20 miles with the biggest smile ever 
13-07-2006, 07:26 PM
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Yeah I changed and checked everything but still no pressure, so its gonna be good bye to this engine and hello new one already on bench in garage, I just wanted a little fun before the big bang
14-07-2006, 08:19 AM
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Then your gauge or something to do with it is shit. No oil pressure = no oil in the hydraulic lifters = noisey as fuck engine 
Does your oil light go out? What type of gauge do you have electronic or mechanical?
Does your oil light go out? What type of gauge do you have electronic or mechanical?
15-07-2006, 01:16 PM
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Its a mechanical gauge and I've also fitted a new oil pressure switch the oil light comes on when the fan clicks in and the gauge reads about 5 psi
15-07-2006, 01:19 PM
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Hmmmmm
Very strange. see if you can borrow a PROPER oill pressure gauge to get an accurate reading, if you know what i mean it looks just like a compression tester
Very strange. see if you can borrow a PROPER oill pressure gauge to get an accurate reading, if you know what i mean it looks just like a compression tester
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