I own a 95' Ferrari F355 and for the past 2 years i been havng problems with the aircondition i have changed the controll unit and also the the aircond regulator twice and seems to not get the airconditon running pls advice

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Not sure, but could be the coolant temperature is getting to high, some vehicles use the ECU to switch off cylinders to lower the engine temperature, does it come back on eight when you clear the jam?

Confirm that the battery switch in the front trunk is in the ON position and the ignition switch is OFF or LOCK. Consult the Owner's Manual.
Pop the rear hatch, look on the right side of the engine bay for a small black plastic box with a red + sign on it. [This is not a first aid kit :-) ]
Lift the cover to reveal three bolts and nuts. This is a hard wired connection to the positive terminal of the battery; so be cautious, don't do any welding.
Put the red clip (positive) from the charger on one of these. Then put the black clip (negative) from the charger onto the nearby base post (ground). Plug in the charger, follow manufacturer's directions. Be cautious. If you don't know what you're doing, consult a qualified mechanic as this could be hazardous to you and the car....

Not an uncommon problem I'm afraid.The owner's manual has an excellent instruction page describing the emergency closing procedure. I suspect that your hydraulic system is either low on fluid, a pressure line has ruptured, a micro switch has failed or the motor itself has died (I actually have a good used one available!). When you operate the switch, do you hear the motor 'whining', and does it sound different from normal?

SAE 5W-40

Full Synthetic Ester Base With High Zinc You can use oil that is made by REDLINE corp of Benicia ca.

Red Line Synthetic Oil Corporation 6100 Egret Court
Benicia, CA 94510
PHONE: (707) 745-6100 or (800) 624-7958
FAX: (707) 745-3214

One short of ****

Most Napa stores carry LubraMoly 5w-40, Shell is just a brand name (doesn't matter), but make sure the wieght is the same.

Could be a dirty air filter or intake obstruction. Those codes are for oxygen sensors and MAF. Hope that helps a little.