No throttle response after timing chain

Mini one red said:

Hi I got my timing chain replaced and now am getting 2b4e 2b4b 2868 and 2fd9 codes on scanner it's a 1.4 2007 mini one

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has someone removed the throttle body wiring harness to put chain tensioner in you either need to remove the throttle body or as i always do loosen the inlet manifold and while in there check the breather pipe for cracks and inlet ports for carbon, if someone forgot to re plug it in the car, car will run on idle only, will also effect the CAS unit as its part of the system,