All the sensors and injectors are the originals. Caused a big disagreement when the nearest T4 garage insisted that only the higher capacity 135 injectors could be used!
The smell of the exhaust indicates it's running rich, not something I'd expect from an air leak - if anything, I'd expect the opposite, a high idle rather than the low/drowning I'm experiencing. If I crack one of the breather hoses off, it is low on vacuum when it's struggling but it's impossible to tell if this is because of the low engine speed or a leak. It pulls good vacuum at hot idle.
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