1-6-5-4-3-2
1 cylinder is the right front, when looking from front of the vehicle.
Was having the same problem and it seams there are different firing orders for the same engine now as far as cap goes it starts number 1 is facing the front of engine and goes counter clock wise and mine is 165432 but I also have found different years have other order.
It should be on the front of the intake manifold directly above and behind the water pump.
Yes it will bolt right up to it.
There is no adjustment required, but you can clean it with a carb cleaner.
The fuel lines around the filter; you will need an adapter.
.043
sounds like a vacuum leak
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.43L. 1000ml=1L
Don't know what year you have but some sensors are temperature sensitive and you should run a 195 degree thermostat.
4L60/E l
43L of 18-k gold
There is one before and one after the catalytic converter.