psmart
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Very different, on the ML and the C, the following is the ordering:Sprint'n'Go said:1st, Air filter
2nd, Turbo
3rd, Oil breather joins main piping just inches after turbo
4th, Intercooler
5th, Maf/Mas housing
6th, Inlet Manifold
1st, Air filter
2nd, MAF
3rd, oil breather inches before turbo,
4th, Turbo
5th, Intercooler
6th, Charge air temperature sensor and Boost Pressure Sensor
7th, EGS
8th, Inlet manifold.
As you say, theyve obviously designed the vans to have oil on the MAF, so the oil coating properties cant affect MAF readings that much.
After completely cleaning the inlet/ic on my car, it was only a matter of about 20 miles before I noticed oil on the Charge air temperature and Boost Pressure Sensor, but this was to be expected, seeing as the breather was being 'sucked' upon by the turbo.
So, sounds like cleaning the MAF, ie. oil off, may not actually help. Strange why they have the same engine plumbed differently... Is your turbo a VNT turbo, or have they used a standard wastegated turbo?