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Ok, seen your other thread. Simplest way of looking at how bad it is (it won't be great anyway), is to:
- take of intake hose to throttle valve
- front of (closed) valve will be clean, but oily due to engine breather (depending on loads of factors)
- slowly push throttle valve to open 90 degrees (you're pushing against a geared electric motor
- You can now see the state of the back of the valve, and with a mirror & flashlight the EGR mixer. That wil give you a good indication of what the rest of the intake is.
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