Wilmo wrote:
MACKJ wrote:
I have recently cleaned the boost pressure/Intake temp sensor. It was completely covered with a sticky mix of oil and carbon, in other words, beautifully insulated. After cleaning I have noticed smoother operation and possible improved torque as the rig holds fifth gear much longer when going up an incline. Idle smoothness has also improved, although not to my satisfaction yet.
The question is, does the ECM re-learn parameters after a sensor clean or replacement?
Or does it have to be reset?
Where is this sensor located?
Hi Wilmo,
It's just behind the fuel rail pressure sensor and hidden by the wiring loom that goes across the engine.
Pull that loom up out of the way and undo the heater hose bracket to the left of the oil filler (this is a section of hex that forms one of the front supports for the engine cover).
Also disconnect both the boost sensor plug and the one for the fuel rail pressure sensor to give you a bit more freedom with the wiring loom. You need a 3mm allen key for the one bolt on the boost/intake temp sensor. Make sure you pick up the washer under this bolt so you don't drop it down the hole when removing the sensor! Gently pull upwards on the sensor, there is only a recessed O ring on the unit so it comes out very easily.
Clean the sensor head carefully with a good quality carby cleaner.
Hope this helps (if you were planning to take it out).
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