NikTheGeek
New Member
If you recall, I unplugged my MAP and didn't notice any difference in performance at all. So I ordered a new one. That didn't make any difference either. So I bought a Nanocom Evolution. I checked the car for all faults in all the different modules. There weren't any so I chucked it in the boot and forgot about it. However, I'd never played with live data until this morning. So please help interpret my findings below:
Firstly, the MAP sensor.
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At tick over it gives a boost reading of 101.1. At 2700 revs it gives a reading of 148.9. Whilst I don't know if that is within spec, it certainly shows a change so therefore the wiring is ok and probably the sensor is ok too.
Now on to temperature readings:
~~~~~~~~~~~~~~~~~~~~~
The water temperature started off at -11'c (it is +3 outside). It rose quickly. It was at 51'c after 10 mins of idling.
The fuel temperature started off at -15'c and after 10 mins of idling had increased to -14.4'c. Clearly not right!
The air temperature started off at -38.88'c and didn't change.
Clearly I have a temperature issue!! And therefore probably an overfueling issue as it'll go in to a default COLD program I guess.
The air temp sensor is built in to the MAF I think. But what's with the fuel being so cold and the coolant starting off cold? Where are those sensors? Could it be connected to the MAF and take their readings based on that?
I'm guessing a new MAF is the order of the day. Do you agree? Anything electrical to check first? Where's the best place to get one?
Thanks in advance
Nik
Firstly, the MAP sensor.
~~~~~~~~~~~~~~~
At tick over it gives a boost reading of 101.1. At 2700 revs it gives a reading of 148.9. Whilst I don't know if that is within spec, it certainly shows a change so therefore the wiring is ok and probably the sensor is ok too.
Now on to temperature readings:
~~~~~~~~~~~~~~~~~~~~~
The water temperature started off at -11'c (it is +3 outside). It rose quickly. It was at 51'c after 10 mins of idling.
The fuel temperature started off at -15'c and after 10 mins of idling had increased to -14.4'c. Clearly not right!
The air temperature started off at -38.88'c and didn't change.
Clearly I have a temperature issue!! And therefore probably an overfueling issue as it'll go in to a default COLD program I guess.
The air temp sensor is built in to the MAF I think. But what's with the fuel being so cold and the coolant starting off cold? Where are those sensors? Could it be connected to the MAF and take their readings based on that?
I'm guessing a new MAF is the order of the day. Do you agree? Anything electrical to check first? Where's the best place to get one?
Thanks in advance
Nik
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