power fc and avcr experts
15 February 2007, 08:43 AM
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power fc and avcr experts
Hi posted a thread a few days back but the title wasnt very catchy so didnt really get much of a response.
What it is, I get differing boost readings on the commander and the avcr. In general I get a reading of .13 bar higher on the avcr. My car was only mapped to 1.2 bar as it has a piddly little turbo on it, but this morning it hit 1.35 bar on the avcr and 1.22 bar on the commander. At first I thought it was down to the sampling rates being different, but today I sustained the boost for a good while and it didnt change.
Which is the more accurate, and why the difference
Cheers
What it is, I get differing boost readings on the commander and the avcr. In general I get a reading of .13 bar higher on the avcr. My car was only mapped to 1.2 bar as it has a piddly little turbo on it, but this morning it hit 1.35 bar on the avcr and 1.22 bar on the commander. At first I thought it was down to the sampling rates being different, but today I sustained the boost for a good while and it didnt change.
Which is the more accurate, and why the difference
Cheers
16 February 2007, 08:02 AM
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Two different sensors! Also as I can't see how yours is plumbed in, they may be fed from different sources, use different length pipes, different material, etc etc.. Lots to investigate there, and an issue all tuners have to deal with one way or another.
16 February 2007, 11:34 AM
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Ahhhh with you, maybe a case of speaking with my mapper then as I am sure it was only mapped for 1.2bar on the avcr and I had a 1.37 today
Out of interest, where would the powerfc / commander get the signal from then?
Out of interest, where would the powerfc / commander get the signal from then?
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