2.0TS MAF figures - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 03-11-17 Thread Starter
Status: tuning...
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156 2.0TS+

2.0TS MAF figures

Hi guys!
Since I haven't received any response to my question in the 156 forum, I'll try here:

I have 156 2.0TS 98' in a pretty good condition, 140 000km on the clock, some mild tuning like full exhaust without cat, v6 intake mod, remap and removed balance belt.

Some people say its running perfect, but i think it's still missing a little bit of power in the top rpm. I have changed the air filter and cleaned the MAF and the top figures which I can see during diagnostics with MES are 408kg/h air quantity and 4.37V signal from the MAF.

Can somebody say what are the perfect figures for a new MAF? Some say it has to go up to 4.5V, some say 5V ... whats the truth? And should i change mine?

Thank you.
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480 kg/h MAF typically shows 4,2-4,3v 400-420 kg/h. So I think your readings are "ok". Anyway you should check other 2.0 TS MAF readings. Example I have 480 kg/h MAF 410-430 kg/h 4,3-4,4v on 1.9 JTD stock and 513-523 kg/h 4,5v with mods.

Note: your ECU max diagnostic reading could be 408 kg/h but volts real.
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(Post Link) post #3 of 5 Old 05-01-18 Thread Starter
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Finally found the right answer:

280218019 BOSCH
4,4578 V
480 kg/h
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Hi friend. What's the best scanner fro this engine and where can i buy it ? TKS a lot!
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Multi ECU Scan

Multiecuscan - Diagnostics software for Italian cars
That's all you need to know if you have a laptop. All you need is 30 for the right cables.
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