Turbo question

Frosty · Post by **Frosty** » 12 Jul 2013, 16:02

Hi everyone, just a quick question, am I right to assume that if I get any kind of boost reading from a ELM 327 bluetooth android OBDII reader, that gets the boost signal from the MAP sensor, that the Turbo is spinning ?

Regards Frosty

Frosty · Post by **Frosty** » 13 Jul 2013, 07:09

no takers ?

Post by **DGM** » 14 Jul 2013, 04:52

Frosty wrote:Hi everyone, just a quick question, am I right to assume that if I get any kind of boost reading from a ELM 327 bluetooth android OBDII reader, that gets the boost signal from the MAP sensor, that the Turbo is spinning ?

Regards Frosty

As a general rule and if the MAP readings from the OBDII reader are given in kPa;

Less than 100 kPa = Vacuum
100 kPa = atmospheric pressure at sea level
100 kPa + = boost

You can also read the manifold vacuum/pressure with an external gauge.