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Old 08-22-2010, 12:58 PM   #1
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Question MAP / boost sensor for EMB?

I have a 2 bar (absolute) map sensor from an early subaru that outputs 0-5V and was previously used with an EMB through the TPS input (I believe).

Is there anyway to use this map sensor through the boost port on the EMB, or can you only use 3 bar, 0-5v output map sensors such as the GReddy boost sensor?

I will be using the Olderguy autotune module, so substituting the TPS signal with the boost sensor signal is not going to be possible as it will already be substituted with the narrowband O2 signal.

Thanks.
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Old 08-22-2010, 01:45 PM   #2
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Quote:
Originally Posted by elduce View Post
I have a 2 bar (absolute) map sensor from an early subaru that outputs 0-5V and was previously used with an EMB through the TPS input (I believe).

Is there anyway to use this map sensor through the boost port on the EMB, or can you only use 3 bar, 0-5v output map sensors such as the GReddy boost sensor?

I will be using the Olderguy autotune module, so substituting the TPS signal with the boost sensor signal is not going to be possible as it will already be substituted with the narrowband O2 signal.

Thanks.
The support tool won't let you rescale the load axis. You could use the alpha tools program to log and then scale in excel but it's a hassle. Much easier to just use the map sensor.
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Old 08-24-2010, 11:48 AM   #3
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You should be able to use the option port.... I've got my gm 2-bar going into the option port.... Then the O2 signal into the TPS with the autotune....

You just need to know the pin-outs on the scooby map sensor.

Your problem will be if you want to keep using the option port for the WB. However, there's nothing to say you can't use the WB to feed the autotune....

Dave,
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Old 08-25-2010, 06:21 AM   #4
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Thanks Dave, I'm going to go with a copy GReddy boost sensor so that I don't need to mess around with scaling.

I'll look into whether I want to log a WB through the blue, I would imagine it's not strictly necessary for what I have in mind, but I won't rule it out just yet.
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