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Map Sensor?

4 messages,  Last post on May 27, 2009 at 12:31 PM

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#2 of 4 Re: Map Sensor? [frmulcahy] by ateixeira May 27, 2009 (7:09 am)
Replying to: frmulcahy (May 26, 2009 1:50 pm) Keep the air filter clean and it likely won't happen again.   I think that happened to folks that modified their intakes a lot, and to people with S-AFC computers, things like that.   Not a common problem with unmodified cars, so IMHO it's unlikely to happen again. Replies to this message: xwesx (May 27, 2009 11:11 am) ateixeira (May 27, 2009 12:31 pm)
#3 of 4 Re: Map Sensor? [ateixeira] by xwesx May 27, 2009 (11:11 am)
Replying to: ateixeira (May 27, 2009 7:09 am) Map sensor? Do you mean MAS (Mass Airflow) sensor? If it is the airflow sensor, then it may be that the sensor element itself is somewhat dirty. Try cleaning and reinstalling the current one, and see what happens. If it continues to happen, you may simply need to replace it again.   I used to have a '96 Outback that experienced stalling problems due to a faulty MAS. I replaced it with a used one and never had the problem recur. Ironically, I gave it to a fella about a year ago, after it had sat in my shed for six years. He cleaned it and installed; he never has had any problems with it! *sigh* At least someone got some use out of it! Replies to this message: ateixeira (May 27, 2009 12:31 pm)
#4 of 4 Re: Map Sensor? [xwesx] by ateixeira May 27, 2009 (12:31 pm)
Replying to: xwesx (May 27, 2009 11:11 am) My memory is rusty, but I think Subaru has used both, MAP being Manifold Air Pressure sensor.   I think they changed around 98-99 or so, when the engine went from the Phase I DOHC design to the Phase II SOHC.

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