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AFM = Air Flow Meter / MAS = Mass Air Sensor

A section to help identify the most common parts that can fail and need replacing, for servicing etc, also the parts that are compatible through the Marks
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AFM = Air Flow Meter / MAS = Mass Air Sensor

Postby Mazda Mender » Sat Dec 22, 2012 12:06 am

Mk 2.5 1.8cc/ 1.6cc MAF=Mass Air Flow Meter..................................................2001 > 2005

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Mk 2 1.6cc/1.8cc MAF=Mass Air Flow Sensor....................................................1998 > 2000'ish

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Mk 1 1.8cc MAF=Mass Air Flow Sensor ..................................................................................... 1993 > 1997

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Mk 1 1.6cc AFM=Air Flow Meter 1989 > 1997......................... (JDM 1.6 finished in 1993, UK spec finished in 1997)

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Quote from Lazza........
.

Only the Mk1 1.6 AFM is an AFM (Air Flow Meter). The later models have a MAF (Mass Airflow Sensor).
There is a difference - an AFM is mechanical, measuring how far a flappy paddle gets moved by the airflow therefore a meter whereas a MAF has no moving parts, it just detects how much power it takes to keep a hot wire hot (I think) so is a sensor.

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This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/

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