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Old 18-02-2014, 09:40 AM   #1
Cutt-Back SR2
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Mazda 323 engine bay question

What is this?



I have a Laser SR2 but its the same as 323 Sp20 - I have no idea what it is
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Old 18-02-2014, 08:39 PM   #2
phunkdust
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Barometric sensor IIRC
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Old 19-02-2014, 07:44 AM   #3
Cutt-Back SR2
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Thanks Phunkdust, is it meant to be not connected? does it just measure the pressure in the engine bay?

I couldn't find any info on them

thanks for your help
Patrick
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Old 19-02-2014, 09:13 AM   #4
TheMAN
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it's not supposed to be connected
it measures ambient barometric pressure so that the ECU can provide better fueling to the engine
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Old 21-02-2014, 12:28 AM   #5
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Hmmm, mine is connected..... wonder why
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Old 21-02-2014, 08:02 AM   #6
Orion
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It should be connected electrically but it should not have vac hose on it.
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Old 23-02-2014, 07:28 PM   #7
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Yeah it's got a cable attached but then there's a short rubber hose coming out that shouldn't be connected to anything. Not sure what would happen if someone accidentally connected it to vac.
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