maf problems

Discuss the RB20, RB25 and RB26 series engines.
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240wootie
Posts: 347
Joined: Mon Dec 26, 2005 7:23 am
Car: 1989 rb20 coupe, 2002 WRX
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i finally got my rb20 started and running, much thanks to Carl H but i'm having a problem with my MAFS. it starts and runs with the MAF unplugged, but it dies when i plug it in... any ideas? i searched around, but i only found z32, q45 and other maf questions... any help would be great!


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S13 240SX
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Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

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psh join the party.. i know how u feel.. yes it sucks

i had a mafs problem when i did my swap.. cuz i used an n60 mafs and it was wired wrong.. so if you had to hard wire ur mafs re-check it again. or if you are using the stock rb mafs then it shoulds to be dead.

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240wootie
Posts: 347
Joined: Mon Dec 26, 2005 7:23 am
Car: 1989 rb20 coupe, 2002 WRX
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yeh, its the stock rb20 mafs. dead huh? that sucks. is there any way to test it? i really dont want to buy another one. but if i have to thats all i can do huh? i thought i had a wire crossed when i extended the wires, but i dont. any body else have this problem?

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240wootie
Posts: 347
Joined: Mon Dec 26, 2005 7:23 am
Car: 1989 rb20 coupe, 2002 WRX
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any body?

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S13 240SX
Posts: 1065
Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

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yeah ur stock rb20 mafs is dead.

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240wootie
Posts: 347
Joined: Mon Dec 26, 2005 7:23 am
Car: 1989 rb20 coupe, 2002 WRX
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so if my MAF is dead, is there any other MAF i can use on the stock motor without having to have the motor tuned for that MAF? How much does using a z32 affect the engine? can i use a z32 n60 MAF without having it tuned. i live about 5 hours from the nearest shop i can have it tuned at... any help would be appreciated!

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S13 240SX
Posts: 1065
Joined: Thu Dec 08, 2005 2:44 pm
Car: 93 Mazda Miata

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n60 works with no tune so i hear from others.. i been using an n60 with no problems...

a z32 mafs will need a tune.. n60 no.


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