MAF signal?

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jspecnitemare
Posts: 7
Joined: Sun Jan 11, 2004 6:22 pm

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Hey everyone,

My engine won't rev past 2500 rpm, and I know my problem is either my MAF or ECU. When I was testing my MAF, the signal to the ecu (white wire) comes out as grounded. Is this supposed to be like this?

*Edit I have a 89 240sx. 140k+ miles, recent tuneup, manual transmission. I read that improper oil filter changement can wreak havoc...but I'm pretty sure that I did that right. There's some nasty popping when it starts to cut out, if that's any help.

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DAEDALUS
Posts: 5421
Joined: Mon Jul 22, 2002 8:50 pm
Car: 1990 Infiniti Q45

Post

What's the voltage across the MAF terminals at idle? Should probably be about 1 V, maybe a bit more.
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