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1993 mazda rx7 twin turbo idle problem

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Old 05-07-04, 11:47 AM
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1993 mazda rx7 twin turbo

having problems with my 1993 mazda rx7 touring.
all of a sudden the idle made the car rock and some black smoke came out of the exhaust. when i step on it the twin turbos don`t seem to work,the car boggs down and a lot of black smoke pours out of the exhaust.
help!
does anyone have a solution to this problem??
thanks.
phil
Old 05-07-04, 11:50 AM
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I suggest taking a look at your map sensor, its black and located on the firewall by the TB elbow. It will say denso on the top and will be to the right of TB if you're looking into the engine bay. It should have a vacuum line connected to it. If it doesn't or it's not secure, you can/will experience symptoms similar to yours.

Last edited by ROTARYFDTT; 05-07-04 at 12:01 PM.
Old 05-07-04, 11:50 AM
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BOOOYAHHHH!

 
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Map sensor. its ont he driver side firewall. make sure the vaccum hose didnt pop off.

it looks like a little black box. will have a vaccum hose running from the back of the UIM to it.


^^^^EDIT: AHHH! Bastard... you beat me to it! lol =)
Old 05-07-04, 11:54 AM
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thanks i will take a look.
Old 05-07-04, 11:56 AM
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Originally posted by RX7Wishing
^^^^EDIT: AHHH! Bastard... you beat me to it! lol =)
MUUUAHAHHAHAH the day is mine!!!!!!
Old 05-07-04, 12:21 PM
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that was it ,thanks .
Old 05-07-04, 01:41 PM
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Originally posted by zoom rx7
that was it ,thanks .
Yet another "omg, I think my motor is blown" thread saved by reconnecting the MAP sensor.
Old 05-07-04, 01:56 PM
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Man, you guys really know your ****.
Old 05-07-04, 03:12 PM
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bee
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rofl.. Its always the same damn problem. Maybe we should zip tie it??
Old 05-07-04, 03:14 PM
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SUPER GLUE!
Old 05-07-04, 11:45 PM
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super glue will make it brittle like every other vaccum line in the engine bay. Zip tie will work just as well.
Old 05-08-04, 10:36 AM
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Heh ive also been there at "Oh No i think my motor have blow *****" And it just just the MAP sensor. The worst part for me was the i just had rebuild the engine. Damn i was shaking. And what a relif when everthing was back to normal after putting the vacum hose back on.
Old 05-08-04, 06:31 PM
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My best advice is to start making friends with local FD owners in so cal.

Many of them are cool.
Old 09-17-11, 06:42 PM
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Another problem with turbo idle

I'm also having problems with the turbos and idling once I go for a quick drive just to warm everything up two things will happen my rpm will drop to about 800-900 for a couple of seconds then it will go back up to normal idle rpm and also when I open the hood I realized then hot air is coming from the compressor side of the turbos I just wanna see what you guys think would changing the spark plugs or adjusting the idle speed do anything to help any help would be awesome thanks!.
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