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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 03-04-2008, 09:02 AM   #1
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Well it sounded like hedidn't have a problem before.... I would check your mafs and whether if you have a boost leak or not. Does it still bog at this point? Your term of RICH probably means you have one of those junk narrowbands from APEXI or something....
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Old 03-04-2008, 09:53 AM   #2
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Happened to me before. Coupler came off the coldpipe behind the bumper. From the big smoke cloud and bogging down sounds like you have a boost leak. Check your IC pipes. GL
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Old 03-04-2008, 11:57 AM   #3
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Quote:
Originally Posted by slider2828 View Post
Well it sounded like hedidn't have a problem before.... I would check your mafs and whether if you have a boost leak or not. Does it still bog at this point? Your term of RICH probably means you have one of those junk narrowbands from APEXI or something....
I have the plx m300 wideband. When the air fuel ratio is under 9 or something it just shows rich. When it is about 19 then it shows lean instead of the numbers.

I did not have this problem before. I had this setup for like 4 months. And yes it still bogs really bad. when the car is cold, then it is good. once the car becomes warm, it starts choking like crazy.
Does it matter that I took off the rubber cover with the metal wires inside for the two wires on the maf connector?
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