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


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Old 04-06-2012, 05:22 AM   #1
401imports
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rb runs hard after driving for a min or 2

Ok so just picked up a rb25 for my s13. Now it turns on and idles ok but after I drive it for a kin or 2 it starts to run rough and wants to stall out if u don't give it gas. Any ideas?
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Old 04-06-2012, 05:46 AM   #2
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Quote:
Originally Posted by 401imports View Post
Ok so just picked up a rb25 for my s13. Now it turns on and idles ok but after I drive it for a kin or 2 it starts to run rough and wants to stall out if u don't give it gas. Any ideas?
Could be a MAF issue but it sounds like you might be running atmospheric BOV. Recirculate the BOV.

N/m read it again but usually atmospheric bov problems cause the car to stall when after giving gas.
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Old 04-06-2012, 05:48 AM   #3
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Its a stock bov and I don't have a exhaust but ibdont think that's a big issue. The mad is the n60 and I hqve a new z32 mad but I heard they run like crqp without a tune
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Old 04-06-2012, 06:32 AM   #4
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blow off an intercooler pipe?
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Old 04-06-2012, 08:01 AM   #5
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Yepp stock pipe and stock bov.
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Old 04-06-2012, 08:17 AM   #6
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Stock BOV need to be recirculated

But if the ECU in not tuned then the you have the wrong MAFS, If its a Series 1 you need a J60 MAFS, Series 2 Uses a E60
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Old 04-24-2012, 03:35 PM   #7
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I have a s2 and have a e60 and runs like crap. Also have a n60 runs like crap lol I have a z32 but il u need a tune to run tjat
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Old 05-18-2012, 05:20 AM   #8
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Is a maxima maf even tho its a e60 wrong for the car?
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Old 05-19-2012, 09:38 AM   #9
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Try to check for some codes, does it blow out black smoke when it starts to run like crap? Maybe your ignitor is crapping out once the engine is warmed up.
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Old 05-21-2012, 05:49 AM   #10
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Nah everything is good but this is a s2 motor. There is no ign chip. They are built into each coil
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