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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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04-02-2012, 03:38 PM | #1 |
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S13 redtop sr has idle issues once it hits 65 degree
Just swapped s13 sr red top into s14 and i'm having idle issues. Once the cars temp hits 65*c the car will idle from 1100 to 300. I've fixed major boost leak, sprayed some carb cleaner into iacv and set the tps to .33volts(meters probes aren't good). I tried to adjust iacv but doesn't effect the idle at all. Just keeps going up and down.When i first start it the AFR is 14.6, while driving its bit rich but once i change gears it goes full lean until i get back on the gas. If i get off the gas the idle will go really low or completely die.
Anymore things i can do to resolve this issue before i go in for tune? sr20 parts list S13sr into s14 hks stage 1 Powerfc +MAP+AIT( tuned with s13 not s14) gt28 71 .64 new harness walbro spiltfire coils stock FPR got now |
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04-08-2012, 07:13 PM | #6 |
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Join Date: Dec 2011
Location: Phoenix, AZ
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What type of BOV is it?
A vented BOV will create a vacuum leak when not under boost, creating the problem you are having. This happens because the air that the BOV is venting has already been metered by the MAF unless you had your car specifically tuned to compensate for atmospheric blow off.
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