low idle , shaking sputtering engine , sr20det

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blacktopforever
Posts: 29
Joined: Wed Oct 07, 2009 3:32 pm
Car: 1993 sr20det 240sx

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my charge pipe thats connected to my maf sensor blew off yeaterday, when i was driving, the car shut off i popped the hood, and saw that not only did the pipe blow off but the wires to the connecter came out as well, So then i put the wires back in, reconected installed brand new ngk-r bkr7e spark plugs started it up and it appeared to run fine, i drove it up the street not hitting boost, came back, parked it let it sit for about an hour , went to go drive it again and when i start it the idle is low, and sputters, like theres a missfire or somthing any suggestions on what may have caused this , what should the spark plugs be gapped too??


MrSoutherland
Posts: 263
Joined: Sat Oct 03, 2009 4:44 am
Car: S13 - Sr20

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I think there gapped to 32 but SEARCH it first. I would use bkr6e, again SEARCHWires to what connector? And make sure your couplers to your pipes are super tight! A lot of people including myself has made that mistake.

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Koshin
Posts: 14088
Joined: Wed Feb 13, 2008 4:43 pm
Car: JP'd out Y32 Nissan Gloria GTU
750 hp '87 Buick Grand National
'63 Chevy Impala SS 327/4 speed
Location: ...in your garage stealing your wheels
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it sounds like you have a vacuum leak...make sure all your couplers are tight

BKR7E gapped to .28-.30

thats what I run...

if you have a vacuum leak, you may have fouled a plug as well perhaps becasue of it running so rich...double check your gap and check for fouling...


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