rpm drop?? why?!!

ONLY for ADVANCED technical discussion about the 240sx!
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tony10
Posts: 44
Joined: Sun Apr 22, 2007 8:00 am
Car: s-13 hatchback

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wen my car is idleing goes back and forth 4rm 8oo to like 350 rpms, and wen i rev it it drops to like 400 and then goes back to 800.


funigui
Posts: 516
Joined: Tue Apr 10, 2007 5:44 am
Car: I HAD a 1991 240sx coupe. woked NA motor. ran like 14.5 ish. blew it up @ 140 after an ECU reflash.

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sounds like a vaccumm leak to meeee


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