i hafvcan someone plz help..im soo flippn lost

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nismodk21
Posts: 22
Joined: Tue Aug 04, 2009 5:15 pm
Car: 89 240sx

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ok i have a s13 with the red top sr..everythin is stock besides gt2871r,3inch exhaust,fmic..

i have a aem wide band not installed yet,apexi safc2 on its way,n a universal fpr i have no idea how to hook it to the fuel rail..

k the prob is it has a hard time cold starting..like its not gettin fuel but when it finally starts the temp raises pretty quik n when the cars warm it idles high n just sounds like s***..i have no idea what is wrong..plugs r black all of them..coils seem fine..im decently new so plz help n give detail plz...


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david200095367
Posts: 1632
Joined: Mon Mar 29, 2004 7:57 am
Car: 91 fastback 93 coupe w/s14 sr20det 98 s14 kouki

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coolant temp sensor can be bad. its the one with 2 wires.

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nismodk21
Posts: 22
Joined: Tue Aug 04, 2009 5:15 pm
Car: 89 240sx

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ok well i just got a new one so wen i figure out were it goes lol ill let ya know if it wrkd..thnxs alot for ur input though..

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nismodk21
Posts: 22
Joined: Tue Aug 04, 2009 5:15 pm
Car: 89 240sx

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ok when i pulled the old one out it has a fat tip..the new one is a skinny tip..is there any diff..i do know the new on wont work just cuz the plug is diff so im screwed till mon..since it idles rough n is runnin rrly rich wat else could it be..

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240_SeX
Posts: 506
Joined: Sat Feb 09, 2008 4:02 pm
Car: 1992 240SX SE

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Could be the intake air temp sensor, its part of the MAF. try a known good one.

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nismodk21
Posts: 22
Joined: Tue Aug 04, 2009 5:15 pm
Car: 89 240sx

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thats my nxt try..just got my newish coolant temp sensor in today n that didnt do anythin..goin back to zerolift once again to c if i can borrow one to c if thats the prob..bout to say f it n go take it to tpr..this is the one thing that has stumped me..if its not maf then i have no flippn clue..does anyone now how to put a good setup on a safc2..got a wideband just not installed yet..waitin to get bong on the downpipe..12-18inches away from turbo right....


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