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I-luv-em-all

15+ Year Contributor
602
5
May 25, 2004
Regina,
Alright, I have a couple problems/questions I need some answers to.

First off my fuel trims are all pretty much maxed out. 139%, 138% and 127%. I was wondering what are the causes of making them go so high. I just got a new O2 sensor. So I guess it would have to be a boost leak? Is their anything else that makes them go high? The only fuel upgrade I have is a fuel pump re-wire. Also is it bad to have so much fuel going into the motor or do high fuel trims add a lot of fuel or what?

Second is my car likes to chatter when I let my clutch (SBR 3500) out at idle. But if I rev it up to like 2000rpm and let it out it doesn't shake. The shop that installed it said it is because it is a high performance clutch. The shop said they tried everything, but pull the tranny to see what it was coming from, and they couldn't find anything. Is it possible that the clutch is wrecked already, (it's brand new by the way)?

I told the shop I wanted to put the Transfer case from my other car 1990 AWD in my 1992 and they said it doesn't fit or line up properly. I thought a T-case was a T-case and that they were interchangeable??? If the transfer case was from a JDM motor setup could that have been a reason?

I think thats it for know, Thanks.
 
The clutch chatter is normal for a brand new clutch. Is it a street disc or a 6 puck. For the fuel trim question, I have no idea. My car has the same fuel problem, even though I know my car is not lean at all. Good luck
 
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