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 wierd fuel trim problem

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L8-2BNGO
Enthusiast


Name : Devin
Age : 30
Location : Orlando
Joined : 2009-03-28
Post Count : 135
Merit : 2

PostSubject: wierd fuel trim problem   Wed Dec 09, 2009 9:59 pm

Ok I have been tuning my car for a while, but I cant seem to get over this one problem. When I start the car and run it for a bit, it runs fine; + and - 5 fuel trims, but when it gets a little hot, the fuel trims get pegged at -22.4 untill i start moving. What can cause this?
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deekster_caddy
Master


Name : Derek
Age : 45
Location : Reading, MA
Joined : 2007-01-31
Post Count : 7716
Merit : 109

PostSubject: Re: wierd fuel trim problem   Wed Dec 09, 2009 10:29 pm

If you sit at idle for a while do the ltfts return to -20?
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L8-2BNGO
Enthusiast


Name : Devin
Age : 30
Location : Orlando
Joined : 2009-03-28
Post Count : 135
Merit : 2

PostSubject: Re: wierd fuel trim problem   Thu Dec 10, 2009 1:37 am

well if the car is hot when i stop it automatically goes up to -22
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Mr.Riviera
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Name : Matthew
Age : 31
Location : Florida
Joined : 2007-01-17
Post Count : 4349
Merit : 99

PostSubject: Re: wierd fuel trim problem   Thu Dec 10, 2009 10:20 am

Not just his car, but mine too.
We made sure the EGR code was set so it wouldnt cycle while siting too.

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1996 with 244k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs.
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