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Discussion Starter #1
Hey whats up guys...first of all great site and need the help.

Well, I had a CEL code 45 (runing too rich too lean) a month ago...took it to a shop and they installed an aftermarket fpr w/ gauge and set it to 50 psi. Last night I was driving home and got a code and checked it this morning. It was the same one (code 45). So should I try adjusting the fpr OR go other means of fixing this problem...tia.

Set-Up:
Greddy turbo bolt-on kit w/ FMIC (stock boost)
Greddy Blue Box
DOHC fuel pump
Stock injectors
NGK spark plugs
 
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I doubt that's a fuel pressure problem. Probably a tuning issue. I ran a stock fpr on 10psi of boost for awhile with no problems at all.
 

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Turn fuel pressure down to about 40-45 tops!
 
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figured i'd come back and give an update...well i set the fpr to 45 and now its working like a champ...thanks guys.
 

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hit the dyno to see what the air/fuel ratio is..

this isnt the best idea but some places you can get 2 or 3 runs for like 50-75 bucks with the wideband and just play with the fpr till you get it close to what you want by the third run..
 
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