06-07-2006, 12:58 AM
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t1-t2 conversion idle issues....
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Naturally Aspirated
Join Date: Jun 2006
Location: Washington
My Ride: 1986 Shelby Charger
Engine: 2.2l turbo
Induct: Turbo
1/4: 0.000
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Heres what I did, converted a t1 to a t2 in an 86 shelby charger. Custom computer from fwd performance, front mount intercooler,bov, 2 piece intake, stock turbo,Very mildly ported head (ran before conversions no issues), Stock bottom end. (did all of this at once)
Heres the problem...
scenario 1.) car starts,power loss lamp on idle at 4000 +- 100 rpm surge, Car is running really rich on gauge over 22% throttle revs limit to 2000.Let off gas bak to 4000 Fault code 13 , 11 and 41, code 13 explains the rev limit at 20% throttle neither explain the high idle...
Scenario 2.)Car starts, no power loss lamp on.Idle surges between 2000 rpm to 3000 then back down...over and over idling up its pegged rich, back down to 2000 its super lean.... Will rev out to 6000 (pig rich) at partial throttle (20 pds vacuum). At full throttle rpm limit is 3000 manifold pressure climbs to zero(rich).No fault codes but 55 and 11...that doesnt count
What ive done thus far is replace every vacumm line in the car and checked for air leaks with wd-40 as well as smoke, found none.
My pcv is ran into manifold in a t with the extra line hanging out with a check valve and a filter so that when the manifold is under vacumm the check valve closes...doubt its the problem.
afpr is functioning properly I beleive(55 static 35-40 under vacumm) and is not leaking any gas into vacumm system.Map sensor worked fine 1 week ago, before conversion. Ignition timming is at 12 degrees per spec....
Thats all the information I have
I dont know were to look now....
-thanks for reading this lol
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