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I changed my head to non turbo n i put a turbo engine in a nonturbo car

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streetsweeper1

Probationary Member
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Nov 8, 2005
Port knox, New York
:mad: Aight i have a 90 fwd eclipse non turbo shell i put my turbo ecu in and my turbo wireharness i changed my 6bolt jdm head to a non turbo first i torqued it without a torque wrench n i tried to start it would jus turbo over n over *than i checked the oil it was mixed n than water like throw up i drained out my oil pain first water came out WTF than a mixture of water n oil lookin like throw up than i took all of that out of the oil pan let it dry up for 24 hours than i torqued it to 65lbs n the head gasket is still like new i even took a pic of it b4 puttin on the head *now my dip stick smells like gas n spark plus there is lil floods of gas on the top of the pistons* im gettin spark n fuel n the timin was set perfect* N now when I crank the engine everytime i crank it white smoke comes out of the turbo into the air filter n smoke comes out of the turbo outlet pipe goin thru intercooler into the intake pipin n I don’t have my down pipe on but I don’t see anything comin out of the o2 housin wat can that be n the smoke smells like gas a lil. im really at the point where i want to get rid of my dsm but i aint gonna give up jus yet
i read up n heard how it could be the coolant sensor reading ## engine to cold from the ecu i opened up my ecu one of the caps is type burned on the bottom a skinny black line goin to the cap is now like exploded type wide and the little black circle on the bottom of the ecu it type sticky i know my ecu was fine because i took it out of my other dsm that was runnin b4 I put the ecu in this car * So even if it was damaged I know it still worked but another thing my use to take like 5-10mins to start when I had it on my workin dsm ### give me some type of advicethe little black circle on the bottom of the ecu it type sticky n the cap dat says @16v is the one that is type burned n this is not my ecu in the pic jus usin it to spot things
 

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The black parts are drives for the various solenoids, relays, and the ISC stepper motor.
If you fried either IC105 or IC107 then either the ISC coils are shorted to +12 or the capacitor leakage you noted damaged the board causing the short.

So, your ECU is damaged and will need to be repaired. You need to measure the ISC coil resistances and replace the ISC if it's bad to avoid burning up any other ECU you put in that car.

Steve
 
Definately do a compression test. If you had water in your cylinders it could have bent a valve. :dsm:
 
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