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1g not running up to par

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petey882

10+ Year Contributor
44
0
Jan 7, 2009
indian trail, North Carolina
hi have searched the forum and cant really find anything like what i am experiencing...... i have a 90 eclipse with 92 ecu swap has 16g turbo and 3" exhaust no cat, and walbro 255 hp pump with afpr set at 40psi...... car started running a little funny last week... when i first start driving the car it seems fine but the more i drive it and it warms up it seems like when the motor is under a little bit of a load something is taking power away almost like when your ac compressor kicks on and u feel that little bit of power go away but my car does not even have a compressor anymore so im not sure what it is.... today i checked the timing with timing light on upper cam gears set it at 5* also put new plugs in and chaged fuel filter still does the same thing...... about a month ago i put in prothane motor mounts and my idle went down to where the car would not stay running but i adjusted the biss screw like someone here suggested and that made it idle fine and car has been running fine since except for whats happening now...... i also did a boos leak tes today and everything is fine there also.... i dont have a logger or anything like that.... i was geeting check engine light but went away today when i unhooked battery but im sure it will be back on in a few days...when it was on i checked it and was getting injector code 41 and egr code( cant remember the number) not sure if this has anything to do with it but check engine light is not on right now and car still acts like sumthing is taking power away when it is warm..... would a bad alternator cause this by chance sometimes when i turn my inside fan on high my alt belt will squeel the whole time not sure if its just too loose or if my alt is going bad and maybe causing other probs too.... please help sorry this post was so long just want to give all the info i can
 
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