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are there any lh experts out there?
Posted by travis [Email] (more from travis) on Thu, 12 Jun 2003 20:55:45
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I have fixed saabs for 10+ years. can't figure this one out (in a time efficient manner.)86 900 S runs rich- black smoke and all. if i create a massive vacuum leak (aic hose and thumb) i can get it to run fine. i started with swapping the lh box, and air mass meter. no difference- tried injectors and regulator, nothing. thought maybe the fuel return was pinced. ran a line into a bucket- no difference. i then did a pin check on the input/output signals to the box and they all seem to be ok. pulled open the lh harness from the aic valve to the evaporator housing and it seems to be ok. thought about some crazy ignition problem or rpm signal to the lh box, tried an ezk box and coil as well as both pulse amplifiers. don't know why as it rus perfect with a vacuum leak...... but this car is making me crazy.... if anyone has any thoughts, your help would be greatly appreciated...
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