i apperciate all of your suggestions, but lets go deepe - Saab Performance Bulletin Board - Saabnet.com
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i apperciate all of your suggestions, but lets go deepe
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Posted by travis (more from travis) on Fri, 13 Jun 2003 21:09:04 Share Post by Email
In Reply to: a lil more, jak [Profile/Gallery] , Fri, 13 Jun 2003 18:00:17
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i have swapped the injectors. i guess i'm factory trained but i have never had to fix a saab by using a diagnostic value not in the factory book ( i own the 900 set.) the bently manual refers to a measurement across both injector pins that would be between 1.5-.5 volts depending on temperature. the bosch lh technical training manual that i got a hold of today makes no reference to injector voltage except that the ecu compensates for battery voltage differences. i get twelve volts from the injector connector to ground(with the car running,) and that made me think something was going on. this is a simple system (compared to any trionic) and i can't believe it's something i haven't seen before. i have replaced any component that i suspect (recently parted the same car) and done a pin check on the ecu.
i have cleaned the grounds at the head (tsat area) and under the radiator. all of the ecu grounds test 0 ohms at the ecu connector.
appreciate some thoughts, as i has to be something i'm overlooking (maybe?)

thanks all

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