yep, refer to bentley - Saab 900 Bulletin Board - Saabnet.com
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yep, refer to bentley
Posted by Siegfried (more from Siegfried) on Wed, 1 Aug 2012 15:13:21
In Reply to: Re: OBDI codes, Justin VanAbrahams [Profile/Gallery]
, Wed, 1 Aug 2012 14:29:43
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Saabnutt,
E103 = throttle position sensor's full-throttle contacts constantly closed
E020 = Pump relay control circuit faulty
I'm not sure about E103 since your 900s'91 should feature LH ver. 2.4.2 which goes with VR (variable resistance, from 0% all the way to 100%) throttle position sensor, not click-click one (which shows only either fully closed throttle and fully open), but service manual 348425 "2:3 Fuel system, injection engine; M1981-93" does not break down E-codes for 2.4.2 version.
Just like Justin, I don't fully understand what you're saying. I can only say that LH ECU drives the pump relay with the ground signal: the pump relay gets positive voltage for both the contactor and the coil from the ignition relay.
Good luck,
Zig
posted by 188.134.44...
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