LUCAS FI Hopeless ?????? (quite long and sad) - Saab 900 Bulletin Board - Saabnet.com
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LUCAS FI Hopeless ?????? (quite long and sad)
Posted by Alain (Luxembourg) (more from Alain (Luxembourg)) on Fri, 22 Dec 2000 03:19:41
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I have 2 900T16S (SPG) one 1990 and one 1992. The '92 is not idling correctly (eventual misfiring not really really bad but very annoying). During the last weeks I checked everything (hoses, Ohms (AMM, throttle pot., temp. sender) and changed the AIC valve, AMM, canister valve and finally the ECU from a known good car (my 1990) : absolutely NO change.
My o2 sensor fluctuates between 0 and 1 volt when the car is at temperature, well, I don't know what to do anymore. One thing that absolutely kills me is that my 1990 has at least 2 major air leaks (PCV and turbo hose over clutch cover) and is not even affected by this (idle is strong as a rock and the vacuum is 0,7 bar which is 0,2 better than the 1992)!? Last point : the 1990 has the first ECU version, the 1992 the C04 version (but changing the ECU didn't help as I wrote before).
Any help REALLY appreciated.
Tia
Alain
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