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Re: '89 900T AIC Not Working - Tried Many Things With No Luck Posted by Bernie [Email] ![]() ![]() ![]() In Reply to: Re: '89 900T AIC Not Working - Tried Many Things With No Luck, Jeff Rininger, Sun, 17 Sep 2023 10:36:47 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Hello,
What I was saying is a bad ecm leads to idle of 1700 rpm's not a hunting idle. Remove the TPS plug and jump the wires. I have seen TPS that show no excessive resistance but does not send the correct signal. As far as a quick test if the AIC is sticking tap it with something. I did not know that they still sell a new AIC that is not chinese junk. LH is a pretty simple fuel injection system. Have you tried a smoke test to find air leaks? Good Luck, Bernie
_______________________________________ George Riggin Specialty Automotive Current Saabs 1993 900 Turbo Conv. 1993 900 Turbo Conv. Auto 2003 9-3 Conv 2004 9-5 Arc Sedan 2005 9-3 SS 4 door 2005 9-3 SS Conv 2007 9-5 Aero Sedan 1986 900 Turbo Conv A few parts cars also
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