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I got in my 1990 900s today and it started fine (it takes a few attempts, always has), and it ran perfect all the way to the fuel station. However, after restarting it to leaving the station, the car would hardly idle or run. I barely got home but it died several times. I noticed that the check engine light also came on, but was not on earlier. Here are the codes that I extracted from the computer...
12231 (this was only on because the engine was not running at the time I was reading through the codes)
12221 - no signal from air mass meter (LH system is in limp home mode)
12224 - air-fuel mixture too rich
12112 - oxygen sensor self-compensating circuit problem(incorrect air-fuel ratio at idle)
12223 - air-fuel mixture too lean
This is the first time I have extracted these codes before and so I am very much lost. Any assistance would be greatly appreciated. Thank you!
Posts in this Thread:
- Help! How do I make sense of computer codes?, BAAB
, Tue, 21 Sep 2010 14:36:11 <-- Viewing This Message- Grounds cause many weird issues, Jon
, Wed, 22 Sep 2010 07:29:55 - It probably needs an ECU, AaronG, Tue, 21 Sep 2010 20:21:00
- Re: Help! How do I make sense of computer codes?, Larry West
, Tue, 21 Sep 2010 18:08:35- AMM, BAAB
, Tue, 21 Sep 2010 19:31:59
- Re: Help! How do I make sense of computer codes?, Earl, Tue, 21 Sep 2010 15:27:24
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