Re: High idle, erratic hunting - Saab 900 Bulletin Board - Saabnet.com
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Sounds like classic AIC stick/death syndrome. When the LH control unit doesn't get the results it expects from the idle valve, it will revert to full open (around 2k) and attempt to gently lower it to the desired value. This may give you the CEL, and if it only sticks when it's cold (again, classic AIC) the adaptives on the computer may realize it's been fixed and shut off the light.
Pretty nice, isn't it? Fix the problem (or the problem goes away) and the light shuts itself off WITHOUT having to surrender lots of money to a dealer-that-just-happens-to-have-a-code-reader?
Before you pull the battery again, check to see if any AIC codes are stored in the computer.
What year's your convertible?
Posts in this Thread:
- High idle, erratic hunting, whitesaab, Sat, 4 Mar 2006 09:38:33
- Re: High idle, erratic hunting...Link..., Joonyerr, Sat, 4 Mar 2006 22:11:28
- Re: High idle, erratic hunting, Saana88 , Sat, 4 Mar 2006 09:47:18 <-- Viewing This Message
- Re: High idle, erratic hunting, swede-murphy , Sat, 4 Mar 2006 18:23:04
- thanks Saana88 nm, vvack0matic , Sat, 4 Mar 2006 12:12:35
- its a 1990, whitesaab, Sat, 4 Mar 2006 09:56:03
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