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AMM diagnostic 200 1991

The car (91 245 SE model) is idling poorly. Check-Engine light comes on a few days after reset. Code reads 1-2-1 and 2-1-2. I removed the AMM and check the resistance; 3 ohm (within good spec range).

Wondering what is the right procedure for checking the AMM! Thanks!






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New AMM diagnostic [200][1991]
posted by  Vin  on Wed Mar 30 13:37 CST 2005 >


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