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Broken Down 740. Need some help with codes. 700 1990

posted by  Matt C on  Wed Jul 3 10:45 CST 2002
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Driving down the highway yesterday, my car started bucking and finally stalled out. Limped it over to the rest area. Called a friend and told me to unplug the air mass meter, run the car, then plug it back in. Seemed OK. Pulled the fault codes... 1-2-1 : AMM not there, unpluged it so I know what that prob is. 3-2-2, connection broken at terminal 8 and 4, must have been a fluke because it's not comming back up. 2-3-2, fuel mixture is too rich at idle. This last one keeps comming up after the computer is reset by unplugging the battery. Is this something I can fix or diagnose by myself or what should I do?
Also, weather is 106 degrees up here in New Hampshire so I was running the AC. Car overheated and boiled over. Is this typical of the AC to do this or not.

Thanks a bunch.

Matt
--
'90 740 Turbo with lots of upgrade, 83' 242GLT, '78 245DL fully restored, '72 142E






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