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1990 740 turbo too rich help

posted by  ufarley on  Sun Mar 6 12:19 CST 2005
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This is driving me crazy, I've checked all the hoses cleaned the tb, cleaned inside all the hoses changed the coolant temp sensor, air filter clean, changed o2 sensor, put on a new cat(now full of soot), try to make a lean situation but no luck still runs rich. The first code I get is 3-1-2 wiring break between ezk terminal 4 and fi#28 what this means I'm not too sure then I get 2-1-3 wiring fault to tps or tps failure I've checked it and adjusted it 4 times and tried another one from a good running car same code comes up and then of course 1-1-3 mixture incorrect 02s wiring fault. Can someone please help I'm in a real bind and beside myself. Reply back to ufarley@earthlink.net Thank you Chuck






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