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Question on codes. Where to start looking 200 1992

Just got an new to me '92 240 sedan and it's seems to be throwing some codes that won't stay cleared. They are as follows:

113 Lambda control. Engine running too rich/lean

232 Lambda control. Engine too lean or too rich at idle

144 (EZK) Load signal from ECU missing

Where do I start looking for areas that would throw these codes. The car has 200K on it and looks like the original CAT & O2 sensor. I plan on doing a full major service, but if anything else needs attention, I'll do it at that time.

Thanks.






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New Question on codes. Where to start looking [200][1992]
posted by  Xraybob  on Mon Aug 12 17:52 CST 2013 >


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