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1990/91 Diagnostic Code Help 700

posted by  someone claiming to be Dennis Burford on  Tue May 8 15:58 CST 2007 [RELATED]

Hello all,

Quick story - son totals pristine low mileage (180K) 1990 Volvo 740 (side damage) and I go out and get 1991 740 w/311K miles and bad motor, bad interior, bad everything but good body. We transfer motor and trans, catalytic, ECU, ignition switch and a host of other mechanical stuff to long to list, oh and the interior too except dash. I'm getting Check Engine light, after code reset and about 25 miles driving, socket 2 is 1-1-1 (OK) and socket 6 is 4-1-3. This is a California car. Best I can surmise is, by chart, is EFG temp sensor, but I can't find it. Can you tell me is this assumption correct (I thought I had Bosch system (Bosch AFM) which shows N/A for this code, but maybe I have in part Motronic for CA emissions?) and if correct where is the EFG Sensor for the EGR? Thanks for your help, Check engine light is automatic emissions flunk here in CA.

Dennis






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