240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
-Connect an ohmmeter to the heater wires (two-wire connector). The pre-heating resistance should read:
-COLD LAMBDA SOND (20°C = 68°F).......................................................................................................................................................3 ohms
-HOT LAMBDA SOND (above 350°C = 662°F).......................................................................................................................................13 ohms
-If the ohmmeter reading is incorrect, replace and retest with new Lambda sond.
