Question about 1995 Lincoln Mark VIII
113 is the IAT (inlet air temp) sensor reading is above maximum voltage -40 deg indicated. This is the sensor that is in the air tube from the air filter box to the throttle body. It will have a black 2 wire connector. This is usually and open ckt like sensor unplugged.
635 is not a good code but the 600 series codes are transmission codes. However if it is a code 637 maybe, then that would make sense because that would be a trans fluid temp exceeds maximum voltage indicated -40 deg and both of these sensors share the same circuit in the GY/R wire,this is the signal return.
If this is the case you may have a broken wire so I would try and overlay that circuit from pin 46 of the PCM to the IAT sensor first and see if that corrects the 113 and it may also back feed that ckt and clear the other code also.
Posted on Mar 06, 2009
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Posted on Jan 02, 2017
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