Cadillac Repair: Trouble codes, cadillac deville, ff13

Question
QUESTION: Hi, I have a 93 cadillac deville 4.9 engine and the trouble codes  came up in this order, e27, e52, e75, e91, e98, f13. What does each stand for and what can i do to fix them?

ANSWER: The FIRST thing you need to do is CLEAR (erase) ALL these codes from the computer and see which codes return as E or EE codes or F or FF codes.

---------- FOLLOW-UP ----------

QUESTION: I cleared the codes and this is mwhat came back up in this order:

..E
E27
E52
E75
E91
E98
..F
F13
.F.F
F13
.7.0

Answer
You did NOT clear the codes properly or the E and F codes would have NOT returned.

as for the FF13 = in-vehicle temperature sensor circuit problem.

If you want me to provide PICTURES and test procedures to fix your problems, E-mail me at: onlineautohelp@msn.com