Cadillac Repair: 88 deville speedometer not working, cadillac sedan deville, oxygen sensor


Question
QUESTION: Hey, I have a 1988 Cadillac Sedan Deville and the speedometer/odometer just quit working. Also at the same time the check engine light flashed a few times and is now on all the time. The speedometer is the needle type.Thanks for any help you could give me.

ANSWER: If you know how to retrieve the codes from the computer, Do so and let me know what codes you get.

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

QUESTION: The codes I came up with are as follows:
..E E13 E24 .E.E E24 ..F F48 .7.0
thanks again for your help  

Answer
1. Replace the oxygen sensor as it is starting to fail.

2. Replace the SPEED SENSOR.

If you are mechanicaly inclined or know of someone who is, You will need simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.