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1995 deville
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Discussion Starter #1
I have a 1995 Cadi Deville. Speedometer drops to zero, service engine light comes on, transmission stays in one gear, not shifting. Already changed speed sensor. Anybody have any ideas whats happening? Or better yet, how to fix it? Thanks for any input!
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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Go to the top of the main Deville page and read the sticky thread "How to pull codes". You want the link for OBD-I.

Your car logs its own Diagnostic Trouble Codes and stores them. You can see what's causing various problems by studying the above thread. It's all built into the car. You don't need an aftermarket scanner and you don't need to go to AutoZone.

(If you read this this evening the sticky will be a couple of threads above this one.)
 
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