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- Cadillac Deville (https://www.cadillacforum.com/forum/cadillac-deville-15/)

- - 93 Deville-Service Eng. Codes (https://www.cadillacforum.com/forum/cadillac-deville-15/93-deville-service-eng-codes-2926/)

tcfox

06-04-2007 08:23 PM

93 Deville-Service Eng. Codes

The service engine soon light is on and these are the codes: 27,40,48,52,91. While driving sometimes the engine dies and shift to neutral and starts right back. The air conditioner quit the same time the light came on. Also getting lower gas mileage. Any help will be appreciated.

Katzmans Caddy

06-06-2007 08:59 PM

RE: 93 Deville-Service Eng. Codes

http://myweb.accessus.net/~090/dtcobd2.html

Lots of good information here, details on the codes too.

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