Bobbie Gilmore Posted August 5, 2012 Report Share Posted August 5, 2012 Hello CADDY PEOPLE I need some HELP BAD!!!!!!! ok i got a 94 cadillac deville.. it was leaking oil so i had i new oil pan gasket put on and it still leaks oil and now it runs like crap! i was told that it is leaking from the top some where... also i kinda ran the diagnostic thingy on the dash and it gave me a high heat sensor.. i think... and i hear a air nooise like it has a vacuum leak... which i dont know where to connect the tester to do the vacuum test.. ... i need help it runs like crap! but i love that car! Link to comment Share on other sites More sharing options...
Texas Jim Posted August 5, 2012 Report Share Posted August 5, 2012 Run the diagnostics again... Write down all the codes... POST THE CODES HERE... we need to know what the codes are before we can help very much. As for the vacuum leak... listen and try to figure out the area it is coming from... then look for a loose, broken or disconnect line. Link to comment Share on other sites More sharing options...
cdgrinci Posted August 5, 2012 Report Share Posted August 5, 2012 Sounds like the vacuum leak is your drive-ability problem; listen or have someone else listen for that sucking sound; as above, cracked, broken or loose hose usually the problem (with vacuum). Chuck '19 CT6, '04 Bravada........but still lusting for that '69 Z-28 Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 6, 2012 Report Share Posted August 6, 2012 If I am not mistaken, unless this is a Concours the 94 Deville is a 4.9 engine. Is this a Concours? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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