95SLS Posted February 17, 2006 Report Share Posted February 17, 2006 Just checking to see if anyone knows why I would be getting gas in the oil. Thank You Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 17, 2006 Report Share Posted February 17, 2006 Are you getting any codes? Is it running rich or rough? A leaky injector or a bad FPR could dump too much fuel but I believe you would have driveability issues. 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...
95SLS Posted February 17, 2006 Author Report Share Posted February 17, 2006 Nope runs fine no codes. Was having the problem with oil leak in haf case just kept putting oil in it as is not worth the cost of repair. Now oil is filling up with gas very thin and stays over full all the time. Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 17, 2006 Report Share Posted February 17, 2006 Pull your fuel rail up so you can see the injectors, have a helper turn the key on to pressurize the fuel system to see if you have a leaky injector, any dripping is not good. Obviously don't crank the engine. If you are getting this much fuel, you risk hydrolocking the engine, I would look into it. Its amazing the engine idles smoothly if you are getting that much fuel. Pull the vacuum hose off the FPR and see if you have fuel present. 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...
stefank Posted February 17, 2006 Report Share Posted February 17, 2006 This happened to another car of mine (no Cadillac) and it turned out to be the fuel pressure regulator as said by bodybyfisher. My car had drivability issues, thou, and was running very rich (black smoke). Stefan Link to comment Share on other sites More sharing options...
Ranger Posted February 17, 2006 Report Share Posted February 17, 2006 The FPR should leak into the manifold and burn the fuel when the engine is running. After shut down it would just leal into the manifold til the fuel system depressurizes and the be injested and burnt when the engine is started. A leaky injector on the other hand will leak into the cylinder til the fuel system depressurizes. Over night it would leak past the rings into the crankcase. My money is on a leaky injector. Link to comment Share on other sites More sharing options...
acklac7 Posted February 18, 2006 Report Share Posted February 18, 2006 Out of curiousity what does one look for when diagnoising "fuel in oil"? Is gas visable "in" the oil after you have drained the pan? Will the oil have a noticable odor of gas? (like when you wipe off the dipstick will the rag smell like gas?) A.J. Link to comment Share on other sites More sharing options...
stefank Posted February 18, 2006 Report Share Posted February 18, 2006 acklac7, symptoms I found was rising oil level, strong gas smell when sniffing the dipstick (not that I do that all the time ) and black smoke from the exhaust. Stefan Link to comment Share on other sites More sharing options...
95SLS Posted February 18, 2006 Author Report Share Posted February 18, 2006 Well agree on the injector will check it out monday and let you know. I know that in a big truck oil in the fule is usually due to bad injector but was not sure about a car, but the symptons are the same. Thanks for your input will help and give a place to start. Link to comment Share on other sites More sharing options...
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