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23 messages,  Last post on Sep 01, 2009 at 6:51 PM

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#1 of 23 9o ram has gas in oil, any ideas why?? by jake1961 Feb 10, 2007 (3:21 pm)
Nephews truck has gas in oil and low oil pressure. here's what he says.   Truck is a 1990 automatic trans, fuel injected model.        He seemed to have more difficulty starting it when it started getting cold outside. It always seemed as though it was probably burning some oil as dark grey exhaust was noted. According to the starting instructions in the manual, he is supposed to turn on the key and start without pumping the gas. This used to work OK but it cranked for some time before starting. As it became more difficult to start, sometimes he would pump it a bit. Later when it wouldn't start, we would sometimes follow the "flooded" instructions by cranking it with the pedal down to the floor.        We put in a small container of IsoHeet gas antifreez. This contains isopropyl alcohol and the instructions said it could be added before or after filling tank and that it treats 10 gals. of fuel. The guage shows about 1/4 tank. It still wouldn't start.        After changing the spark plugs last weekend, it started up without too much cranking. We let it idle for a while and noticed that it was putting out a light gray-white smoke (even smoke rings). I drove it back and forth in the driveway a few times and let it warm up. When moving it over to the parking space, I noticed the oil light coming on a bit then going off, then on again. He also has a guage which shows oil pressure but I unfortunately did not pay attention to it. After turning it off, I checked the oil and there was none on the dip stick. I assumed that over the months with him starting it, some had burned away. (we changed the oil and filter soon after getting it in Sept. putting in 5 qts.). There was some light smoke (I assume from the heat) coming from the oil fill opening. I waited for the engine to cool and put in a quart.        The next day, we checked the level and the dip stick had "oil" up about 6" on the dip stick. We tried to start it and it made a few small "back fire" type noises and we noticed that the oil pressure gauge was at 0, so we stopped. Chris said he used to see the gauge go up some while cranking it.        After talking to you on the phone, we smelled it and it seems there is gas in the oil. Today we drained it and about 10 quarts of fluid came out. This seems like about a gallon extra of gas. We did not put any new oil back in since we wanted to hear from you if you have any suggestions.        How would gas be getting into this area? Could it have leaked down the pistons past the rings? Could the gas antifeez treatment have caused something to dissolve or was it too much antifreez for the amount of gas he has in his tank?   Thanks for any and all help/advice. Replies to this message: dustyk (Feb 12, 2007 7:35 pm) hpleese (Feb 17, 2007 4:20 am) 90ram (Feb 18, 2007 7:49 pm)
#2 of 23 Re: 9o ram has gas in oil, any ideas why?? [jake1961] by dustyk Feb 12, 2007 (7:35 pm)
Replying to: jake1961 (Feb 10, 2007 3:21 pm) Hmmm. That's a heck of a lot of raw fuel! Well, I can only think of three ways that much raw fuel could get into the crankcase:   *Something incredibly wrong in the Evaporative Control System, with vacuum pulling fuel out of the canister and in to the engine.   *A defective Fuel Regulator causing an over rich condition which allows unburned fuel to pass the rings and through the valve guides.   * A bad intake manifold gasket.   Best regards, Dusty Replies to this message: hpleese (Feb 17, 2007 4:20 am) 90ram (Feb 18, 2007 7:49 pm)
#3 of 23 Re: 9o ram has gas in oil, any ideas why?? [dustyk] by hpleese Feb 17, 2007 (4:20 am)
Replying to: dustyk (Feb 12, 2007 7:35 pm) Remove the intake manifold and replace the belly pan and Gasket.. That should take care of the fuel in oil Replies to this message: 90ram (Feb 18, 2007 7:49 pm)
#4 of 23 Re: 9o ram has gas in oil, any ideas why?? [hpleese] by 90ram Feb 18, 2007 (7:49 pm)
Replying to: hpleese (Feb 17, 2007 4:20 am) ">Thank you for your reply. We are the owners of the above listed "sick" Dodge Ram. We looked at a shop manual about the Evaporative Control System-the charcoal canister in particular. I assumed that we would be able to open it up and check it to see if it is saturated with gas but it appears to be sealed. Is there a way to open these canister up? The threaded bolts sticking out of the top only have threads with nothing to grasp onto. Also it says the cap cannot be opened. If you read my long letter regarding our problem, you read that we drained out the gas infested oil and since then we replaced the oil filter and put in 5 quarts of fresh oil. When we tried to start the engine we noticed that the oil light was on during cranking and the oil pressure gauge did not move from the 0 area. Usually it moved up some while cranking. We are not sure why we are not reading any oil pressure. Is it possible something has happened since we ran it for a short time with the gas mixed with the oil or could there be something wrong with one of the computer driven sensors, etc. Some of the possible solutions regarding the gas in the oil that were listed can be checked with the engine running. We are now unable to start the engine without oil pressure. We appreciate any advice you may have regarding the lack of oil pressure as well as the gas in oil problem. As I noted in the original letter, we used to start the engine and let it run for a while but probably it never really warmed up properly. Also since it did not move from its parking spot, could this have caused the charcoal canister the become super saturated? The suggestion to replace the intake manifold belly pan and gasket sounds like a very big project. Is this something that a few beginner motor heads with a shop manual can handle? Thanks again for you help. Sorry about the wordy letter.
#5 of 23 no oil pressure, why? by 90ram Feb 22, 2007 (7:58 pm)
After changing the oil and filter after draining the old oil with the gas mixed in, we have no oil pressure showing up on the gauge and the oil light is lit while cranking. Does anyone know why or what we can do? Thanks.
#6 of 23 no oil pressure after draining gas tainted oil by 90ram Feb 22, 2007 (8:07 pm)
#7 of 23 no oil pressure after draining gas tainted oil by 90ram Feb 20, 2007 (8:09 pm)
We have a 1990 fuel injected Dodge Power Ram.  We had a problem with gas in the oil crankcase (see other discussion title).   This was possibly due to faulty fuel injector? but now have no oil pressure reading after draining the gas contaminated oil.   We refilled engine with fresh oil and a new filter. When cranking engine to try to start it, we noticed that the oil pressure gauge was not moving up as it had in the past and the oil light remains on while cranking.  We did not try cranking too long as we didn't want to do any damage. Does anyone have any ideas why we are experiencing this, what went wrong and what can we do now? Thanks.
#8 of 23 1995 corrsica gas in oil by pirateace Feb 21, 2007 (4:26 am)
I had gas in oil found vacum on throttle body off fixed cahnged oil ,filter, pvc after 3 days low oil light on when cold start only. found gas in oil after passing car & blew smoke then got hot. fixed vacum. what has gas in oil damaged to make low oil light come on when cold start.   Replies to this message: 90ram (Feb 22, 2007 8:07 pm)
#9 of 23 Re: 1995 corrsica gas in oil [pirateace] by 90ram Feb 22, 2007 (8:07 pm)
Replying to: pirateace (Feb 21, 2007 4:26 am) Thanks for your reply. I will check the vacuum hoses and pvc. I'm not sure what you mean by your last sentence. We had gas leaking somehow into crankcase, probably a faulty injector or pressure valve and after draining it and replacing with fresh oil, found that there is no oil pressure showing on the gauge. What to do? Thanks.
#10 of 23 1996 Ram 1500 Oil Pressure problems by johnny002 Apr 09, 2007 (2:59 pm)

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