About a week ago i had that engine problem, and it turns out one of the injectors went bad, and started dumping fuel into the crankcase. Well when it was in the shop, i took a sample of my engine oil to be analyzed, and the results came back that by volume it was 75% diesel and 20% motor oil. I showed this to the dealer, and all they have done is change the injector. Now they are trying to tell me that my truck is ready. Well i know they may have fixed the injector, but my motor was being lubricated by diesel pretty much for approx 200 miles. You cant tell me that there was no damage to the cyliders, or any other lubricated part in that motor. I need yalls inputs on what to say to this dealer. Thanks Judd McClure

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I am sure this is done under warranty, and show them the oil analysis and tell them to change the oil and filter. I doubt you will get them to remove the pan and check the bearings , also the oil analysis would have shown metal wear if you had any.

 

Im new to oil analysis, and this test was done by a local lab here. How can an oil test reveal motor damage? Thanks

 

Handled pump repairs on MANY 12 valves slam fuel of diesel with high mileage.Never saw one hurt from it.After repair and a oil change they ran until the bodys rotted away.Engine got a 100k warranty.Do a few oil samples in the future and see if unusual metals show up.I bet not.

 

Guy here locally lost an injector tip and pretty much filled the crankcase with diesel. Nowhere near 200 miles in that condition and had to replace the bearings.

Just a little information, not trying to cause a stir.

Matt

 

The metal levels in your analysis will show you the wear of your engine. They compare new oil contents of the oil you stated you use, and compare to the sample you gave them. There are many different types of metals in your engine, and you can pinpoint a problem area when a certain metal is high.

You said you had 75% diesel fuel in your oil. That doesnt sound right. Not on a cummins. no matter what was wrong with the injector. Their design makes that hard to happen ( stock). Not saying impossible, but unlikely. Your problem lies elsewhere ( rings, piston, inj. pump seal, ect...)and your samples should of shown them.

75% diesel fuel in your oil would mean there was at least 2 gallon of fuel in your oil. And you shouldnt have made it to your dealer. Better recheck your analysis. And make sure that truck doent leave the dealer until the problem is corrected.

Are you driving a ford??

 

75% diesel and 20% motor oil? What was the other 5%? And where in the motor is their room for 12 gallons of diesel fuel? I'm calling BS on this one.

 

The truck never made it to the dealer, it had completely shut its self off.

 

i dont know weather to call BS or not. could be if he hadnt mixed the pan up he just got a asample that was 75%, being the diesel would float onf the oil.


The ammount? well cant say pooh hah to that either. Weve been having some DT 444s come in latly that have cracked pickup tubes Tech Central way to test? Fill it with enough oil to pass the pickup. So it takes 58 qts of oil to completly fill it up that high on a 444. So i coul see where it went. but id be more worried about hydro comp if your dumpin that much fuel into a cylinder, and id think youda noticed a purty smoky and ruff truck

 

ive noticed all these symptons about running ruff. when we took the sample we let the truck idle for about 10 minutes, and then took the sample. im not trying to start a war i just need to know what to say to the dealer.

 

You might start by telling them to pull the head and check the cylinder wall.

Matt

 

They won't pull the head unless a reason.Could do a compression test.If ts ok no reason to pull a head.Engine has 100k warranty.

 

If your worried, trade it in.

 

Compression test, lot better idea than pulling a head off! Good call.

Matt

 

Heres what I would do. when you go pick up your truck ask if they changed oil. If not, take another sample and then have them change it. Show them the results from 1st oil sample. Then drive the truck for a while get it good and hot and change oil again. Drive your truck for a while, watching your oil level. Then take another sample. You shouldnt find much metals in this sample because there wont be many hrs on the oil. Your looking for diesel content. Then compare.

Ask what happened to the injector for it to dump that much fuel down the cylinder. Your truck shouldnt of made it 200 miles if a injector was putting out that much raw fuel. Your rail pressure sould have been to low to satisfy the other cylinders. It probably wouldnt go over 1500 Rpm. Your injector would look like a garden hose without a nozzel. Plus the lack of lubrication.

Your dealer probably wont do anything right now If the truck is running fine with no knocks or misses. If it were, they would probably ask about your Edge box

Get some better info on what really happened.