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#1
05-19-2021, 04:38 PM
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Making oil in 250 verado
My 2018 verado is making oil and it is gas. My first oil change was normal but next oil change it was at the top and running out. Change oil and is still making oil. Took it to dealer twice and they said it's normal and didn't fix nothing I changed thermostat but my motor runs around 145 degrees about ever 10 hrs it's top of dip stick again. Changed oil 3 times since I started to have this problem. I run at 6100 rpms wot and never troll with motor. Any help would be appreciated cause I can't get any help from my dealer
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#2
05-19-2021, 05:50 PM
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Quote:
I'm no mechanic but....uh, NO. Id get another opinion.
__________________
2019 Ranger 621 FS/Mercury 300 Pro XS/Mercury 15 EFI Kicker 2014 Ranger 119/Mercury 225 Pro XS Optimax 4 Rivers Refuge Runners/PPF Woodduck Mud Motors
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#3
05-19-2021, 09:10 PM
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That doesn't sound normal. Go to a different mercury dealer, call mercury and ask for a service rep to look at it, and if they still say normal, demand an extended warranty. Also keep a good record trail, even if they don't want to write it up, keep texts or emails, and if you are just talking on the phone, follow up with a text or email stating your concerns that you still think something is wrong.
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#4
05-20-2021, 05:17 AM
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You might try posting your issue on The Hull Truth -- there's a regular very helpful participant on that site that is very knowledgable when it comes to Verado's -- David Wade.
Good luck
__________________
Jeff Asheville NC 2005 Boston Whaler 190, 150 OptiMax -- sold 2007 Triton 220 LTS, 225 E-Tec -- sold 2013 Lund 1800 Tyee, 150 Merc 4S -- sold 2015 Lund 2000 Alaskan SS, Mercury 4S 115 CT -- sold 2018 Ranger RP190, 115 Yamaha VMax SHO -- sold Boatless
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#5
05-20-2021, 10:39 AM
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Thanks . I try the hull truth
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#6
05-20-2021, 05:03 PM
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Water temp of 145 to low 150 is normal. The real question is what are your oil temps? If running 4000 rpm and higher the oil temp should be north of 190. It does take a while for the temp to come up. Short WOT will not do it. If the oil temp is not getting hot any 4 stroke will make oil.
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#7
05-21-2021, 06:00 AM
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Not quite sure on any 4 stroke making oil. My last 5 engines have been 4 strokes, and none have made oil, all while most always never running them hard, almost always under 4000 rpm. I do tend to run them for over 15 min at a time though, or much longer at times. F150 on a bay boat 5yrs, 250 SHO and 9.9 kicker 2 yrs, 300 Yam and 9.9 kicker going on 3 rd year with a lot of hrs on kicker. I check and change my own oil, except for the 1st changes, and have never had a rise in oil level. It seems, at least for me, that a longer run time works just as well or better than having to run them hard.
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#8
05-21-2021, 05:27 PM
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I had 250 verado and had no problem making oil I bought a new boat with the same newer motor and now have the problem. Changed oil the first time around 50 hrs and was fine but now it makes to much ever 10 hrs. I was wondering if there could be injector problem
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#9
05-21-2021, 10:53 PM
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Leaking injectors and bad fuel pumps can cause making oil problems. However, if the oil is not getting hot the problem can be a bad oil cooler thermostat. That's why I asked the temp question.
Find a dealer with a certified Verado tech. Making oil as you know is not normal.
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#10
05-22-2021, 10:34 AM
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We're is the oil thermostat located at
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