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How reliable is the Duramax L5P engine? Read common engine problems and reliability issues with the 6.6L L5P turbo-diesel Duramax engine.P1050 code def level sensor 19. Can't find any for sure info anywhere on 2019 duramax Def level sensor. Is it built into the pump? Or is it a separate assemble, when I look up the part numbers it just shows the pump and the module, but there's something else plugged into the center of the def tank. I can't see the part number on whatever is in ...273. 9.5K views 10 months ago. The 4th injector is causing a problem for these high mileage 2017+ Duramax 6.6L trucks. On this Diesel Insights, Nick gives you a good tip that costs nothing to...32750 Views 38 Replies 20 Participants Last post by Coloradorob , May 2, 2021. G. gearhead Discussion starter · Aug 8, 2019. Hi, I’m new to the forum. Been reading the posts by others. Seems there is an ongoing issue. with the ( DPF ) diesel particulate filter system. I also had 2 visits to the dealer for this issue with less than 16,000 miles.Reduced engine power. P228B. Hey guys. 2018 GMC Sierra. 3000kms. Was driving home. About an hour. Turned onto my road and lightly accelerated like normal and the truck just died. Immediately reduced engine power message came up. 2 seconds later I got all power back conveniently I had the throttle mashed.I think you're referring to the P026D. No big deal, but if one was to change the filter housing, there are a lot better products than another of the same OEM el-cheapo that are available as options. ... 2019-2020 Silverado 4500HD/5500HD/6500HD; and 2020 Silverado 1500 and Sierra 1500 models equipped with the 6.6L V8 Duramax diesel …Save. 98SilvZ71 Discussion starter · #6 · Jun 20, 2017. They have had the truck since Saturday. I had to call and check on it as it is getting close to closing time there. Service advisor told me they had to put an indirect injector in it. I assume since its P20EE and not P20CC that it is the def injector.2017 L5P Duramax Code P026D. For those folks who may have the check engine light come on and the following code comes up: P026D, I want to let you know that, for me, it was the MAP sensor being dirty. It has happened twice in the last few months, and I have been able to clear the code by cleaning the sensor.Jul 17, 2022 · A common cause and relatively easy fix, if only temporary, would be to pull and clean the MAP sensor. If it's plugged and unable to read the correct manifold pressure then it's not going to inject the right amount of fuel which is what can cause the P026D code to trip. If it's not a plugged MAP then give this TSB a read as that may be the next ... Reduced engine power. P228B. Hey guys. 2018 GMC Sierra. 3000kms. Was driving home. About an hour. Turned onto my road and lightly accelerated like normal and the truck just died. Immediately reduced engine power message came up. 2 seconds later I got all power back conveniently I had the throttle mashed.For those folks who may have the check engine light come on and the following code comes up: P026D, I want to let you know that, for me, it was the MAP sensor being dirty. It has happened twice in the last few months, and I have been able to clear the code by cleaning the sensor. I looked up...The second common problem with the 3.0 Duramax Diesel Engine is the oil leakage from the rear main seal. The third common 3.0 Duramax problem is inappropriate DEF fluid consumption. The fourth documented issue with 3.0 Duramax might be a damaged belt, sitting with the oil pump, that has to be inspected after 150,000 miles.Aug 3, 2021 · Diagnosing a P026D Injection Quantity Too High DTC on a L5P Duramax 2018 l5p p0191. Just purchased a 2018 chevrolet duramax only 40k miles. After a week of owning it, it through a code p0191 for fuel rail pressure low. Took it to dealer they changed out fuel pressure sensor and wiring kit. That didn't fix it. Took it back 2 days later. They cleaned out a corroded sensor and that didn't fix it.

Currently sitting at 96% soot with 212 miles since the last regen with 4% still to go before the regen cycle starts. Feeling pretty good. Waiting for the mobile regeneration cycle to start. That will tell me a lot. This link The Diesel Exhaust System and DPF Soot Accumulation – TechLink will tell you a lot about the 2017-19 GM truck DPF system.Save. 98SilvZ71 Discussion starter · #6 · Jun 20, 2017. They have had the truck since Saturday. I had to call and check on it as it is getting close to closing time there. Service advisor told me they had to put an indirect injector in it. I assume since its P20EE and not P20CC that it is the def injector.Reply. 1 - 7 of 7 Posts. GRIFF4 · #2 · Jul 22, 2019. ms14796 said: I'm finally taking a vacation hauling a loaded toy hauler (4000lb) on a route from Abilene through Santa Fe, Durango, Layton UT, then Sturgis. At 200 miles I got a CEL ; OB2 reader posted a P026b Fuel injection quantity - quantity higher than expected.Code P026D for Injectors. I am knew to the forum and a new DMAX Owner, I just purchased a used 2017 L5P with 58K miles. I have had it in the shop 3 times for the P026D code which is the emissions and injectors. They have replaced a NOX sensor and 3 Injectors, waiting for the result from this one.

S. Silver Ice · #3 · May 2, 2018. P026C Code Description: The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. When you see P026C engine fault code on your engine …Hi guys, I'm new to this Forum. I have a 2018 2500 HD 6.6 Durmax (93,000 miles) and having problems with CEL code P026D. I've cleared it twice and it's back again. First I cleaned the Map sensor and replaced it , but CEL came back. Then I put in a S&B Map Spacer and New Map sensor then...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Feb 7, 2016 · P2201, p2202, p2203. I just purchased a. Possible cause: To diagnose the P026D 2018 Chevrolet Silverado code, it typically requires 1.0 h.