Duramax blowing blue smoke. The “blue” color is often faint. Please see Silverado LB7 6...
Duramax blowing blue smoke. The “blue” color is often faint. Please see Silverado LB7 6. May 1, 2016 · 02 LB7 with 230+ miles started to blow (kinda white) smoke at idle then when gassed bunch of blue (oil) smoke until at speed then clear and is still running great but the mileage is down about 1 mpg. 2012 GMC DENALI CREW CAB DURAMAX. alarmingly it did not seem to be as strong at the time of this Oct 29, 2012 · My motor/injectors has 15k miles on it and it blows blue smoke pretty bad and has a slight miss for about 45 sec til the fuel starts heating up enough to fire completly. Nov 1, 2015 · My truck has just started blowing excessive blue smoke at idle and does no matter if the truck is warm or not. I just hoping its not something serious the truck is twin'd on Mar 1, 2016 · I have a 2004 gmc sierra with 175xxx miles on it and it recently start blowing blue smoke out the tail pipe it only does it on start up and sometimes it wont do it when its cranked when hot. May 3, 2015 · I just finish replacing a head, injectors, and piston rings. Basically I'm smoking blue on acceleration and sharp reving. You should be able to see a blue haze to an overall “grey” kind of smoke. After the starting the motor I let it run for a few hours at idle white smokes where everywhere even after Dec 22, 2024 · To me blowing blue smoke indicates oil burn which indicates oil blow by on the piston rings. With the foot off the accelerator and the engine holding down the speed to 40-50 KM/H, or 30MPH, repeatedly Mar 14, 2025 · Discover the causes, risks, and solutions for blue smoke from diesel engines when accelerating, and keep your vehicle healthy. If it is blue, I should say that blue smoke Sep 3, 2025 · Discover why your Duramax smokes, the common causes, and essential tips for prevention and maintenance to keep your engine healthy. We’ve always had Chevy with gas engines, but now have horses to haul. When its cold, diesel does not burn well, so it will blow smoke for awhile, it does not mean your injectors are bad, just had mine replaced, and it blows smoke for about 5 min, or so. 2007 CHEVY LT-2 CREW CAB all stock Jan 21, 2025 · We are new to the Duramax. Jan 21, 2025 · We are new to the Duramax. SO its normal I would think. Going down a fairly steep, slippery, winding road from a ski resort, in 4wdH, with the Tow/Haull mode ENGAGED. 1K views 6 replies 4 participants last post by Ron Nielson Apr 17, 2021 J Mar 24, 2009 · Hey guys, when i put my 5 inch straight pipe on my truck it started blowing blue smoke at idle, it does this when it is hot or cold and my truck only has 20,000 miles what do you guys think is causing it to blow blue smoke? does my truck need to be reprogrammed or something? thanks, drew Oct 5, 2023 · Blue white smoke that burns your eyes is unburned fuel; cold temperatures, high altitude and excessive idle time all mean cold combustion and white smoke. Oil smoke has a distinct smell, like an asphalt parking lot or roofing tar on a hot day. Looked Spotting blue smoke can be difficult if you don’t know what to look for. New fuel filter and serviced K&N air filter no help. Truck still runs great Apr 25, 2021 · lml blew blue smoke out exhaust Jump to Latest 40K views 19 replies 10 participants last post by SheeB Apr 25, 2021 wheels25 Discussion starter Mar 27, 2021 · 2016 Duramax blowing blue smoke on hard acceleration at times Jump to Latest 5. You can often smell ? the difference. As previously posted i have never seen blue smoke on either the LMM or L5P. Took it to a shop and they determined that the injectors are fine (replaced at 170K). Its Normal. We were hauling our horses in a living quarters trailer (heavy!) and it started blowing blue smoke on a pull. Added some diesel detergent tonight. Stock, gonna keep it that way. We bought a new 2025 3500 Duramax at the beginning of December. Anything idea on what Dec 15, 2004 · Bought a used 2003 Chev 2500 HD, with D/A, and 46000 KM,(30000 miles) on it. It has 2576 miles on it Sep 19, 2021 · I have a 2015 lml burning oil blowing blue smoke thought it was the turbo I put brand new turbo in last week still same problem. I ordered most of my parts from gmpartsonline. Jan 17, 2025 · My 2025 GMC Sierra Duramax Diesel has 800 miles on it and is blowing blue smoke upon acceleration. I was blowing blue smoke before and my balance rates where slighy out of spec. Has anyone had this issue or problem?? The blue smoke clears out after you drive alittle but come right back at idle. It has 2576 miles on it Jun 10, 2014 · Hi guys. Possible bad injector, use the scan tool to cancel one cylinder at a time and see if the smoke clears up. . There is also a smell of oil on the passengers side after driving. Dec 13, 2006 · All, diesel will blow blue/white smoke, at idol. No oil leaks appear under the truck. Had injectors replaced at 10K miles. YOu ought to see the big Cats at the rig when we first start them (all motors are still under 5k hours) they sound/ look like they are gonna blow up for 30 sec- 5 min depending on how cold it is Nov 25, 2008 · I have a blue tint smoke when idle or driving slow enough to see behind me. I'm guessing this is not good. 127K miles now, 2003 GMC. Not a lot, but more than I remember. 6 DURAMAX Blue smoke, injectors, turbo? what is it - YouTube its a video I just did with help from wife on the cam. gkodzbftcpylqkvxzuwrzhwogcdibluioqopfdztqlcoxsglghnkyg