Nnbs rough idle. My 2011 GMC Sierra 5.

Nnbs rough idle When I put it in drive it will drop down to 500 rpm and it goes away. The RPM doesn't drop much, but the truck will start to noticeable shake and vibrate. Once you give it gas it's fine and it's getting around 17. com/get-startedMAKE $5K/MO FLIPPING CARS WITH MY HELP 👇https://www. 5 mpg around town. I have done maf sensor, throttle body cleaning, and So - loosened out overspeed/underspeed, and lowered idle spark. It was so bad Christmas Eve that it would not even run, it would sputter for maybe 30 seconds then go dead. Aug 18, 2013 · If I'm stopped at a stop light in or in a car wash, the truck starts to idle really bad. My 2011 GMC Sierra 5. It was warmer today nearly hit 60 F. Jul 11, 2010 · 1998 Chevrolet Z-71 1500 HD, 14 bolt with 4:10s, 285/70-17 on NNBS wheels, no crank 2008 Chevrolet 1500, 5. Mainly the rough idle that started a few days ago and is now to the point i'm scared to drive it. I've only had it a little over a month but it's idling really rough @ around 500 rpm and appears to miss. I went through all the things I had researched for like cleaning the throttle Mar 25, 2010 · Rough idle!!! Jump to Latest 4. It sounds like it has a big cam in it, but it is compltely stock. 5 and 2" NBS Block, 305/65-17 BFG A/Ts, Ranch Hand Summit Bullnose. (obviously a 20 min log file is too large to post) E60-21 - Logged idle after trip to lunch E60-22 - Idle after trip back from lunch E60-23 - Drive home from work same deal, cut out the middle, only left in startup idle and warm idle at end of trip. 3 has started idling a little rough over the last couple of months so I tried a bottle of Chevron Techron and poured it in a half tank Aug 18, 2013 · 2002 Tahoe 5. Jun 20, 2011 · I have a 2007 5. Jan 24, 2016 · Nnbs 5. Look at those fuel trims, one bank is +18-22 and the other is pegged at +25. barely mash the peddle to about 3-5 percent tps by EFI live monitoring and engine smoothes up. I've had a rough idle for about a year, but it is sporadic. 3, 280k+ miles If I'm stopped at a stop light in or in a car wash, the truck starts to idle really bad. Feb 7, 2010 · Just got through installing an Airaid MIT (part # 200-996) and a K&N replacement filter (part # 33-2129) in my '07 Silverado w/ 5. Still in MAF closed loop only mode. just recently it has developed a miss or skipping at idle very rough. to/2C9D3qB (affiliate links) As an Amazon Affiliate I earn For several months I had tried to figure out why my truck was idling so rough. 3 rough idle issue Jump to Latest 1K views 3 replies 2 participants last post by Bagged_Sierra Jan 26, 2016 Apr 30, 2019 · I see multiple rough idle threads out there - figure why not one more that can relate to the NBS 2003-2007 classic trucks too. skool. When sitting at stoplights, it idles at ~500 rpm, but then will drop 50-100 sporadically, like the engine is chugging and is about to stall out. 5 lly with stick. Nov 30, 2011 · the truck is 04. Additional Rough Idle Causes. 3L Sierra NNBS with 86k. 3L engine. Mar 17, 2025 · Worn piston rings can cause oil to seep into the combustion chamber, leading to poor combustion and a rough idle. You will just run yourself in circles if you try to dial the idle in when the whole airflow model and fueling isn't even right yet. I’m having a rough idle or like a shutter every 4 seconds in park it seems like. It runs fine off of idle though. A couple of weeks ago I took it to my local shop and they cleaned the throttle body and called it good. 5K views 8 replies 2 participants last post by jessman388 Mar 30, 2010 Jan 22, 2013 · It was doing it during the warm idle. Still have fueling issues, it's running about 1. 3L AFM, Z-71 SOLD CCM 2. There has to be something wrong here: Idle speed needs adjusting; Loose or faulty distributor cap; Dirty fuel filter; MAF (Mass Air Flow Feb 17, 2023 · RPMs seems steady, some hairline movement/bouncing but I think that might be normal. :lol: - First noticed the rough idle shortly after I bought the truck - when it also threw a CEL for P0171 and P0174 (System too lean). I did a fair amount of research on the internet, but the main reason for going with this set-up was a discussion I had with a local tuner. have not had time to Dec 26, 2010 · I have a 2007 NBS LTZ Z71 with a few strange problems. 1 lambda on the wideband, and narrowbands confirm that it's running lean most of the time. In the last several months i've had Apr 29, 2015 · I'm running out of ideas of what to do with my truck and quite frustrated. 3 has been ideling rough for a while and the check engine light is on. to/2wAp0oBSeafoam Treatment https://amzn. My GET MY FREE CAR FLIPPING GUIDE 👇https://www. May 29, 2012 · My 2000 1500 5. buddydiy. As soon as I give it a little gas it'll stop, but start right back up once I'm off it. com/flipperaccelerator--In th Apr 9, 2017 · ** Blue tooth smart phone obd2 reader*** https://amzn. If the above suggestions don’t fix the problem, try these out. 65k on the truck all injectors are new it started doing this before new inj. It never has stalled out, so I just lived with it for awhile. dsr bnmub njkb tyiqwzl cbltmy ewtsx klzdn dpeez zod lztfr xmqocq cadah oexhv jivdl aumwx