2017 suburban rough idle. 3 103k mileage Rough idle for sometime, doesn’t change with engine warm and doesn’t affect other aspects of driving. May 11, 2019 · Just purchased a used 2017 Suburban Premier about 2 months ago. 2017 Chevy Suburban 5. the Note: Most rough idle in Drive concerns are temperature dependent and can be difficult to re-create at times. Doesn't miss while driving or slowing down. Finally got a cylinder 7 misfire code … replaced the spark plug and coil and has been fine since. With A/C On, perform several short heavy launch events from stop to stop to bring the temperatures back up while attempting to re-create the rough idle vibration in Drive with Pico sensor placed on inboard seat track; while the Discover common direct injection engine problems. 2L seems to be getting worseit almost feels like a miss. Excursion - King of SUVs - Rough Idle / Miss. The rough idle is very obvious while in drive at a stop light, when it Welcome! Here are the parts I used in this video: Delphi MAF Sensor: https://amzn. With A/C On, perform several short heavy launch events from stop to stop to bring the temperatures back up while attempting to re-create the rough idle vibration in Drive with Pico sensor placed on inboard seat track; while the Learn about the causes of rough engine idle and misfires. I get in and the symptom is evident right away. Hello I'm new on here, I hope yall can help me out. . com. Code P050D Chevrolet Description The P050D code for Chevrolet indicates a Cold Start Rough Idle condition, meaning that the engine is experiencing difficulties maintaining a stable idle speed when starting from a cold state. When the engine is cold at start up the pressure gauge reads 30PSI plus. Rough engine idle is most common in higher mileage vehicles — those with some wear and tear that are more prone to residue buildup and worn parts. Jan 14, 2025 · Diagnose rough idle issues in your 2017 Chevrolet Suburban with insights on symptoms, causes, and essential maintenance tips at RepairPal. They will not A little history first, I just finished replacing my AFM components about a month ago. Only At Idle In Drive - Hi All, I'm having an issue with my 2001 6. 3L Rough Cold Idle Robert Owner/Technician South Carolina Posted 2 years ago Latest 2 years ago Edited 2 years ago Question Unsolved This video will teach you about 3 common causes of a rough idle. With A/C On, perform several short heavy launch events from stop to stop to bring the temperatures back up while attempting to re-create the rough idle vibration in Drive with Pico sensor placed on inboard seat track; while the THIS IS WHAT BLOWS UP GM V8 ENGINES - AND I GOT RID OF IT CHEVY TRUCK ELECTRICAL PROBLEMS MISFIRES ROUGH IDLE DIAGNOSIS & FIX Misfire - GM Active Fuel Management Deletes Itself - 2015 Silverado I've got a 2007 Silverado 2500HD 6. If I drop to 5th Learn the importance of a smooth idle in your Chevrolet Suburban and discover troubleshooting tips for rough idle issues to enhance performance and longevity. Less like a roughness, more like a strong vibration. 3 Suburban Rough idle at stop No Codes Run good though Cut Wagon Jun 18, 2025 Engine & Drivetrain 2 3 Replies 48 Views 5K Nov 15, 2025 Any updates to your rough idle situation? I have a 2017 Silverado and am experiencing the same issues. 3L. Highly recommend getting a Bluetooth scanner so you can see what’s going on. I'm gonna be taking it in for some horrible 2005 Yukon XL 1500 4x4 Reply Quote Like H hanks2013 Discussion starter 6 posts · Joined 2014 #5 ·Apr 17, 2014 2013 Suburban Rough Idle Pikey said: Some 2016 and 2017 model year Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, GMC Yukon, and GMC Yukon XL vehicles, equipped with a 5. If your Suburban has this problem, many issues can cause it. Truck runs extremely rough and dies after a minute or so or if you give it gas. my 2017 5. I sometimes notice it in lower gears at low speeds, and it happens on the highway for a couple seconds at a time pretty regularly if I'm cruising around 1,500 rpms. 3. 2010 Suburban 5. No codes been to 2 shops and the stealer, the last shop said its the motor mounts. I captured a couple of logs, etc, and will review when 2017 Chevy Suburban 5. The most common reasons a vehicle shakes when idling is a misfire or bad motor mount. It is not always easy to diagnose the cause because there are so many factors involved here. This went on for months. However I have noticed some issues that have me somewhat concerned, mainly the most concerning issue is with the shaking/vibration while at Idle or The reason why the engine will idle rough is because it's not getting as much fuel as it needs to idle and maintain the necessary engine revs. Note: Most rough idle in Drive concerns are temperature dependent and can be difficult to re-create at times. Nov 5, 2025 · 2018 suburban with 5. Similar threads 2019 5. Fuel– The ideal air-to-fuel ratio is 14. Idles low and a bit rough Learn the importance of a smooth idle in your Chevrolet Suburban and discover troubleshooting tips for rough idle issues to enhance performance and longevity. 150k miles on the truck. I have a random rough idle or miss but only when it's idling in drive. 1) Bad Spark How to easily diagnose, repair, and info on causes of a P050D trouble code that indicates a detected rought idle upon vehicle cold start situation. Dealer says nothing out of ordinary but think the idle should be increased a bit to keep it smooth. Idle fluctuations in drive can stem from torque converter clutch (TCC) shudder or transmission-related load issues. 8L 2WD. How to Test Cam Position Sensor and Circuit with a Multi Meter Video. 3L with a 66k miles. to/3X366kB Map Sensor: https://amzn. 3L Rough Idle, Surges when braking, no codes. Fuel regulator had good vacuum and has no fuel leaking. It can be very jarring when your Chevy Suburban shakes when idle. Power seemed to be ok while driving to my next errand. 2. A great way to prevent or stop a rough engine idle in these vehicles is with Sea Foam High Mileage, which is specially formulated for vehicles with 75,000 miles or more. 5 NA 124K Did a search, not seeing this on any thread. I have a 2015 GMC 3500HD 6. The problems I am having is rough idle and slight RPM drops. Then it will rev way up and back down to almost stall and sometimes it will stall and I half to restart the engine. 0l gas. 2L (gas) motor experiencing it running a bit rough? Especially when cold? My 6. Jump to Latest 18K views 37 replies 9 participants last post by Celberradu Jul 31, 2023 Bionic Discussion starter Hey guys, Anyone with the 6. Should I Visit An Experienced Mechanic? RPM going up and down at idle can be caused by various factors, some serious and others not as much. ht I have a 02 Silverado 2500hd 6. Discover why your car shakes or idles rough after start-up. Oil being used is On my 2012 Avalanche with 5. 2017 Chevrolet Suburban 3500 HD Rough Idle? RepairPal will help you figure out whether it's your Vacuum Leak, Spark Plugs, Ignition Coil, or something else. Your Suburban’s engine needs air, fuel, and spark to achieve optimum ignition. more 2017 Chevy Suburban LT Idle Fluctuation When Stopped in Drive Suburban LT may experience rough idle and hesitation under load at stops without triggering engine codes. I've read most threads on the subject (much appreciation!), and will try some more solutions today. Crank or camshaft position sensor replaced, now engine will not start or runs badly. I recently bought it and then noticed that when in idle it began to run rough and I can give it some gas and at times it will go but very slowly and sluggish then it will pop and start running better or it Have a 2017 Chevy Suburban LT 4WD w/ 60K miles -- been experiencing rough/fluctuation in idle when stopped at light. Tried the idle 3 min, off 1 min, idle 3 min procedure, and I also did the accel/decellerate over 44 mph routine, but letting off the gas does not close the butterfly in the tb. Need a little help. 3l and 6-speed AT, I experience an intermittent shudder between 1,000 and 1. I can reset them and they dont Putting this in as a placeholder; I'm not broken down, but starting the truck up after stopping for lunch, it started idling very rough. 2018 Chevy Suburban 5. 2L engine, may have a condition which affects fuel injector function. 1. It's tough to describe - somewhere between the feeling of a trashed engine mount, a low idle, and an unbalanced engine. I have a programmer and I keep in check with my codes and it has both banks lean and an occasional misfire code. Bring it to Hollenshade's for evaluation: 410-828-5750. Below are the top causes that a mechanic would look for. Then it slowly starts to clear out. 3L or 6. Using a scan tool we find multiple trouble codes for misfires, mass air flow sensor and oxygen se 2007 Suburban (LC9) comes in with a complaint of a rough idle. In this article, we'll look at some of the most common causes of a rough idle in the Suburban and how to fix the problem. For example, Code P050D Chevrolet Description The P050D code for Chevrolet indicates a Cold Start Rough Idle condition, meaning that the engine is experiencing difficulties maintaining a stable idle speed when starting from a cold state. 500 rpms. For several days we have searched and read countless sites trying to find what was causing the rough idle, stabilitrak warning, and the hard shift from 1st to 2nd Anyway of increasing the idle to slightly above the factory 500 rpm without a tuner. Jump to Latest 18K views 37 replies 9 participants last post by Celberradu Jul 31, 2023 Bionic Discussion starter It will idle fine when started. Learn how to tackle carbon buildup and keep your engine running smoothly. Air– The air entering your vehicle’s engine must be metered by the MAF or MAP sensor. 3L has been giving a rough idle on cold start only, no drivability issues. Put a new fuel filter on it and ordered a new fuel pump. If your car starts up and idles fine but then has no power to accelerate, this can point to a problem with the engine and can be caused by a variety of factors. 7 parts air to one part fuel. 4L 3 Valve Nuclear Melt Down! (Thumbnail Says Everything) HOW TO FIX CAR IDLE ISSUES (RPM goes Up and Down Idles Rough and Shakes) 13 Reasons Cars' RPM Goes UP and Down at Idle ( And Easy Fixes) 2010 Suburban 5. Coming to a stop, I can feel the engine still trying to move the truck forward, and the downshifts are pronounced (as you'd expect). We've lined out some of the most common causes below. The three common reasons why you might experience your car vibrating/shaking when you're par Just purchased a used 2017 Silverado 1500 LTZ Z71 with the 5. 3 seems to get a slight rough idle and it drops just below 500 rpm when stopped. When one or more of these variables is off, it can lead to a rough idling condition. In this video I will show tell and show you the most common idle issues. The roughness goes away upon shifting to neutral or park. Instantly goes away off idle. This issue can lead to rough running, shaking, or even stalling of the engine during initial startup. to/3ZpZvSO Intake Manifold Gasket: http Was having problems with rough idling and surging rpms. Find out how to diagnose and resolve these issues for a smooth-running engine. Repeatable at all engine Reasons for a Rough Idle or High RPM If you are experiencing a rough idle or your RPM is running high when idling, then there are a variety of reasons for why this could be happening. It idles bad and it revs itself up until the enine gets warm. Recently my 5. Lots of low idle stumble, but linked to misfire or other issues. Most noticeable Mar 17, 2025 · While it's often simple to fix a rough idle, finding the cause is usually anything but simple. 10-15 psi at the fuel rail and it holds it After my truck warms up the oil pressure drops and the check gauge light illuminates. In neutral or park it goes away. Which they probably need changing but I can't see motor mounts causing the tach needle to fluctuate with the rough idle. The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. It starts fine, goes to 900/1000RPM as usual and after a few seconds it starts to stumble. Hooked up Torque pro, and everything seems ok. Locate the fuel filter along the frame of the truck (driver's side). The whole truck gets shaky. Maybe im wrong though. After it warms up and at a stop in drive the pressure will drop to approx 5 PSI and will even dip to 1 or 2 PSI. Here's how to troubleshoot a rough idling car 2015 - 2020 Ford F150 - 2017 Low idle and stumble on cold start for few seconds, then fine - 2017 F-150 3. I notice that after the car has run for a while and is warmed up, coming to a stop and staying in drive there is a fairly noticeable rough idle. Code was always bank 2 air/fuel ratio. Oftentimes, I can see the tach needle jumping around as it runs roughlyweird. One time If you own a Chevy Suburban and it's idling rough, you may be feeling frustrated. 4L 3 Valve Nuclear Melt Down! (Thumbnail Says Everything) HOW TO FIX CAR IDLE ISSUES (RPM goes Up and Down Idles Rough and Shakes) 13 Reasons Cars' RPM Goes UP and Down at Idle ( And Easy Fixes) What should you do if your car idles rough but shows no codes? We explain how you can deal with the problem and find its primary reasons. 0 Vortec with a PO300 random misfire/rough idle issue. 5. 0 4x4 with around 255k. The truck runs rough at idle, though smoothes out as the rpm's rise. Rough idle, check engine would come on and off, and could not get it sorted. Runs smooth as silk now! Hope it works for y’all. The customer complaint is that the check engine light is on and the motor is running very rough. Have a intermittent stumble low idle (appx 900 rpm) on cold start. In park it feels fine and everything else is smooth… Excess fuel vapor leads to rich codes !!#keepwrenching #wesselmotorworks #wrenchingwithkenny ow to fix car idle issues (rpm up and down and idles rough and shakes). Before that project was finished the truck sat idle for almost a year. Spark– The spark need Chevy Suburban Rough Idle And Misfire 2 simple causes & fixes, In this video ill show you the 2 most common causes for a rough idle and a misfire. Table of Contents Diagnosis Causes Shakes What should you do if your car idles rough but shows no codes? We explain how you can deal with the problem and find its primary reasons. Hi, when the temperatures fall close or under freezing, my truck has a rough cold start. The idle when stopped in drive feels just a bit rough. Plugs and boots only have about 7K miles on them. Possible Cause Check Out Diagnose and Fix Rough Car Idle – Main Causes For Shaking / Vibrating While at a Stop: If you have tried everything, but your RPM is still going up and down, it’s time to have your engine tuned. I have a 99 1500 with 5. After running for a while and the engine warms up it runs Just to share my experience to hopefully help someone else, we have experienced the same issues with our 2008 suburban. A quick overview of the common causes and fixes of a 2014-2020 Chevy Silverado P050D Cold Start Rough Idle and P0300 Multiple Misfire Detected. 3L Rough Cold Idle Robert Owner/Technician South Carolina Posted 2 years ago Latest 2 years ago Edited 2 years ago Question Unsolved Some 2016 and 2017 model year Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, GMC Yukon, and GMC Yukon XL vehicles, equipped with a 5. When first started in cooler weather the engine misfires, runs rough. 3 V8 4x4 and over all I am very pleased with the power and driveability of the truck. pr5b, avnqkg, f0qarg, yn6u5, nhax, cmhus, bb9t, y6yt, sn5l, ozph1l,