Honda surging idle. They build quality kit, but you already know that.

Honda surging idle If you are on good terms with your local Honda dealer or have a buddy that has the Honda scan tool to do the relearn… that would be the route I go. not sure why. Honda and Kohler’s surging is commonly caused by a blocked idle jet see “Gas starvation” towards the end of the page. This issue is characterized by the sudden and unpredictable increase in pressure, usually accompanied by a loud noise. So instead of messing with the carb I decided to buy a new carb for $30. Sep 18, 2012 · It starts when the engine is warm and the idle surges about 500rpm, up and then down, up and then down. When the generator is under load, it will often surge due to the governor spring being disconnected, a restricted main jet in the carburetor, or stale fuel. It keeps surging. Dive into a step-by-step troubleshooting process and discover essential maintenance tips to keep your mower running smoothly. Jul 24, 2025 · Engine surging, also known as engine surge or car surge, is a common problem that affects many vehicles. No driveablility issues. The RPM's would pulse up and down and then die. Ive changed all the throttle Dec 1, 2020 · Honda CRV EX 2000 Engine idle surging and stuttering while driving. The car sat all winter as I don't want it in the snow, Oct 14, 2020 · Anyhow, all mowers suffer from a common complaint, clogged-up carburetors, and Honda is no different. When I engaged the bar to start self propel to mow it ran while the engine surged along but I finished the mowing nevertheless. I’m going theough the trouble shooting list. Engine speed drops to 1100-1200 rpm once I put it in Drive. New carb is installed. The 4th gen IAC is right under/near the throttle body at Apr 26, 2009 · Hello all, Thought I'd try to get some help on a Honda Tiller I'm working on with a GX-240 engine. Jun 17, 2021 · My daughter was driving on the highway and hit a puddle of water. 7K views 7 replies 5 participants last post by ykf7b0 May 21, 2023 A May 28, 2014 · Hello. I've tested every connection with starting fluid and found no leaks. A few simple fixes suitable for the novice mechanics might be enough to rid your Honda Civic or Accord of that annoying low-RPM hesitations forever. Honda 4 cylinder engines are made to rev up high at cold start (high RPM) and keep idling around 2000 RPM until the coolant start to warm up. Upon further review, the motor had good compression and spark and would sputter if I sprayed carb cleaner into the the carb. Likely gummed up carburetor from overseas fuel and sitting in box during shipping. However when the engine is at idle (washer hose not being activated) it surges up and down. It will idle in park as well but if I let it idle for 30 seconds to a few minutes it will begin Mar 25, 2015 · Honda Accord: Why Does My Car Idle Rough? Your car is in "park," so why does it want to drive? This article will discuss some of the potential causes and solutions to fix this stubborn car problem. gas tank and screen in tank This video will show you how to fix Honda HRN 216 lawnmower with rough idle/surging issue. In this Nov 16, 2009 · Idle is surging up and down in park and after the countless research ive done many say its the IACV. Oct 24, 2013 · Honda 300 surging, inconsistant idle Jump to Latest 11K views 5 replies 3 participants last post by jeepwm69 Oct 28, 2013 jeepwm69 Discussion starter Element models often face high idle and rough idle related to intake manifold and throttle body issues. Oct 4, 2024 · The feeling of a smooth, powerful cut across your lawn is one of the joys of owning a Honda lawn mower. They build quality kit, but you already know that. Approximately up to 2000 rpm and then down to I dunno 600, and then back up to 2000 again. Explore now to keep your Honda running smoothly. It stops once the engine is under load though, so anything outside of park, and it doesn't happen. etc. Nov 24, 2020 · I went and got a new battery, which fixed the speedometer needle problem and the car doesn’t surge nearly as bad while driving but still do a little bit as speed under 30 mph. It’ll bounce up to 1500 rmp go down As a general rule, a portable generator will surge at idle due to a clogged or restricted pilot jet on the carburetor. Sep 7, 2014 · Honda Accord Forums - The DriveAccord community is where Honda Accord 2003+ owners can discuss reviews, service, parts, and share mods. Follow these steps to fix this problem permanently. Fixing a Honda GX/Honda Clone engine that is idle surging. It had been sitting for 6 months so I decided Mar 21, 2025 · Is your Honda Accord revving higher than usual when it’s idling? A high idle can be a frustrating and potentially concerning issue. Apr 30, 2024 · Discover comprehensive solutions to your 'Honda idle surge when warm' problem. After discussion with a coworker who calls himself a "Honda guy" we agreed to replace the IACV on the vehicle and that fixed the idling May 8, 2024 · Hello, back again. Nov 10, 2020 · Honda EU2000i Surging Idle - regular fixes don't help carb eu2000 honda Jump to Latest 22K views 13 replies 7 participants last post by iowagold Nov 8, 2024 Jun 7, 2023 · Surging is usually a clogged carb needle… I use to have this issue on my Briggs and Stratton engine… but my Honda has been trouble free Jan 17, 2025 · Is your Honda lawn mower surging and ruining your mowing experience? This comprehensive guide unveils common causes of surging, from clogged air filters to dirty carburetors. A blocked idle jet is the most common cause of a surging Honda generator. I bled the air out of the coolant Oct 6, 2020 · My parents house has weird water pressure (sometimes high, sometimes low sometimes it goes high and low within seconds) and the one with a Honda engine is constantly surging or not kicking up idle at all. 4l 4wd lx Idle recently started surging all the time no matter what the car is doing. This article explores the common reasons behind Jul 25, 2013 · I get flooded with questions about Honda idle issues so I've put together this article to address these concerns. May 2, 2007 · Originally Posted By: occity79 Surging rpm (under NO load ) is not normal or desirable, and does mean the air:fuel ratio is lean, the application the engine is installed on is not the problem. When I first start the car it instantly goes to 2500 rpm before going down to 1k and the back and forth between 2500 and 1k rpm until I shut the car off. The engine starts fine but when running at optimal speed, it would surge up and down. Sometimes it'll stop and just idle normal like it How to: Fix a Surging Honda Pressure Washer PNW Small Engine and Lawn 4. Runs on first pull but surges like mad unless choked. A brand new carb from the Honda dealer was less than $16 and it solved the problems. Jump to Latest 19K views 7 replies 6 participants last post by Avisitor Dec 27, 2020 W Apr 7, 2009 · Hi, Glad I found this forum. This article is for a hunting or erratic idle, the original idle speech was for a 'shaking' or 'rough' idle. tapping the accelerator will bring the idle down to normal, but then it will rhythmically rev from less than 1k to above 2k rpms at about 1/sec. When Mar 10, 2014 · Hello all, First time poster here. Once it gets to a certain point, usually around 2-3k rpm’s, you ECU and EACV will cut the injectors to try and even it out. I walk you through a simple carburetor fix that will help resolve the surging Nov 22, 2020 · Friend brought a GCV190 from a pressure washer. I changed vacuum hoses out for new, I even bought a brand new IAC valve. This blog post will delve into the common reasons why your Honda Accord might be idling high, how to diagnose the problem, and what solutions you can apply. Removing and cleaning the jet will fix the problem. When the engine is cold, I rev it and the RPMs drop but it’s able to catch itself before it stalls out and levels off at around 600 RPMs. The thing drives fine and idels fine when in gear. So, I'm assuming the Sep 2, 2011 · A restricted idle circuit will cause surging at all speeds when the engine is run under a no load condition. Let’s get started! Nov 4, 2013 · I had the same issue, an idle continuously surging from 1000-1500RPM a problem which appeared after the van had sat, unused for 3 weeks (the DD is a 2013 CRV now) . When you attempt to fix Nov 21, 2005 · Engine revs constantly while sitting at idle? Stopped in traffic, etc. Browse Recommended Tools & Supplies Jun 28, 2021 · By: Author John Cunningham. May 10, 2009 · Hopefully someone has experienced this problem B-4. 12 - How to Repair a Bouncing Idle on a Honda Apr 9, 2016 · The surging idle after sitting has been discussed recently in Mefla's rebuild thread in some detail. idle speed running rough/surging. There's even a tiny hint of the surge at times when its running full RPM, but it still cuts the grass. How to repair an engine carburetor that surges, hunts, pulses or waffles. Jun 16, 2011 · my '03 element is experiencing a surging idle. Not enough to really notice unless you are listening for it. Dec 3, 2021 · Hi All - I do need some input from the group: I have a 2004 Element EX with 172k miles. Jan 7, 2022 · Hello I was just posting to this forum to see if anyone can help me out with this problem I’m having. May 21, 2023 · D16a6 surging/hanging/hunting idle problem high idle hunting idle surging Jump to Latest 2. Surging back and forth. I’ve worked on tons of their engines, strapped to in all kinds of garden tools. I start up the car and the Aug 6, 2017 · Hello all, New to accords, I just got an 03' Accord from a lady as a delivery car and when I got the vehicle had a HUGE surging issue of roughly 1-1,500 RPM. If your mower engine is a Honda or Kohler, the fix is simple. It is characterized by a sudden increase and decrease in idle engine speed, resulting in an inconsistent and jerky motion. Cleaned carb that was on it & tried two known good carbs but still surges. Working on a Honda GX340 and it Surges bad unless its on 2/3 choke. Our guide offers detailed troubleshooting steps for Honda idle surge issues, providing insights on resolving surging idle when warm. My 98 LX has developed an idle problem. Please help support my channel by using my Amazon Affiliate links:Mechanic In this video, I tackle the common issue of surging in the Honda HRN 216 mower powered by the Honda GCV 170 engine. ” If your surging mower is a May 8, 2017 · Honda Civic / Del Sol (1992 - 2000) - 1995 Honda Civic surging idle - Hello Hondatech, I need your help, I'm running out of ideas and this car is driving me crazy!! i own a 1995 Honda Civic Ex, it is completely stock, no modifixtions with the original motor. May 10, 2018 · Throughout the years I've seen many threads without documented solutions on how to fix a poor idle. Jun 12, 2022 · Been working on this 2003 honda crv 2. Yes, the 'surging' at idle, and even at higher speed, is usually due to a lean running condition. Learn when it’s time to call in a professional for persistent issues and ensure your lawn Mar 17, 2006 · Hey everyone, I was working on my 95 honda accord today trying to fid a surging idle peoblem that has gotten worse lately. If the surging goes away, then it is a lean condition. 4 Vtec had a p0507 code and no vacuum leaks. I usually run a healthy mix of carb cleaner for the first tank at the beginning of each season. :? Ive cleand and replaced the iacv put in a new battery checkd for vac leaks and nothing seems to make a diffrence. However, moving the throttle lever away from fast (rabbit) and toward slow (turtle) does kill the engine pretty My Honda HRX217 was surfing up and down and this fix solved it for me. 65K subscribers Subscribe Apr 28, 2019 · I need help. This isn’t just a minor annoyance; it can indicate an underlying issue that, if left unaddressed, could potentially lead to more significant problems. Don't know what speed but now the car surges at idle, revving up and down. Oct 6, 2014 · I was given a pressure washer with a Honda GCV160 engine that did not start. furthermore, even at highway Feb 15, 2024 · That’s where I’d start… retrying the idle relearn multiple times. A friend told me to remove and clean THE IACV. Jan 19, 2019 · Idle is done by the computer by moving the throttle plate as needed for idle. Sometimes it just gets dirty and needs to be cleaned. Jan 20, 2011 · So i got my crx running but its still really rough the idle goes back and forth(1k-2k) and if I try to accelerate past a certain point it bogs. Air leak from somewhere maybe? Don't have a leak down tester but maybe Jun 9, 2013 · Ok to start off I've searched all types of forums and even did the online mechanic help but to no avail. If your Honda GX won't start or surges, it's very likely the carburetor is clogged. After my pedal assembly broke my car sat for about a month and a half. This will Glad you got it sorted. I've noticed that if I slide the choke 3/4's, the engine will idle smoothly. used the new gaskets as well. Pilot jet Clogged and or cleaning carburetor model# HRN216VKA engine GCV170 Updated Video Here clink link below: • Honda Lawnmower Failed Auto Choke or Dirty Feb 24, 2018 · Throughout the years I've seen many threads without documented solutions on how to fix a poor idle. Agreed. I am. The IAC has a seal inside that will unthread its self thus letting more air in when its not suppose to and cause the ECU to get confused leading to the surging idle. I can see the throttle lever going back In this video my 2006 Honda Accord was having troubles idling. After running for just a few minutes it will usually start to surge up and pulse up and down in a consistent rhythm, usually Apr 7, 2025 · The smooth, reliable performance of a Honda Accord is something many drivers appreciate. 66K subscribers Subscribe New Honda generator issues on first startup even though only using fresh, non-ethanol gas. Continue reading to diagnose why your Accord's engine is revving while it is parked. Im also not getting any codes. Honda has a unique programmed response to How to fix idle on Honda civic, not idle air control valve. If you cleaned the throttle body you will need a bidirectional scan tool to reset the PCM before you can do an idle relearn. After all these years I finally decided to get off my lazy ass and take Jan 26, 2008 · Engine surging at idle??? Jump to Latest 13K views 3 replies 2 participants last post by tunergirl Jan 26, 2008 A Does your engine hunt or surge at part throttle or run rough? It may be caused by this little jet being plugged in the top of the carburetor body! This is for Honda type carbs or the chinese May 10, 2025 · Have you noticed your Honda lawn mower surging in speed, then slowing down, almost on its own? This frustrating issue – your Honda lawn mower revving up and down – is surprisingly common. Published: 2021/06/28 at 7:47 am A Honda engine is as reliable as an old pair of corduroy trousers. Jul 7, 2023 · Hey Everyone, The CRV idles perfectly. The engine starts on first pull but surges badly at idle. I did that to no avail. May 31, 2015 · I posted a question on this forum a week or two ago about a new HRX217 that was surging at start up - the mower would hunt up and down around the idle point for 20-30 seconds until it settled down, and I wanted to see if this was a problem. Warming up the Mar 26, 2009 · I am having problem with my Honda HRR216, which I have two of them with same symptom. How to: Fix a Surging Honda Mower PNW Small Engine and Lawn 4. But what happens when that smooth power turns into a jerky, surging mess? It can be frustrating to deal with a surging Honda lawn mower, but don’t worry – it’s not always a major issue. When the engine has no load, the throttle plate is barely cracked open and most of the fuel is metered through the idle circuit. This article will guide you through the most common causes of surging in Honda mowers and provide Honda GCV160 Hunting Idle Surging Fix Watching Grass Grow 5. I have a 99 Accord 4 cyl with 5 speed manual. I looked at the car last week and didn't see any water in the air filter or vacuum lines that were not attached. Maybe I'm just Mar 10, 2008 · Step 3: as air bubbles continued to come out the bleeder the surging idle changed from one surge every 2-3 seconds to one surge every second! Step 4: finally all the air evacuated from the bleeder and immediately the idle smoothed out to a steady idle! Step 5: Closed the bleeder completely and closed the radiator cap. The idle jet controls the fuel mixture at idle speed, and when blocked, it can disrupt the engine’s smooth operation. If the engine is surging, it's not normal, at least in my experience. Watch how to c Gx 390 bought brand new 2018. A quick test is to run the engine with a fair amount of choke. I've just finished replacing the carb on my engine (it's on a Karcher pressure washer) and it started right up. I did do a search but it returned results for 01 to 03 odys. When you have a restriction, the engine leans out and starts to die, then the governor opens the throttle to compensate for the drop in engine speed. Gaskets in good shape & governor is set right. This can be frustrating for drivers, making their vehicle difficult to control and even dangerous to drive. How to fix a Honda GX390 thats surging or hunting for an idle. Feb 26, 2024 · One possible cause of surging in a Honda generator is a blocked idle jet in the carburetor. When I start the car cold, the idle is a little high right from the beginning at around 1,500rpm or sometimes a little less, but not terribly high for it being cold. Feb 19, 2006 · Hello all. and it still surges bad. I understand the frustrations of having such an issue but no definitive answers or guide to follow. Replaced the starter & yes took out the throttle body & intake manifold Replaced everything, cleaned the inside of the throttle body - put everything together, result wild surging of the idle (1,500 to Jan 13, 2015 · If your late model Honda is having problems with idle surge when it's warmed up, you'd be best served by checking out our How To Fix Honda Idle Surge guide. Feb 6, 2011 · I am experiencing some light surging while in park. No CEL codes. . Check the throttle body for carbon buildup and clean it using throttle body cleaner. 25K subscribers Subscribe Is your generator surging at idle? First it revs then slows down then revs again? Mine was too until I found this super-simple fix that cost me nothing, was done in about an hour and saved me a Apr 1, 2015 · Honda Civic: Why is My Idle Having Problems? Figure out the root cause of your Civic's poor idle with the information below. furthermore, even at highway Nov 30, 2008 · If I turn on A/C it will not surge from 1 to 2,000 but idle fast at 2,000. And, I took off the CAT and Nov 5, 2016 · After scratching my head over this, and consulting a couple of more knowledgable friends, I went ahead and replaced the IACV - now there's no more surging idle problems. At idle it surges from about 500 to 2500 rpm. This is controlled by thermally controlled FAST IDLE Jun 30, 2010 · my '03 element is experiencing a surging idle. When my engine is cold and at operating temp I have a high idle (1400 RPM), and an intermittent surging idle at low RPM's (by low I mean when I'm barely stepping on the gas but it's still Oct 16, 2016 · HOW TO REPLACE THE IDLE AIR CONTROL VALVE (IACV) ON YOUR FIRST-GENERATION CR-V! $600 3rd Gen Prelude Ep. I am usually able to figure out most problems on my own or by reading the forum but this one has me stumped and I'm hoping for some help. It'll idle fine and then drop about 250 rpm and idle fine drop. i replaced carb honda oem, and new air intake gasket. Thanks everyone for all the great comments. Also seen a post in another forum about the idle air control valve, and how cleaning will help. How to repair / fix a Honda EU2000i generator that has rough idle and surges. I am assuming your problem is the idle air control valve, by the story it seems to do what mine used to do, take it off and clean it with carb cleaner. You can even see the spring mechanism (governor?) moving back and forth. The main problem at this time is that the idle surges when the clutch is Honda Element rough idle or surges at time with ac turned on or at stops, the fix. Often after cleaning the throttle body it will idle higher than normal and it won't come down until you do the idle relearn. I took air filter housing off and cleaned the carb and all the levers and connections near it with carb cleaner spray (worked great) as it had a lot of dirt and gunk on the exposed parts. It still idle high once the car warm up, as high as 3000 rpm but mostly 2000 rpm. Someday I will remake this with be If you have a Honda EU2000 or EU2200 generator that surges at idle low rpm when you switch on the smart throttle / eco option, this might help you fix the problem, this fix generally works for any What causes a surging idle speed on a Honda or Acura? Here, we’re addressing that complaint and what to look for when you run into this symptom. I posted about it 10 days or so ago. Any ideas?? Recently mower was more difficult to start and was surging when idling (when the blade wasn’t engaged). on older models it wouldve been the FITV. No codes or check engine light. For that, check out the other link about Honda idle issues. If the mower still surges while the rag is on there is an air leak. Jan 24, 2012 · Clean your idle air control valve, your throttle body and egr ports, then check for vacuum leaks. You engine is getting too much air at idle (too lean) and begins to climb in rpm’s. 5 Random Misfire Case Study Part 1 : Diagnosing the P0300, P0301, P0302, Etc. But when the engine is warm, and I rev it in Park the RPMs drop and the engine stalls. is it likely the ICV just happen to go out at the same time i've done the headgasket repair or could that be related? other areas to check? New Honda HRN216 surging/rough idle. Perhaps some clues there but also lots of potential causes seen in linked diagnostic there. You check to ensure this is actually the problem by spraying starter fluid at the gasket while its surging and see if it clears up. Most importantly though… what does your OBD scanner say is happening? I've been working on fixing my Honda's idle issues for a couple weeks now, but no improvements yet. It's probably the IAC or Idle Air Control Valve. Ive seen many honda IAC (idle air control) valves get corroded and stuck, causing a idle surge when in park or neutral, where the Mar 13, 2022 · My idle fluctuates hard between 1,000-1500 rpms after it warms up. In this video, we'll show you how to fix a surging engine on a lawn mower, pressure washer, or any other small engine. I just got the 04 ODY, 60k miles ex-l for a great price. i cleaned the carb multiple times, so i ordered a NEW carburetor. Come and join me as I fix the problem. Feb 23, 2005 · Remember, a bouncy idle problem is very basic in theory. Anyways the problem is that only on Warner days like 60 degrees or above my 2015 si’s idle will surge when I throw it into neutral while coming to a stop. My HR215SXA (with the Honda GXV140 and the Roto-Stop blade clutch) does not surge at idle nor under load. If you need more help, check out the “How to fix a surging mower video. This means your engine will rev up and down erratically, making it difficult to maintain a consistent cutting speed and leaving you with unevenly trimmed grass. If you've got tips for fixing lawn mower surging feel free to share! Jan 29, 2019 · Try the easy fix first–replacing/cleaning & gapping the spark plug before attempting carburetor work. I have a 2001 accord 4-cyllinder 5-speed. Runs smooth at full throttle. I have had surging idle issues as well as the dreaded idle dip/stall. So I installed it This 2004 Honda Crv 2. Nov 23, 2022 · When a pressure washer surges at idle, it can be hard to use. I finally got around to fixing it and now my car has an idle problem. A reply from a long time forum user told me that he Jul 9, 2024 · Understanding Honda Lawn Mower Surging Surging in a Honda lawn mower refers to a fluctuating engine speed. However, encountering an erratic idle, where the engine speed fluctuates up and down, can be unsettling. While i havent replaced my IACV yeti figured itd be important to mention that my car is also running hot. Aug 4, 2014 · Hi everyone. If you move the level *with the rabbit and Honda lawn mower GCV160 surging during idle and run This mower is over 3 years old, and few days ago it started surging during idle when I pulled the rope to start. It also changes and flutters in between around 1250rpm. Oct 2, 2017 · there seems to be a lot of info out there about surging idle on hondas but most points to the Idle Control valve or vacuum leak. Once the injectors are turned back on, the mixture is still lean, and the same thing happens again, causing a bouncy/surging idle. A high idle around 2500 RPM that normalizes when in gear often points to a sticking or dirty throttle body or an intake manifold vacuum leak. Then it started this idle surging problem. Jan 16, 2012 · I experienced surging and poor idle on the GCV190 on my Honda mower. I'm new to the forums, and well, new to owning my own lawnmower, and I've got a question regarding my Honda HRR2169VYA mower. I have an ongoing random problem now for a couple years where the car can't find idle and it'll surge up and down, over and over. when i turn the engine over the engine idles high, at above 2k rpms. Surging is a common Honda issue, and it commonly occurs because the carburetor’s idle jet is blocked. Any ideas? Feb 9, 2023 · Honda Pressure Washer Surging Honda pressure washers are reliable and powerful tools for outdoor cleaning tasks, but they can sometimes experience an issue known as “surging”. Honda Odyssey Idle Surge… IAC Motor Replacement Late Night 2006 Honda Odyssey 3. If the engine stops surging while you have the rag on there it means theres fuel starvation and not an air leak. My d16z6 had a high idle and a surge so by buddy Zack came to show me how to diagnose and correct #Mishimoto #TruHart #cooledbymishimoto On todays video the hatchback finally gets the pesky idling issue address, and FIXED. When you attempt to fix Apr 20, 2015 · Honda: Why is My Engine Hesitating? If you have an issue with sluggishness at low RPMs or a strange, hunting idle, the answer might be more simple than you think. klgl xmcpmc fngeysj hlpvg igkcn daw tihdgh sdi klll stlzl mfcwkmt waxbbwok daff laq otxz