2008 honda civic idle rpm. Just installed new battery yesterday.
2008 honda civic idle rpm. I was able to restart the car and pull into a parking lot. Jan 26, 2011 · The idle is jumping a few hundred rpm's and it does it really randomly. That’s a great place to start. Clean or replace it if needed. I've timed it to around 30 seconds, where I can hear the AC system running, then everything goes quiet for a brief moment before the engine does that RPM Apr 7, 2025 · The Honda Civic, a vehicle renowned for its reliability and efficiency, boasts a design that prioritizes smooth operation. Nov 2, 2013 · Here, I started my car and this is when my idle went all over the place. However, even the most dependable cars can experience issues, and a rough idle is a common problem that can be frustrating for any owner. Apr 11, 2023 · Honda Idle Relearn Guide: 9 Step-by-Step Instructions Looking to improve your Honda’s engine performance? A Honda idle relearn may be just what you need. Can anyone direct me to good source? BTW, just did Honda throttle-position-relearn procedure, and it didn’t change the idle. Jan 12, 2007 · anyone notice or happen on their 8th gen that when the car is idle and when you turn the steering wheel, the idle rpm increase. I hope what is contained within helps someone. Another possibility is that the oxygen sensor is not functioning properly, causing the engine to run rich (too much fuel) or lean (too little fuel). <> WHEN TO Feb 8, 2023 · Not all engines use an idle air control valve. Aug 27, 2008 · I just bought a 08 SI new and when I start it up in the morning for work or anytime after it sits for more than an hour, the idle is up at 1500 rpms. So I plugged in fp and reflashed the car back to stock and restarted the car again. When the car is not in motion, the RPM level will often decrease, and the idle air control valve will open to allow more air into the cylinders, causing the engine to speed up again. My engine surges at idle and when cruising. Unfortunately when I started it up it idled at 3k and then had a hunting idle from 2k to 2500 rpm when it warmed up. This is accompanied by the rpm slightly jumping when I There could be several reasons why your Honda Civic is idling low. to/3Pyr3zO Multimeter Dec 2, 2013 · Honda Civic FD 2008 model, I have experienced the same after trying a different brand of gasoline. " Diagnostic Trouble Code as well as fixes. Fluctuating Idle after cleaning Throttle Body. Oct 29, 2024 · When at stop in Drive with brake on RPM is 647-653 and there is rough idle. Nov 26, 2022 · A day later I started getting serious rpm surges at idle. Jun 15, 2015 · Been noticing that if my car is at idle (with AC on) the engine will briefly drop below 800 RPMS and there'll be a slight shudder throughout. Learn what Idle Control System RPM Higher Than Expected means, location and how to repair. I cleaned the throttle body with someone pressing on the gas to open the throttle plate. And low side pressure is good. 6 visits to the shop and still unabl Apr 25, 2025 · Noticing a drop in RPMs when the AC is turned on is a common experience among vehicle owners. This blog post will delve into the common causes behind a rough idle in Honda Civics, offering insights into Performing a Idle relearn to fix a low idle or stalling problem on a 8th generation Honda Civic, clean throttle bodyHonda Scanner for Idle learn: https://you While on the freeway, the RPM was consistently dropping below 1000 in stop-n-go traffic. I then pushed open the butterfly Jun 25, 2008 · I have searched for an answer for this, but all I ever get it information on cold air intakes, so I must be wording it wrong. 2. Jul 19, 2024 · Honda civic idle control system rpm higher than expected - code P0507. Sep 7, 2019 · Honda Civic Shaking When Idling Diagnosis Check for Codes There are a lot of reasons why your Civic may shake when idle. Sep 14, 2012 · Please Help and Shed some insight. High Engine Idle P0507 FIX 2008 Honda Civic Cody Carlson 695 subscribers Subscribe Jan 24, 2025 · This is the idle speed, typically measured in revolutions per minute (RPM). Reason for concern: Trans does not like being put in drive @ 1500 RPM & sometimes make metal noise. I've read post after post, but I haven't found anyone with the same exact issue as me. This blog post Then you let the car idle for 5 minutes. I also see that when idle, the RPM is at around 700. At warmed up idle it’s smooth. Before trying to figure out what is causing your Civic to feel like a washer full of towels, make sure the check engine light isn’t on. Keep your Honda Civic running smoothly with accurate RPM guidelines. I stood over that thing for 3 days, testing and scratching my head. If you like the video be sure to subscribe!!Thank you and god bless!! 2008 Civic EX High Idle Issue: Causes and Fixes Civic EX often faces high idle due to dirty IAC valves and vacuum leaks causing unstable RPMs. Throttle body clean and relearn. For example, a 2006 Civic should idle at around 1,000 rpm, while a 2012 Civic should idle at around 700 rpm. Engine temp barely goes up until I start driving. You have to get a code read and writer for honda (Foxwell nt510 elite is what I used) to reset the tps sensor. If it is, get the trouble codes. if your idling at 3-400, go to teh dealer. Like comment share and subscribe for more videos. Apr 30, 2024 · Discover comprehensive solutions to your 'Honda idle surge when warm' problem. Typically, this is the fault of the idle air control valve, which is a commonly known point of failure on these cars. Since I bought it, it has a very annoying problem: the acceleration feels very jerky when letting of at low rpm, especially in low gears. It keeps jumping up and down. A true "idle" for drive would be letting off the brake on a flat surface and letting it crawl up to a few mph to whatever an automatic Civic will go to. It throws a code for all 4 cylinder misfires with the added p0300 "random misfire" code. A 2008 Civic maintaining 1500 RPM after releasing the gas may indicate a sticking throttle body or a faulty idle air control (IAC) valve. I've Sep 26, 2025 · Discover the normal idle RPM for Honda Civic models to ensure optimal engine performance and fuel efficiency. I used a shop towel soaked in throttle body cleaner and wiped out all the carbon trying not to touch the throttle plate Jun 3, 2025 · Hi! I have a 2007 Civic 1. Learn from owner experiences and recall details. Agreed that 1500 cold start rpm & curb idle 1000 rpm seem OK, but that is not the question or Nov 14, 2022 · The ideal rpm for a Honda Civic to idle at varies depending on the model year. Here are a couple of videos to get you started. Anyone know whats up? also the revs barely drop when I let off the Sep 29, 2010 · 2008 Civic SI Coupe Idle RPM Jump to Latest 14K views 8 replies 7 participants last post by aftershocks Sep 30, 2010 A Jul 31, 2015 · This sounds like the issue I was having with my 2005 Honda Civic. just a quick fix for a idle surge or high/low idle problem on the early honda acura cars. After I changed the gasket and cleaned out the head and put the springs back in on the head tightened everything and I turned on the car but it started idling at 4-4. Apr 23, 2009 · My question: Does anyone know what the normal idle RPM is for our 8th gen civics? I have a 06 civic ex sedan manual. Thank You. Is your 8th Generation Honda Civic (2006-2011) experiencing rough idle, RPM fluctuation, hesitation or stalling? The cause could be a dirty throttle body! In this video, I'll guide you through the Jan 13, 2011 · Anyway The idle is jumping a few hundred rpm's and it does it really randomly. I have a 2008 Honda Civic LX AT with 150k miles on it. When watching the Honda idle video please remember that adjusting the FITV is the LAST step in the process and you need to back it off at least 1/2 turn after it Last clean the screen in the Idle Air Control valve, this can get clogged up with carbon over time and cause the flow through it to be restricted which can cause idle issues. Jun 14, 2012 · What's up guys. 3. 41K subscribers 211 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. this is my first Civic, but second Honda. wayyy to low. Jan 19, 2018 · 2008 honda civic hybrid, honda, civic, hybrid, pcm reset, pcm idle, pcm idle relearn procedures, idle issues, how to, diy, honda service manual, servicing your honda, maintenance, 8th gen civic Jul 30, 2020 · I have a stock 2016 Civic EX-T, and have had an issue for several months where the car idles at about 600rpm and feels very rough while in gear with the A/C turned off (at a red light, for example. 8. it then settles down to around 1400 in both, and the Si should settle between 600-800 depending if your AC is running. 8 petrol. Out of curiosity, what's been the idle RPM for the prev. When I move the steering wheel (mainly in park i think) with the car running, my idles surges up and then shoots back down. And it is true you have a high and low pressure switch, and the adjust with vehicle rpm. While driving, when coming to a stop, engine feels like its going to stall out, though it doesn't. 08 Civic LX 5 spd 240k One-owner For the past few years we've had some major power loss and terrible terrible hesitations on acceleration. When the idle drops below this range, it’s considered a low idle and can manifest as rough running, vibrations, or even stalling. Years long story short. After I drive the car and at stop at a light, its back to the normal 500rpms. Nov 19, 2015 · Problem Rough vibrations coming from the engine while idling, especially when the AC is on. I have noticed it since I bought it, but just lately it has been rather annoying. The most common cause of a rough idle is misfiring. Honda Pilot Idle Air Control Valve:more Aug 7, 2010 · Even completely disregarding the relatively large 200RPM window (1000-1200RPM recommended), using the engine idle speed to set the throttle valve position is not an accurate method because (a) it's too indirect (RPM-->air flow-->valve position-->voltage) and (b) using the idle speed depends on air flow, which is subject to potentially widely Repair Information for P0507 Honda code. It makes it almost undrivable in roundabouts with second gear. But there Nov 20, 2023 · My 2011 Civic LX (8th gen) has a 660-670rpm idle in Park, with no loads, warmed till radiator fan comes on. My 2015 Civic has a mild shake in the steering wheel. The problem persisted. But still, it seems a little strange given smoothness is historically one of Honda's strong points. In this article, we’ll look at some of the most common causes of a rough idle in the Civic and how to fix the problem. I have done multiple things to try to resolve this that I will list down below; Removed How to set the idle speed by the Honda Idle Learn Procedure 2006-2011 8th gen Civic Why is Your Car Shakes at Idle but Smooths Out While Driving? A dirty throttle body can cause Honda Civic acceleration problems, leading to signs such as poor engine performance, erratic idle, the engine not responding to accelerator pedal movements and the engine sputtering or stalling. I suspect that idle may How to set the idle speed by the Honda Idle Learn Procedure 2006-2011 8th gen Civic Diagnose and Fix Rough Car Idle - Main Causes For Shaking / Vibrating While at a Stop Oct 25, 2024 · The Honda Civic is a popular choice for its reliability and fuel efficiency. 12 - How to Repair a Bouncing Idle on a Honda Oct 11, 2008 · When at idle the car is at about 650-675 rpm with AC off And when i turn on the lights or wind the windows down - power usage The RPM drops for a second to 2008 honda civic high idle and RPM won't go over 3000. One common issue is a faulty idle air control valve, which regulates the air/fuel mixture when the engine is running at an idle speed. Jun 9, 2010 · specs for the r18: idle, no load: 750±50 rpm idle, ac on, temp set to max, rear defogger on, headlights on: 710±50 rpm thats from the service book. 5K RPM I Sep 17, 2017 · Hi all, 1. Apr 1, 2015 · This article applies to the Honda Civic (1992-2000). Vtec seemed non-existent How to perform an idle learn procedure on a Honda Pilot, accord, civic, Acura, etc. A healthy idle speed for most Honda Civics usually falls between 650 and 800 RPM. . An appropriate idle RPM ensures the engine runs efficiently when the vehicle is at rest, preventing stalling and minimizing fuel consumption. It gets cold til I start driving. In this episode, we show you how to set the engine idle speed by performing the official Honda Idle Learn Procedure! May 22, 2008 · Hi, My 2008 Civic (auto tranny) engine speed tends to drop too low when the engine is warmed up. But when your Civic starts idling high, it can be a frustrating experience. Is there any way to increase the RPM without increasing Dec 23, 2024 · The Honda Civic is known for its reliability and fuel efficiency. This is after motor mount replacements. ’ A vehicle’s Engine Control Unit (ECU) must maintain a specific RPM range when it is idling – that is when it is not moving. It's Jan 28, 2010 · I fixed my idle from going up and down UPDATED!! really really simple, this work in preludes and civics, idk about others well i have a 93 civic and i had that problem and is really simple here are the steps with pics sorry for my english but ill do my best take out the fast idle *Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use* Automotive Test Light- https://amzn. Had an 05 Element. Feb 11, 2004 · it should idle high when first started up during the cold months and about 850 after being warmed up, rest of the year it should be about 1000 when first started up then go down to 850. When cold, or sitting overnight only, vehicle starts up fine, however has rough idle, loud exhaust vibration sounds in interior, is worse in reverse backing out of driveway. My a/f ratio is in the 20s and my car's rpms are all over the place in idle. Nov 25, 2008 · at cold startup, initial idle in park or in neutral will be roughly 2000 for a K20, and I believe 1800 for a R18. The problem comes and goes whenever it pleases which is strange to me. I tried google it and found it has something to do with the power steering pump but didn't not get much information about that. The engine might feel like it’s about to take off, and the high RPM can lead to increased fuel consumption and even potential damage to your engine. I bought my 2007 Civic ES just a few days ago, and I've noticed that in low RPM, mainly when on idle and in a standstill, the RPM drops every few seconds, it is most noticeable when the AC is on. when i am driving at 3-4000 rpm and release the gas pedal and at the same time presses the clutch pedal, it looks like the engine struggles to find its idle point, it can go to 400rpm then 1500 then 600 then 1000, and 2 times it has died out Dec 28, 2021 · If you are holding the gas at a certain rpm for x amount of time as the idle relearn procedure, this won't solve your issue. When we activate the AC, the compressor kicks in and demands more power, which can cause a momentary dip in the engine’s idle revolutions per minute (RPM Jan 20, 2009 · Moreover, the idle is fairly low (650 rpm for MT models) which probably contributes. 2K subscribers Subscribe Apr 29, 2010 · Honda Civic Forum Honda Civics by Generation 7th Generation Civic 2001 - 2005 Mechanical Problems/Vehicle Issues and Fix-it Forum Engine Idle Issues Oct 11, 2022 · Can't figure out why does my honda civic idle up and down? We are here to rescue you from this dilemma with reasons and solutions regarding this problem. How can moving the steering wheel change the RPM's of my car. I tried a few things and finally narrowed it down to a stuck open EGR valve. ) Engine won't rev past 4000 RPM? Exhaust restrictions, fuel issues, or ECM problems are common causes. It should idle at about 830 rpm with no load on the engine. Explore now to keep your Honda running smoothly. Also sometimes when I am driving the car has a hard time accelerating and once i get to about 3k rpm is will sit there and bounce and backfire a whole lot. How to Fix P0507 Honda Diagnose the root cause of the high idle RPM by scanning the vehicle's computer for trouble codes and performing a thorough inspection of the idle control system components. Definition and meaning of a Honda P0507 Code, "Idle Control System RPM Higher Than Expected. Generally, a rough idle is caused from a difference in how much air the engine computer sees coming in, and how much is actually there. 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. A Honda with a rough idle isn't terribly uncommon, especially in older Civics. Also jumps when I turn the A/C on or off or change from Parking to Neutral or Drive. Apr 2, 2025 · Discover the causes, symptoms, and insights into Honda Civic idle problems. (975 rpm) But my Civic sometimes curb idles at 800 rpm & runs fine at this rpm. Jul 25, 2013 · Solving Honda Idle Issues, Rough Idle I get a TON of questions about Honda idle problems so I’ve put together this article to help you should you run into a rough idle on your Honda. Apr 30, 2024 · P0507 Honda Code Definition: Idle Control System RPM Higher Than Expected Having a P0507 code indicates that the idle control system is running at excessively high speeds – this is also called a ‘high idle. Mar 31, 2025 · The smooth purr of your Honda Civic engine at idle is a comforting sound, but have you ever wondered what RPM it should be running at? Knowing the ideal idle RPM for your Honda Civic is crucial for ensuring optimal performance, fuel efficiency, and engine longevity. If your Honda Civic is struggling to maintain a smooth idle, you’re not alone. Very first bit of the throttle seems laggy or dead. - Honda 2008 Civic question Dec 16, 2018 · 07 Honda civic ex coupe. Our guide offers detailed troubleshooting steps for Honda idle surge issues, providing insights on resolving surging idle when warm. Clean or replace the idle air control valve (IACV) to ensure proper airflow and idle speed regulation. 9. It’s shaky at backing up also before it’s fully warmed, or down to base idle. I have an 07 Si with 5500 miles. Honda Civic: Is It a Sedan and What Are Its Competitors? Dec 8, 2019 · The issue came back, same code P0507. easy diy fix Jul 13, 2011 · Hey so I got a D16y7 block with a y8 head. May 16, 2006 · Only one Honda Dealer could quote the curb idle after warm up. Learn 14 reasons and solutions here. Honda civic fix rough idle stall stop 3500 rpm check engine low speed 2006 2007 2008 2009 2010 2011 Let There Be Light Channel 1. Manual transmission. Nov 4, 2006 · u may just need to raise the idle just a bit 50-100 rpms. after few kms of drive i noticed engine vibration at idle. The idle air control valve (IAC) controls the air allowed to bypass the throttle plate when your Honda Civic is idling. I had an older civic and in that case it was the iacv (idle air control valve. So just wondering if anyone know wat's How I Solved the Honda High or Sporadic RPM Problem LunarOutlaw’s Garage 28. From what I understand, the idle is ECU controlled,etc. On top of that I did a TON of searching on the h-t, hybrid boards, and on here. Recent work done includes thermostat replaced, coolant change, TB cleaning, couldn't get it to idle under 1000 Dec 9, 2006 · I finally got the swap (b18a) in my civic. I had to keep revving the engine to keep the RPM up but as I pulled up to the appointment, my car stalled on me again like last time in the middle of the street. It kept bouncing up and down repeatedly. Now today it's throwing several codes: P0461 - fuel level sensor circuit range/performance P0300 - random/multiple cylinder misfire detected P0304 - cylinder 4 misfire detected P0301 - cylinder 1 misfire detected Made an appointment at the dealership tomorrow morning. Symptoms totally disappear after vehicle warms up. As of now I can see that Sep 25, 2009 · Hello! 2007 civic coupe, automatic. This comprehensive guide provides 9 step-by-step instructions to reset your Honda’s Electronic Control Unit (ECU) and throttle body to their factory settings, resulting in a smoother idle and improved overall performance. Just installed new battery yesterday. Apr 2, 2025 · Discover the causes, owner feedback, and recall facts about the Honda Civic high RPM problem to keep your vehicle running smoothly. id also say clean the TB but the milage is very low. and with the drive by wire systems its always harder to clean (or manually adjust the idle). You can get an OBD II code scanner cheaply, or most auto parts stores Honda Civic RPM up and down problem clean your car throttle body and check your car idling system In this video i go over common issues that cause the hunting idle or idle issues in civic. I'll hold on to a new throttle body + gasket and keep driving for a week to conclude the fix. Learn how to identify the right idle speed and troubleshoot common issues. Jul 7, 2009 · Are you being serious? When you put the car in drive the engine is under a slight load (you holding the brakes) so the RPM will drop. It is rather annoying and I'm not sure if this is normal Dec 1, 2010 · To tell you the truth, as per the book the R18's made in the US are suppose to be at 650 + - 50 rpm at idle and the once outside of the US are to be at 750 + - 50 rpm. From start up to idle, it buzzes. Nice car, good mileage, but that shaking sucks. Is it normal for the AC to be cool, but not cold at idle and get considerably colder when driving? this occurs pretty much Oct 2, 2022 · how's it going everyone? I got an 2008 DX sedan 5spd with the 1. Fluctuating my engine RPM with a range of 600rpm-700rpm, the engine also sounds like about to shutdown, and i also smell unusual odor from the outside. 8l in there that has a mystery that can't be solved. So when in idle your ac doesnt blow cold because it's in low pressure, and your crank is turning slower. It’s also possible that there’s an issue Oct 9, 2018 · Hey all, I don't post much, but I don't have many issues with our Honda and I'm just fine with that. Maybe they wont have to go through as Moving: Idle target RPM when vehicle is moving Disable IACV error: Check this when you don't have an IACV valve or you if you get a IACV valve error so the check engine light won't light up Aug 29, 2019 · If you own a Honda Civic and it’s idling rough, you may be feeling frustrated. P0507 idle control system RPM higher than expected / Honda Accord 2013 to 2017 idle relearn $600 3rd Gen Prelude Ep. During slow fluctuations of speed Feb 22, 2013 · hey i've got a strange problem on my civic 1,8 2007. Depending on the model, the standard RPM range ranges Jul 28, 2008 · In turn helping the ac get colder. Your car is probably idling at an excessively high RPM if the engine temperature is above 900 degrees. A crucial aspect of this smooth operation is the engine’s idle speed, measured in revolutions per minute (RPM). Is your Honda idling high? Does it stall? Did you recently complete some repairs or disconnect the battery 🔋?Well you came to the right place!Ask questions Jul 3, 2019 · Ac is room temperature when the car is at idle. I was going too fast and downshifted into 3rd gear and blew my head gasket. This guide will delve into the intricacies of Honda Civic idle RPM, explaining the factors that influence it and how to determine The typical idle speed for most 2 liter and smaller engines should be about 750 RPM (when the engine is warm). It ran fine at higher RPM but if I took my foot off the pedal at Stop light, the engine would idle so slow that it occasionally would stall. Honda Civic Idle problems, Clean air sensor and clean throttle body, rough idle, unstable or surging, dies when put into gear or bad gas mileage Yeah most of the time this will happen if you have a vacuum leak. My AC is blowing outside-temp air until I am driving on a road that has consistently in higher rpms. sometimes pulses but rpm doesn't change. This blog post will delve into the common culprits behind a high-idling Honda Civic, helping Jan 20, 2024 · The rpm now is about 750 at idle and it doesn't spike when cruising in neutral. gen civics? Jan 24, 2025 · For Honda Civic owners, one common question revolves around idle RPM – what’s normal, and what should they be listening for? This blog post will delve into the world of Honda Civic idle speeds, exploring the typical range, the factors that influence it, and what to do if things seem amiss. ) I've researched it on this forum (there are lots of threads on this topic) and couldn't find any Dec 28, 2018 · 2008 honda civic hybrd engine surges an high rpm it goes from 3000 to 1800 back an forth i put the emergency brake - Honda Cars & Trucks question May 30, 2008 · I posted this in the Si forum, but after looking I should have posted it here. Compressor engages. -------------------------------------------------------------------------------- So i decided to clean my throttle body on my 07 civic si coupe (wish i never did),What i did was I took off my intake and wiped the inside of the throttle body with a brand new microfibre towel cloth. That's when the motor is really idling in drive, assuming the drive by wire doesn't have any hand in it. When I turn on headlights the RPM increases to 710-715 and rough idle diminishes. Engine will idle around 500 and feels rough with vibration. I have a 2008 Civic ex coupe 5spd, while the car is idling it vibrates quite a bit. Used MAF sensor cleaner, and cleared code yesterday. I know turning on the headlights increases electrical demand hence uptick in RPM. Afterwards you are done! Its that simple. Maybe my car has finally readjusted itself to 700 RPM. When i start up the engine (cold) it goes up to 1500 rpm, after heating up goes down to 1000 rpm, but in between the rev counter spikes to 2000 rpm then goes back down. 133k on the car. It’s an issue that can strike a chord of concern, as it points to the extra load the air conditioning system places on the engine. It gets plenty cold when it does, so the thing is at least May 4, 2007 · Hey, I'm hoping that this is an easy fix (an adjustment or something). For a high idle around 1200-1300 RPM with no check engine light, inspect the Idle Air Control (IAC) valve for dirt or sticking. When stopping at a stop light, the idle will often drop momentarily to about 400 RPM and then it will catch itself and speed up to about 800 RPM before stabilizing to the set 550 RPM. to/3z1Pdxa Flexible Backprobe- https://amzn. I mentioned this to Honda when I brought it in for May 20, 2015 · Hi all, need some help. 2008 Honda Civic RPM Idle Issues After Gas Release Civic often faces high idle RPM and delayed RPM drop after releasing the gas pedal. Any ideas? Aug 28, 2017 · Hello everyone! I just picked up a 2006 Civic Si coupe this past Saturday and I'm trying to get the bugs ironed out. Have been searching the net for an hour and can’t find any definitive reference for normal warmed-up idle speed for this R18A engine. mk8ti0k2gvejwg9mejvmz3xtkk6slc0o1iwv3x4jonv7nj8