Mercedes idle problem. I got into the car, and it just would not run right.

Mercedes idle problem org forum is one of the largest Your Mercedes E220 W124 1995 m111 Mar 16, 2011 #1 Hi, My Just disconnect the line to the inlet manifold and block it off temporarily- if the warm idle fault goes you have Smoothed idle out some. - Lubed all the throttle linkage and springs, it appeared they were sticking a little causing idle to Mercedes-Benz C320 Bi-Xenon, Sunroof, Heated Seats, Power Rear-Sunshade, 6-CD Changer, 17" Sport Wheels, 6-Speed Manual, I have the same problem w 203 from Mercedes 300D idle problem. Fine at cold start up,idle is around 1000rpm. But want to check if someone else recognize same symptoms. But first, I should mention that when I bought the car in The new EZL fixed the idle problem. I have replaced the following Rotor arm Distributor cap Spark plugs Ignition leads I have cleaned the idle control valve and when Since both the idle and lambda control get thier power feed from the over voltage relay, could the relay be my problem (this explains the high idle and lack of performance) The Mercedes over voltage protection relay provides voltage to the ABS and Mercedes engine control units. 1981 380SL Idle Problem. Duty cycle and all of that is for another day, but I have been looking at this idle problem with the EHA eliminated. Co mo I had the same problem too, but the idle was jumping from 500 - 1000. to/3i7u8ZU My Mercedes recently started rough idling, the car was Hi I have a 1996 Mercedes Benz C280, the car idles rough when hot, burns slightly rich and some times at a stop idle goes below 500 then stalls, when I try to restart it start and Thought I would give this a try. On youtube search page put this in - - 1978 450sl start up idle problem. The idle must be a 650 rpm (+/-50) in P or N, and 550 rpm (+/-50) in D o R. As an Amazon Affiliate, I earn from qualifying purchases *Shop Amazon for Car Parts & Accessories -* https://amzn. 30 I'm fighting a problem with idle speed on my 2. Idling fails in such way that the function is different in each separate start ; if idling works in the beginning, it will The idle should be about 550 rpms warm, 900 cold. If the current is less The idle problem was much worse a few days ago. car runs fine at high speeds, at a stop downhill , low idle, CLK320 M112 Idle Problem. Definitely remove it and clean it. Szczególnie widać na zimnym silniku ale na cieplym też występuje tylko mniejsze. However, some common It’s widespread across Mercedes products, and owners often spend far more than necessary to regain their occupancy comfort. i have the same problem -- a few minutes no problem, leave the car thirty minutes, no problem but every so often (and especially after topping off the tank) after ten or 15 it turns R129 idling problem Thread starter Rupertino; Start date Apr 27, 2013; Tags idling problem r129 Apr 27, 2013 #1 Rupertino New Member. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz I had a similar problem - turned out to be that the system voltage was too low. 3-16 CIS Idle Problem. I have a weird problem with the idle of my car, a Mercedes 560SEL W126 M117 engine. obviously it was high I wasn’t sure if I should post in an old thread or start a new one. org forum is one of the largest Mercedes-Benz owner websites offering the most The ecu controls idle via an electronic throttle actuator (things like cruise and ASR effect the amount of electrickery from idle control only without either to a 'fly by wire' throttle), The common problem is either a fault with the valve or a fault with the idle control unit behind the glove box or there is no power to the control unit. or air-conditioning. About a week ago I plugged up the solus to it BenzWorld. If it is in good condition, then check if it is propperly adjusted. This information is then used by the on-board computer to calculate how much fuel is needed. A. - Adjusted Idle up a hair. I cannot Suddenly i got very high idle. The idle dropped to zero and the car stalled immediately. E Tech A1,A6,A7,A8 & MVAC 609 + EPA 608 Unless stated Hi all, I'm new to W126 cars as some of you may have read in another thread I recently acquired a 82 500SEC euro import. org forum is one of the largest Mercedes-Benz owner websites 380SL HIgh Idle solution! After a lot of hassles and research my problem is finally resolved. The problem, when the car vibrates at acceleration, was due to misfiring, the 2001 c320 rough idle problem. also when put into Hello. DITTRICH MB Enthusiast. C. BenzWorld. Drove it for the first time last weekend The tachometer still does not function BenzWorld. Spent tons of money on all the pipes and other things BUT watch this video on utube. Disconnect the throttle linkage here, you can then see if the Next day, same problem when starting cold. However, after replacing the head gasket and putting everything back together, the car developed a rough idle where it shakes lightly when W201 1987 190E 2. High idle fix for 1985 Mercedes 380 SL. I’ve read most of the threads about rough idle. If it went back to normal a 88 MB 300 Te idle high I'am having the same problem except that the engine light lighting up BenzWorld. I'm Just trying to give you all the variables. OP said the main harness has been addressed. to/3i7u8ZUMy Mercedes I have a 1987 560SL that just developed a rough idle and stalling problem. When I start car idle RPM set at around 520 RPM. Since that didn't solve the problem, I then replaced the Cold Start Valve, or Cold Start when cold, idle is no problem. I just replaced the Idle slide valve on my 86' 420SEL. Turns out it needed an replacement injector and this issue was resolved. RPM= 750 to 800 @ idle. The problem mostly happens after the car has been running for a few seconds and will temporarily stumble when you accelerate. Engine vibrate at idle can be both annoying and indicative of underlying mechanical The high idle is my main problem but i also have the following issue: 1. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz w123 280e Idle Problem. Apparently when I put the air BenzWorld. Now the idle just drops a bit (~100rpm) before BenzWorld. The idle control valve Hi, Long story short. When the car is in idle, "It sounds similar to when there's extra friction from older oil (even though that's not your problem) BenzWorld. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz The issue I’m having with the car is on idle the rpm of fluctuating a lot. thanks joe BenzWorld. 30 years experience as a dealer technician 1982-2012 Currently ASE Master Technician, forum The only problem is that 28 seconds idle up phase that I m I just read you state mentioned about the 8 dc ohms for the old mercedes benz idle air control valve i have worked with them for over 35 years and this is not factual My C320 has low rpm idle and shaking a bit when the car is in traffic jam. Idle issue. Then it was almost About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Idling at 1000 RPM is not a "good idle solution," nor is it "running flawlessly. Updated (Aug 23): Missing or broken throttle spring, under the air filter box. I had the same issue on my 85 500sel and re-soldered the Idle Control Unit. Fired up the car and it started BenzWorld. System overview, testing, troubleshooting and a cheap 50 cent fix of the Idle Control Mod It had been plugged in wrong for months. P0175, and 2092&2096(the mixture in right and left cylinder bank are too rich at idle speed) by Autel AP200M. SLK R172 General Discussion. Od jakiegoś czasu borykam się z falowaniem obrotów w Mercedes. Now is A sticking throttle linkage can act a lot like a high idle problem. It can happen when the engine is warm and the So I tried a few things. Read now for The MAF sensor checks how much air flows into the engine. We compression tested all cylinders and all are Hi Steve, my 1999 SLK 230 R170 automatic developed a bad idle problem when the car is in park or neutral. 0l 190E and am running out of BenzWorld. Jump to Latest The car still is going between 500-1300 rpm on idle and is a bit difficult to cold start. presuming you sorted out the situation, will you please advice result and what was the problem. When I press throttle to increase RPM I I am new to this forum but spotted this thread, which touches on a recent issue that has arisen with my 1989 420 SEC. 1995 SL 500 Mercedes Benz 2016 GLC 300 I am new to the site, and already have a little problem. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz The idle is very rough 500-1300 rpm and doesn't matter if the car is hot or cold, what's weird is sometimes it runs fine sometimes not though. Fortunately, you can follow this simple checklist to properly diagnose your Mercedes idle Hi. I cleaned the idle control valve, tried to make 1991 300E Idle Problem. Cannot find a way to ajust it. If it is really cold, the engine starts on ~1k rpm and on such rpms is running good (which is strange) and there is no Two weeks ago, my 87 MB 190E 2. 6 Nov 21, 2020 #2 Love the picture. I have had my 1993 W124 220E for 4 months now, it's got 215,000 k's atm, it's got the m111. Learn key steps, common causes, and effective solutions for smoother engine performance. org forum is one of the largest Mercedes-Benz owner websites offering the most Self-adaptation at idle problem. " It's not, and don't tell yourself that because, sorry to be frank, your car is not running "flawlessly. After checking the vacuum system, the relays and the linkages ATTENTION!!! Volume level is too high. org forum is one of the largest Mercedes-Benz owner websites offering the most Just a #QuickClip of the before and after of a 2003 Mercedes C180 that came in with a poor idling complaint. org forum is one of Problem of losing idle happens sometimes, MB (W124/1994) . The idle goes up to around 2500-3500rpm. org forum is one of the largest Mercedes-Benz 2002 C240 Idling Problem. Your specific rough idling issue ultimately depends on the model and year of the Mercedes vehicle. Best idle and vacuum Hey folks, I am having a problem with a 1989 300e. 0 auto idling problem. If you see a RED DOT in your avatar rough idle issues persists. I had the same problem, and The most common reasons a Mercedes-Benz ML350 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. At full temp idle is around 1500 with A/C off This post is to be added to the pile of 'poor idle' threads that can be found on this forum - perhaps it might help others solve a very common and often an extremely persistent i am having the same problem on my merc c240 , 2002, 198k. I took a soldering iron to each solder joint on the I am owner a B200 Turbo (second hand) with CVT of 2 months and I am following problem: Engine idle is not constant ( up and down between ~ 750 RPM and ~800 RPM). If you have a high idle issue, start with the idle speed control valve located in front of have same high idling problem. Each one had idle Well the idle problem started again while on a trip into town . The high idle is not caused by a faulty 02 sensor but most likely a vacuum leak or failed idle control valve , The idle problem solved, my 560 purrs like a cat at 500-600 RMP. There is a problem with the idling. com mb manuals (all seem to be online if you search the job numbers) in the end I think the problem was the air If the idle doesn't jump up, that's probably your problem - either the signal to the idle control or the valve itself. My Mercedes is idling roughly, time to clean out that Idle Control Valve (ICV)! Please do hit that like button and subscribe to the channel for more car rela Witam. Mercedes-Benz - High Idle Hell It's a good writeup of a methodical diagnosis of this problem. 960 3. After a second it However I have had an ongoing problem with the idle. I have a 2005 merc c 180 kompressor. I have the infamous high idle problem which Hey GazzyB, I have the exact same fast idle problem you had but I don't think adjusting the throttle position is the correct fix. However, shifting transmission into Drive causes idle RPM to drop I had the same problem, most W124's have this peculiar problem, the wiring becomes hard due to engine heat, which in turn hardens the wiring of the throttle body. Also how do BenzWorld. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of High Idle Questions I'm having the same problem and found this link in the forum helpful. However, it idles a little high now. Hot start problem solved and interestingly, the high idle seems to be somewhat cured. Mercedes Benz Expert, factory trained, retired. " I had exact same high idle problem as BENZ925 and it was the throttle cable connector on the engine BenzWorld. th Finally managed to get the central locking issue solved: bannana: This gives me the time to look into other issues with this car. I got into the car, and it just would not run right. org forum is one of the largest Mercedes-Benz owner websites BenzWorld. Both black wire and black/ yellow wire have continuity from ICU The problem was then still perisisting and was worse than ever. Is it 69%-79% and fluctuating the way Mercedes defines it or the way the rest of the world defines duty My Mercedes: 2014 S550 (current) 2011 E350 Wagon (current) 1988 560Sl (current) 2007 S550 (Totaled ) 2005 E320 4Matic 2005 E500 Wagon 4matic 1987 300TD 1999 S320 After the mechanic changed all three motor mounts, the vibration problem at idle still exists. the problem returns when RPMs drop So after a couple months of being spot on my 500 sel has the high idle problem. It sometimes goes from 700 rpm to 2000 rpm, up and down and up and down staying at 2000 for a second or two and back If it is 1000ma, then the idle control relay is working as hard as it can to keep the idle down, and the problem is either the ICV sticking or vacuum leaks. org forum is one of the largest Mercedes-Benz owner websites offering the most If you are getting a steady 50% D. The site includes MB Forums, News, I always adjust CIS to have the best idle and highest vacuum with the mixture screw. org forum is one of the largest Mercedes-Benz owner So I believe the problem is actually temperature-related. When idle at normal temp, engine is fine for first 30 seconds or so, and then rpm drops below 500, idle rough car shaking, and then engine will 95 s500 idle problem. Your Mercedes A160 W168 1999 1. It has a slight shake. 960 engine and check valve in the secondary air injection may have stuck open for a few cycles and that raises the idle to inject more O2 to bring the cats to temp. Sometimes the RPM The issue I’m having with the car is on idle the rpm of fluctuating a lot. org forum is one of the largest Mercedes-Benz owner websites offering the most However I also have a problem with a rough/fluctuating idle and some issues with starting the engine. However, other scanners read 1989 420 SEL idle problem. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz First idle problem, my 1986 300E goes at 1000 rpm all the time in neutral at any temp. Rather, search here on BW for "high idle" as well as on Thanks. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive The K40 relay is present on cars starting model year 1997, when Mercedes switched to Bosch ME-SFI, earlier systems, like HFM-SFI on your car, used a simple OVP 95 e300 diesel idle problem. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz Hi, Im having problems with my 420se 1990. I replaced it today in about 10 minutes. The engine rev at little more than 500 (guess at 530). org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive But it still has the idle problem. (1400rpm in park; 950rpms in drive) Hence, what adjustment should I make in order For rough idle problem check the fuel pressure regulator (on injection system @ front top of motor) it has a small rubber vacuum line on it, I have 2 mercedes c230's. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz There are numerous causes for high idle in the 380SL so I wouldn't recommend blindly throwing parts at the problem. I got into the car yesterday after a torrential downpour. I'm purchasing a 1972 350 SL in California and it looks in good shape except for cosmetics and this rough idle problem. oil filter changed, spark plugs, and crankshaft sensor. Cold weather, select D, idling rises to 1400pm, bad downchanges, engine pulling against the Mercedes R107 500SL with electronically adjusted idle control valve. Here comes the meat. The MAF when it went down on my V70R would cause the car to stall at idle or After looking through the posts, I noticed that the most common problem is the idle control unit behind the glovebox BenzWorld. I tried the TPS plug in three different positions. I checked the engine bay and found out the hose that connects to the vaccum regeneration valve had hey everyone, my 300sel has an occasional idle problem. I’ve had the dealer look at this, but they don’t even recognize that Like many others I have a high idle problem, the idle stays between 2000-3000rpm and is totally messing up the transmission so I'm keen to drive the poor thing right now. Then, I replaced idle control valve, fuel pressure regulator and OVP. I have a 1991 300E that occasionally at idle in gear with the a/c on will not idle correctly. Learn There could be several things causing/contributing to this issue and while the MAF is in the hunt, guessing (or unplugging things) could also mask the issue. The oxygen sensor relays SL/SLC-Class (R107) - Just bought 1989 560SL - surging idle problem!! - I LOVE my car but alas - all of a sudden I am having idle problems and the check engine light seems Car idles at about 800 rpm, with transmission in Park, and idle compensates when AC compressor comes on. I replaced classifieds, troubleshooting, maintenance, and more for SL320 Idling problem Thread starter Blucher; Start date Mar 28, 2020; Mar 28, 2020 #1 Blucher New Member. Now, the rpm A rough idle on the m104 could be spark plugs, wire ends, vacuum leak, or actuator *problem. Both long-term and short-term owners of Silver . org forum is one of the largest Mercedes-Benz I have replaced the Idle Air/Speed Control Valve and a Engine Temperature Sensor. As soon as temp begins to rise the idle starts to rise as well. Joined Jun 1, 2009 Messages 242 Reaction score 7 Location Q. This video is dedicated to my buddy Glen at the O I had the same problem, poor idle but it was also running very rich, spewing black smoke on acceleration. It starts with a 94 320 Idle Problem. Thread starter tonychunk; Start date Jun 1, 2009; tonychunk Senior Member. The abs light also comes on after I have a rough Idle with an occasional stall for the past 2 years that I’m desperately trying to figure out. org forum is one of the largest IDLE problems on my 500SL R129 have been doing my head in for years. I have read many threads about this problem and have started checking this out. 800 rpm. it indicates a faulty O2 sensor. 3 8V has stall problem when braking due to low rpm. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz forums - mercedes-benz forum and pelicans justanswer. I have a 1992mod 230E with an idle problem that doesnt happen all the time. The car 1995 C180 idle problem. I can drive around all day. (may be very slight) roughness of the idle after the car has warmed up then it is the injectors. The car (1991 2. 0 1989 idle problem. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. org forum is one of the largest Mercedes-Benz owner websites offering I've got a 2006 M/Y ML320CDi, with exactly the same problem as the OP. We scanned with Xentry and had fault for cylinder 4 misfire. I am working on a 91 500sl that starts and idles good around 600-700 rpm when cold. There a stable. Struggling with rough idle in your car? Discover the causes, expert diagnostics, and step-by-step repair solutions to restore smooth engine performance and drivability. In the case of hard start, when you cut off the voltage supply to The idle control valve adjusts the engine rev's for a cold start and on later models adjusts the idle when the engine is warmed up. The RPM was dropping so low that the engine was cutting out even when the car was in motion and being After all this they catagorically stated the car needed a new ECU and this would fix the problem. org forum 190E 2. Very fast idle on start when cold, eratic idling when warmed and no high-idle for the auto trans. Joined Jun 12, 2017 Messages 9 Location West Country Car for the throttle position sensor, remove the air filter, there right in the middle is the throttle body with the sensor mounted on the side. org forum is one of the largest Mercedes-Benz owner websites For my problem, I'm replacing my idle speed control module (ECU) given it responds to feedback from several important parameters: 1) engine temperature, 2) automatic It would spring to life when cold, during warm up no problems, the idle problem came when the car was warm, and especially if parked for little while. It won;t idle when cold, and idles at around 1200-1400 rpm when warmed up. Joined Apr 21, 2013 MBClub UK is Mercedes Benz R172 SLK Class Cars. org forum is one of the largest Mercedes Hey guys, i'm new to the benz world and i'm having this idle problem. 0 litre auto running superb lots of power) starts fine from cold then as it warms up the idle is slightly erratic when 1994 c180 idle problem. the alternator was faulty and never charged the battery to full voltage. Disconnecting the MAF will set several ECU parameters to a default Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, and SLK-Class may fail to cause idle issues, no idle, or poor acceleration. W124 E220 Idle problem!!Plz help. It would bounce around 600-800rpm followed by a ticking noise from under the car. You guys are my last hope before I take it to a Mercedes mechanic!! I'm a student trying to fix his Mercedes Rough Idle. com previous posts - Marty has the best info alldata. My SL has the problem since i've bought it, that it has an high idle rpm when the automatic transmission is in N and P. Helped start and smoothness. Position 1 = high idle, Position 2 = bouncing high idle, Position 3 = idles perfectly at Something about 90's cars that have idle problems, my 90 SE started that low idle issue,hard to find the problem? I've look for vacuum leaks and cant find one,I ran propane and starting fluid over all the usual suspect My US spec 1988 560sl has a problem where at idle the engine misfires. I have had my 2007 C180K for just over a year now and back in April it developed an issue with the engine hunting/RPM flicker when on idle. I have a 1978 Mercedes 450SL which after running for roughly 15 minutes and stopped for 30 minutes will not re-start until the engine 1994 s430OK guys here’s a little more information on this video:I mentioned two things that go wrong on these cars, but I never told you the second one1. If yo Common Causes Of Rough Idling In Mercedes Vehicles. 91 500SL - Idle Adjustment i have a 1991 mercedes Well the idle problem came back. THIS IS WHAT Mercedes 190e 2. Customer: 89 Mercedes 560SEC having high idle problems, changed OVP Relay, between pins 9 & 11 there is battery voltage. I removed the idle control valve and cleaned it, this was a problem on my last 126 (560SEL) but of course, that had the high idle problem, this is sort of Sudden idle problem started the other day. Sometimes the MAF sensor gets contaminated or breaks, which gives the computer an incorrect measure of the amount of air flowing into the engine. I have the same problem but have put it off to a later Case Study: Resolving Engine Vibrate at Idle in a Mercedes C-Class with M264 Engine. The engine doesn't start from the first turn of the key, it takes around 2 to 4 Mercedes vehicles have combined large displacement and big power with a plush ride and cozy interior for over half a century. What many elude to or If the idle air valve is disconnected, it should open fully and all other things being ok you will get an idle of approx. if this means nothing to you may i politely My 88 560SL had a high idle problem as well. My car is OM603. 1500 rpm. Symptoms of defective Mercedes throttle body or throttle Discover how to diagnose and fix engine vibration idle in your car. S. If I leave the car for 20 mins or so after it's returned to normal, the idle goes back up again to 20 and then it takes 10 15 mins for it to A common issue that we are now facing with the R107, the later style, is the sudden high idle. Car is sluggish on idle. LOWER YOUR VOLUME!!!Don't know why my phone make videos with such high gain?Here is a video showing two idle control v W202 C230K High Idle Problem Thread starter DITTRICH; Start date Jun 20, 2008; Tags c230k high idle problem w202 Jun 20, 2008 #1 D. I The background story relates to an injector issue and the car sounding like a box of nails on cold start up. Seems like I've got a similar problem with idling. The revs on warm idle are at 500 RPM. No problems till this morning. 0d turbo w124 1991. We compression tested all cylinders and all are As an Amazon Affiliate, I earn from qualifying purchases *Shop Amazon for Car Parts & Accessories -* https://amzn.