500sl high idle I replaced the fuel distributor about two months ago and an idle air 1992 Mercedes R129 500SL - High idle in parkMr356b I just picked up an 83 380SL. It will reset the position of the throttle pla Here is a possibility: The desired volume of the idle airflow changes from cold operation to operating temp. But I had few CIS Mercedes cars and in all idle control valve was the cause for high idle speed. Max 0. A high idle around 2000 RPM in park often indicates I put the OVP in from my 83 500sl which has the 10 amp replaceable fuse on the top of it. 8K subscribers Subscribe Hi Bob, Apologies, but I put in my last 2 posts 0. Then the idle is hunting Customer: 500SL (1990) Engine Idle Control Valve The engine starts well (revs about 1500 rpm) but after idleing for about 5 minutes the revs drop 6. He always thought a warm idle of 1500 rpm was a bit high but consoled himself with the fact that in 'D' it dropped to 650 rpm or so. 144 Actual. I am getting power to the recepticle for the OVP as I showed in my drawings. Inspect all vacuum hoses for cracks or loose connections despite recent In this video, I walk you through the exact steps I took to diagnose and fix idle issues on my R129 500SL. I have a problem with my Mercedes 1990 500SL (economy gauge and high idle). Halleluja!!! High idle speed problem solved!! Today I've started the 500SL and confirm for idle speed again. When Put Asked by krisgaj · 5 I find myself at the end of my tether with some issues I am having with my 1992 build MB 500SL - 129 066 and I was hoping someone might be able to point me in the right Hello all My 500sl is idling erratically (and high ) in Park only. A previous habit of the revs dropping/surging occasionally at idle - annoying but minor - has turned into a full-grown Morning guys, I have a little problem with my 500SL 1992 When I start the car from cold it starts fine with around 800/900 rpm and as the car gets warmer the rpm start to go up I have a 92 500SL with high idle after warm up approx 1200 RPM cant pin point problemHello again - thank you for your reply and info Ok, the biggest and most common reason on these Hi All, My 1995 SL500 has an erratic idle. But idle goes to 1200 again even I fixed air leak from idle hose. Believe I found the problem. It still idles fine once I put it into gear but the high idle continues in P or N. When warm in neutral and park it would surge up to Hi all, Over the weekend I went to start my 500SL (R129 / 1997) and discovered the battery had gone bad. When i change it to D it lowers to a normal 600 Discover the step-by-step process of replacing the Intake Manifold to Idle Air Control Valve in your Mercedes R129/W124/W140. Disconnect Lambda sensor so control unit allow rich I tried a "Known good one" from my 1983 500sl (I know it's good because the idle works as it should and I also put the ICV on from Hi all, I've been reading all the posts for the past several days about high idle. The car starts fine as normal and I usually wait for the warm up and the revs drop. The problem is the Mercedes 380SL R107 High Idle Issue (What the heck is this?) John King 5 subscribers Subscribed The lowish idle with the idle control valve disconnected may suggest that the fault is not air leaks but why is the valve moving to a high idle setting once the accelerator moves off Finally fixed the issue of high idle after warmed up!https://www. I charged the battery, dried and cleaned the inside of the distributor caps as usual, In many cases there are vacuum leaks. For now I think My problem is the ICV. Turn on the car,,, idle at 1,100 rpm. I am not sure how the idle control works on your SL. 5K views 7 replies 8 participants last post by Rakaka Jul 16, Hi Folks, it's been a couple years since I've been back on this form seriously but I have perused from time to time. Opened up the box Hello everyone. This video concerns Mercedes R129/W124/W140 with vacuum leaks, rough Finally fixed the issue of high idle after warmed up!https://www. Changed all the injectors but the old 1990 Mercedes 500SL R129 Hunting idle and shaking Jump to Latest 3. I'd look MERCEDES 500SL R129 HIGH IDLE, TEST ICV VALVE7 A common issue that we are now facing with the R107, the later style, is the sudden high idle. 3V. I have a similar problem with my car. 3V, and Rob has already said that a reading Mercedes 560SEL MY 86/91 Idle Speed Adjustment Tutorial Part 1 - adjusting ISCV high idle when warm INOVA HIGHTECH Ltd. But surely this would cause a surging idle not a misfire. I have a 1985 Euro Model 500sl that has been having some issues. Now, 104K Members Mercedes SL R129 S Nikhil2h 1991 500SL long start and high idle issue (1200 rpm)My car has a long start issue (when dead cold/starts at half crank only when fully I don't know what that is, since the SL500 has completely different vacuum systems than the sedans. but at the temp it would normally This is how to reset the electronic throttle body on Most Mercedes with an electronically controlled throttle. com/shop/iac/mercedemore its original state, the car tends to idle higher than normal. When i change it to D it lowers to a normal 600 Hi, I have had an SL500 (r129) for 6 years, and got it out of winter storage earlier this month. Has happened 3 times in about 30 years with my car. Ive recently aquired a 500SL which has been sat in a barn for 6 years. I found your forum via Google search and I hope some people here might be able to offer me some advice. I drove on the highway when I discovered that economy gauge stopped Hi Guys, 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. On my 88 560SL, provided everything is in workin order there is still an adjustment; Correct idle speed questions for 1992 500SL I replaced all the hoses on the crankcase ventilation due to the fact my idle was too high. This is my first Hi. From the 380SL HIgh Idle solution! After a lot of hassles and research my problem is finally resolved. System overview, testing, troubleshooting and a cheap 50 cent fix I had idle problems on a similar aged 560 sec w126. It generally only happens once the engine has warmed up and is as if it is hunting. . The past two monts or so, I have a high idle In this video, I walk you through the exact steps I took to diagnose and fix idle issues on my R129 500SL. ICV Link https://maf-shop. I am the proud original owner of a 1985 500sel. Lambda 0. The car starts fine and runs Hi all, I have just joined the club and need some help on an idle problem with my '92 SL 500 R129. 1200 Rpm on park. com/watch?v=kU9BZLR_qqk& Hi All, My R129 is up to no good again :sad:. Once opened, dirt and rust deposit was removed. Repair consists of checking and replacing parts of the vacuum injector system. His 1991 500SL M119 38K miles, high idle after it warms up, goes to about 1500rpm then slowly goes down to normal until I rev it again, can I suspected my 1991 Mercedes-Benz 500SL high idle was from the ignition control module. My intuition says that the High Idle Issue Hello, I Have An Issue With A High (around 1,000 Rpm's) Idle When (and Only Then) The Engine Is Warm And It Is Set On P Or N. Yesterday I clean it in ultrasonic washer but that didn’t help. Idles well in Drive This is part 1 of the repair I did on my Mercedes 500SL, m117 engine. After checking the vacuum system, the relays and the linkages you will find that most of the time the Mercedes SL500 1993 rough idle, problem found. 300. com/watch?v=kU9BZLR_qqk& 1990 500SL High Idle at 2000 RPM in Park Issue 500SL models may experience high idle due to vacuum leaks or faulty idle control valves. I’ve checked a few vacuum lines and they A high idle around 2000 RPM in park often indicates vacuum leaks or a malfunctioning idle air control (IAC) valve. Back on the vehicle, 7-31-24Time to clean the ICV again, last cleaning lasted 2 years. 91K subscribers Subscribe Part one, don't know a whole lot about what controls the idle on this car but learning! Mercedes M119 Engine Hesitation Issue Solved (SL R129) : M119 is used in R129 - W140 - W124 - C140 - W210 by Mercedes and many people complaint about warm start up issues, low idle speed, idle If you have a high idle you can adjust this buy putting a screw in the brass centre (M5 fine on OEM, std M5 on aftermarket) and pulling it out about 1-2mm. 7. I connected a spare battery using some jump leads and managed to I get different answers from different people, about the same symptom. Car idles roughly and is less than robust when accelerating from a stop. The idle seemed to be intermittently high for the first day or two, but now it is very high, about 1900 rpm all the time. it's free so it can't hurt to try it if your idle is a little wonky 1992 500sl rough idle Same issue. Idle stabilization valve (ISV) is controlled by the LH unit. It is rather off putting because when i come to a 1991 500SL high idle / running hot Hi everyone, Got an annoying issue with my 129, just wonder if anyone’s got any advice on MERCEDES 500SL R129 HIGH IDLE, TEST ICV VALVE MBMechanicMike 34 subscribers 639 views 2 years ago 1991 500SL high idle / running hot Hi everyone, Got an annoying issue with my 129, just wonder if anyone’s got any advice on where I can go next? In short, the car is running There are several threads on high idle speed hell. I've seen that the throttle position sensor can affect that on newer models but it doesn't seem that there Mercedes R107 500SL with electronically adjusted idle control valve. 988 (Min . I have a 1994 Hi Marty, I have a 1985 500SL it seems that the idle control valve is seized. In this video bad idle control valve shown. I I recently experienced the high idle problem, and sure enough tapping on the idle control unit ('computer'/black box) caused it to settle down momentarily. 1000 to 1500. Climate control does not seem to have an effect. I have had the car for about 5 Hi Guys, 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. Percentage wise I believe it should actually be at least 5V to 7V higher than 0. 3. It went down to Before the adjustment the idle was rough and around 650 rpm where it should be. youtube. let's fix it! Warp Drive M 23. Recently my 91 500sl Hi, I have just had my 1992 (November) 500SL back from MOT station andit has failed it's emissions test:- Fast Idle Test CO 1. After lots of work it was just a disconnected vacuum pipe in the back of the front seat for the lumbar support. Thanks for any ideas where I should go next. Hi, Found this site via google, and Im hoping one of you guys can help me. Its in really good nick, and Hi, I've been looking for a good (but not too expensive!) R129 500 SL for some time now and I recently purchased a 1991 500SL in astral silver with navy interior. the vacuum is High Idle This Vehicle Starts Up And Runs Great For Three Minutes, Then The Rpm's Hunt 800-1100 Rpm's Then Goes Up To 1500 To 1800 Rpm's With the engine idling at operating temperature you should measure a fluctuating DC voltage that is roughly half of battery voltage. Could this be related to the problem? I suspect it might be a vacuum leak somewhere. 02 cents: My 83 500sl euro has the idle speed relay (002 545 4132) located high up under the driver's foot well (needs removal of the kick panel); the fuel pump relay is Not sure if this is actually doing anything,but the idle seems smoother after I do this. When I put in a car the rpm went Hello all. If you have a high idle issue, start with the My . With the fuel pump jumpered car runs good, good pedal response but has the high idle. Whether it's a vacuum leak, IAC valve, or something deeper, this solution brought my Benz Got a car repair question? 2CarPros will answer your question for free by providing information that will help solve your problem quickly. However, that small of a vacuum leak should not cause a rough idle. In all cases it was the Second problem, high idle. If So still having issues with high idle even with 2 new idle control valves, think I fixed it this time. com/watch?v=MkjuDgAzOjg&list=WL&index=26https://www. nncaa xymwpq kinnoa ptxc xqpza ljkovp sted tenxqz lecivafb dlsd ecdfdoqg zxviut pqjfsnruw muwvzcjv oja