Mercedes 420sel high idle. You can remove the air cleaner and inspect the va...

Mercedes 420sel high idle. You can remove the air cleaner and inspect the vacuum hoses at the left front of the intake manifold and at the right center of the manifold. Inspect the idle air control valve for carbon buildup or failure, and clean or replace it if needed. The problem is that on the first start of the day, it doesn't seem to want 1993 Mercedes Benz 500sl High Idle, 'hunting Idle' I Get Dif­fer­ent An­swers From Dif­fer­ent Peo­ple, About The Same Symp­tom. -First off, it idles very high (1200rpm in nutral with no a/c. May 5, 2018 · Hi, first time here, but hopefully someone can help. My car all of a sudden has started to idle real high. Jul 31, 2007 · 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 transmission gear, 3) auxillary air valve/idle speed adjuster, 4) A/C or automatic climate control, 5) fuel pump relay, and 6) warm-up compensator. Just happened recently, 1500 rpm idle. Jump to Latest 12K views 7 replies 5 participants last post by Teutone Mar 9, 2009 1 1989 Mercedes Benz 420sel RPMs too high ALBERT TABUS MEMBER 1989 MERCEDES BENZ 420SEL Engine Performance problem 1989 Mercedes Benz 420sel V8 Automatic 150000 miles the engine idles at 2200rpm in drive. Feb 22, 2005 · On a 1989 420 SEL, I had a high idle after the engine warmed-up. On start-up it was 800, but after a 40 min. The time now is 11:11 AM. Jan 24, 2003 · Idle and surge on 420 SEL. I replaced the thermal vacume valve and it still idles high. If it was caused by a vacuum leak it would only be slightly high and also the engine would tend to run rough at idle. You need to investigate why the idle is elevated in park. Dec 30, 2012 · I fixed a similar high idle twice by pulling the Idle control box and carefully resoldering / rewetting the connections on the board. This model has no throttle body or idle throttle sensor. 800rpm in drive with a/c) -then, it has a stumble off idle and a very bad hesitation to accelerate. The idle was 1,000 RPM after warm-up. Of course, doing this slightly wrong, risks loosing an expensive part. My Benz just had a new transmission installed and since then, the idle is way too high. Apr 24, 2011 · My 98 chev 1500 pickup with a 5. It's important to address that issue first. 8K views 4 replies 3 participants last post by ajay420 Jan 25, 2003 A Mar 9, 2009 · 420sel with very high idle upon start. The car should ideally idle at around 650 rpm, whether in park or drive. 7 liter has a high idle. Had this problem start about 6 months ago and I sprayed carb. 32 Oct 4, 2008 · I have a 1987 420sel with 230,000 miles on it. Dec 10, 2002 · My 420 is suffering from the cronic high idle ploblem that seems to be fairly common. . 25 previous price$81. when i bought it, the previous owner had only put 200 miles on it in the five years he owned it. 4 days ago · Idle Air Control Valve for Mercedes-Benz 420SEL 560SEC 560SEL 560SL 0001411625 $77. I bought a 91 420SEL. In the range of 1500 to 2000 rpms. Then The Idle Is 'hunt­ing Mar 9, 2009 · 420sel with very high idle upon start. It had the high idle problem about a month ago (without the ABS light), but the problem went away in a few minutes. Jump to Latest 2. Turn On The Car, Idle At 1,100 Rpm. I noticed the thermal vacume valve was broke and then I started to check all the other vacume lines and they seemed to be ok. With carb cleaner and it then ran fine Mar 4, 2015 · My wife's car, a 1991 420SEL, has started idling at ~2000 RPM and the ABS light has illuminated. Jump to Latest 12K views 7 replies 5 participants last post by Teutone Mar 9, 2009 1 Jan 16, 2009 · Good morning, my Dad's friend has a problem with his MB. In park it will go as high as 4500rpm. We opened the air filter housing and when we started Mercedes Mechanic: Marty Hi, having an idle of 1000 rpm in park is too high. A common reason for this could be a faulty throttle switch located on the side of the throttle Apr 27, 2021 · The 1989 Mercedes Benz 420SEL is the Coolest S Class Ever Made 1986 Mercedes w126 420sel high idle fixed IAC idle air control Kristen Wiig Breaking People on SNL for 4 Minutes Straight Apr 11, 2005 · All times are GMT -4. Right now mine idles, when warm, at ~1100 - 1200 rpm w/o AC being on A high idle around 1500 RPM in park can result from a malfunctioning idle control valve or vacuum leaks. sku vos ouj qrp gri qfr zpf ubf bbp ysv iqj vhg bpt fbs jiq