Re: [MBZ] Gauges not working
EHA Electro- Hydraulic Actuator ; controls the mixture on the later KE series CIS systems. mak EHA? I'm not familiar with that acronym. Recently I replaced the lambda sensor. and got the Bosch generic version for the 126. but you loose out on the two white wire heater connections. Originally the plug has a white dot on one pin. these heater wire connected one way give a faster response on the diagnostic pins 2 and 3 for the duty cycle.Of course there could be variations on the USA versions compared to European models. Interesting! I would never have expected a heater to be polarity-sensitive. ___ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
Re: [MBZ] Gauges not working
Correct ,I believe right after the frequency valve models . its quite accurate and fast' all KE units depend on it . regards mak - Original Message - From: David Brodbeck [EMAIL PROTECTED] To: Mercedes Discussion List mercedes@okiebenz.com Sent: Monday, September 25, 2006 9:18 PM Subject: Re: [MBZ] Gauges not working M.Afzaal.Khan wrote: EHA Electro- Hydraulic Actuator ; controls the mixture on the later KE series CIS systems. Ah, okay. I have CIS-Lambda, which uses a frequency valve for that. The EHA must have come in with the CIS-E system. ___ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
Re: [MBZ] Gauges not working
M.Afzaal.Khan wrote: Quite Informative ,. On my 300se with the KE variation I would have assumed the EHA had gone bad and not the O2 sensor. EHA? I'm not familiar with that acronym. Recently I replaced the lambda sensor. and got the Bosch generic version for the 126. but you loose out on the two white wire heater connections. Originally the plug has a white dot on one pin. these heater wire connected one way give a faster response on the diagnostic pins 2 and 3 for the duty cycle.Of course there could be variations on the USA versions compared to European models. Interesting! I would never have expected a heater to be polarity-sensitive.
Re: [MBZ] Gauges not working
Quite Informative ,. On my 300se with the KE variation I would have assumed the EHA had gone bad and not the O2 sensor. Recently I replaced the lambda sensor. and got the Bosch generic version for the 126. but you loose out on the two white wire heater connections. Originally the plug has a white dot on one pin. these heater wire connected one way give a faster response on the diagnostic pins 2 and 3 for the duty cycle.Of course there could be variations on the USA versions compared to European models. mak It intermittently ran extremely rich. The idle would start surging like crazy, and it'd blow grey smoke. The spark plugs were sooty black. This is the old CIS-Lambda system. The Lambda part is scabbed on to the otherwise mechanical system and it has no real self-diagnostic capability. If the Lambda control unit detects an open circuit on the oxygen sensor it'll go open-loop, but otherwise it just does whatever it thinks the sensor is telling it. The short made it think the sensor was indicating an extremely lean condition. This would be an extremely easy way to melt a catalytic converter, BTW. ___ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
Re: [MBZ] Gauges not working
M.Afzaal.Khan wrote: Interesting; what were the symptoms of the intermittent lambda shorting ? mak It intermittently ran extremely rich. The idle would start surging like crazy, and it'd blow gray smoke. The spark plugs were sooty black. This is the old CIS-Lambda system. The Lambda part is scabbed on to the otherwise mechanical system and it has no real self-diagnostic capability. If the Lambda control unit detects an open circuit on the oxygen sensor it'll go open-loop, but otherwise it just does whatever it thinks the sensor is telling it. The short made it think the sensor was indicating an extremely lean condition. This would be an extremely easy way to melt a catalytic converter, BTW.
Re: [MBZ] Gauges not working
So the first thing I attacked was the mirror switch by the shifter. I hooked up my test light just as suggested and it lit. So not the mirror switch, also not the heated washer nozzles. About this time my wife got home. To show her the excitement I put a brand new just out of the package fuse in and... It didn't blow. I reconnected the heated washers, it still didn't blow. I reconnected the mirror switch, it still didn't blow. I spent some time cleaning up tools in the garage in case it was trying to wait me out. I did some troubleshooting on the rear windows that've never worked (power at the switch, must be in the doors I guess) it didn't blow... SO my conclusion is that I must have had an aged fuse which I replaced with another aged (and disreputable looking) fuse. While I was there I replaced all the fuses... -Curt - Talk is cheap. Use Yahoo! Messenger to make PC-to-Phone calls. Great rates starting at 1ยข/min. From [EMAIL PROTECTED] Wed Sep 20 01:05:50 2006 Received: from nz-out-0102.google.com ([64.233.162.198]) by server8.arterytc8.net with esmtp (Exim 4.52) id 1GPqX5-0005PB-Ri for mercedes@okiebenz.com; Wed, 20 Sep 2006 01:05:50 + Received: by nz-out-0102.google.com with SMTP id i11so27223nzi for mercedes@okiebenz.com; Tue, 19 Sep 2006 18:05:39 -0700 (PDT) Received: by 10.65.103.17 with SMTP id f17mr11449404qbm; Tue, 19 Sep 2006 18:05:38 -0700 (PDT) Received: from ?192.168.1.20? ( [24.108.12.250]) by mx.gmail.com with ESMTP id c5sm163602qbc.2006.09.19.18.05.38; Tue, 19 Sep 2006 18:05:38 -0700 (PDT) In-Reply-To: [EMAIL PROTECTED] References: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: [EMAIL PROTECTED] Content-Transfer-Encoding: 7bit From: John M McIntosh [EMAIL PROTECTED] Date: Tue, 19 Sep 2006 18:05:34 -0700 To: Mercedes Discussion List mercedes@okiebenz.com X-Mailer: Apple Mail (2.752.2) Sender: John M McIntosh [EMAIL PROTECTED] X-Antivirus-Scanner: Clean mail though you should still use an Antivirus Subject: Re: [MBZ] Becker Radio and IPOD? X-BeenThere: mercedes@okiebenz.com X-Mailman-Version: 2.1.7.cp2 Precedence: list Reply-To: [EMAIL PROTECTED], Mercedes Discussion List mercedes@okiebenz.com List-Id: Mercedes Discussion List mercedes_okiebenz.com.okiebenz.com List-Unsubscribe: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com, mailto:[EMAIL PROTECTED] List-Archive: /pipermail/mercedes_okiebenz.com List-Post: mailto:mercedes@okiebenz.com List-Help: mailto:[EMAIL PROTECTED] List-Subscribe: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com, mailto:[EMAIL PROTECTED] X-List-Received-Date: Wed, 20 Sep 2006 01:05:50 - You can check I've seen instructions for some becker radios to switch them from europe frequency scanning to North America scanning. Having a Euro becker in my euro 90's wagon (which is not settable) means scan does not work here in Canada On 19-Sep-06, at 5:17 PM, Ed Booher wrote: On 9/19/06, ANGELO GIAIMO [EMAIL PROTECTED] wrote: Talked to the folks at Becker.they say that radio was not designed to be used with cassette adapters. I should send them the radio (with $100, I think) and they would install a separate interface so I could plug the IPOD in directly. While you are talking to the Becker folks, ask them if the Becker Mexico Retro will ever come over the pond. Check out http://www.becker.de/beckerCC21/www_root/index.jsp?language=En Under Car Infotainment. Becker Mexico 7948. Includes support for iPod, as well as driving instructions and blue tooth support cool head unit. Classic look. I want one. German FM freqs are different than US for Radio tuning, yes? We go on odds (ie 97.1) and they go on evens (97.2) right? -- Knowledge is power... Power Corrupts. Study hard... Be Evil. ___ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com John 1983 300TDt 370k Kilometers (mobil 1 Delvac) 1990's 300TDt 176k Kilometers (mobil 1 Delvac) 1993 500SEL 182k Kilometers (mobil 1 Delvac)
Re: [MBZ] Gauges not working
Curt Raymond wrote: SO my conclusion is that I must have had an aged fuse Your wiring may vary, but my 116 kills all gauges when I activate the shorted out kickdown circuit. If I'd done a better prepurchase inspection, I would have noticed a 25amp fuse where an 8amp belonged. The kickdown can blow a 25amp, as I discovered before I got the car home. Good thing there was a pack of 25A fuses in the fuse box. Looking back on it, I can't believe I didn't think to take a handful of Saab fuses with me when I picked it up 2 million meters from home.
Re: [MBZ] Gauges not working
The kickdown can blow a 25amp, as I discovered before I got the A good one won't. -- Jim
Re: [MBZ] Gauges not working
Jim Cathey wrote: The kickdown can blow a 25amp, as I discovered before I got the A good one won't. A good one won't blow the 8A that the factory specified, but a shorted wire can blow any fuse, while being quite intermittent. (only when the bare spot on the wire hits ground, and only while the KD switch is depressed)
Re: [MBZ] Gauges not working
You knew this was coming... Jumped in the car this morning, gauges all worked fine. Didn't pay any attention for about 5 miles and no gauges... Dang. When I left the car last night there was no sign of that fuse burning, cool to the touch and all. Now I'm wondering, one thing I didn't explore was electromagnetic fan clutch because I wasn't sure if I had one, but it seems to make sense to me that once the engine came up to temp and engaged said fan it might blow the fuse... Anyway, more troubleshooting tonight. -Curt - Do you Yahoo!? Get on board. You're invited to try the new Yahoo! Mail. From [EMAIL PROTECTED] Wed Sep 20 13:50:10 2006 Received: from mxa.windwireless.net ([199.164.167.40]) by server8.arterytc8.net with esmtp (Exim 4.52) id 1GQ2Sn-ZF-TQ for mercedes@okiebenz.com; Wed, 20 Sep 2006 13:50:10 + Received: from dogear.com (jimc.progress.wi-fi.windwireless.net [206.63.94.197] (may be forged)) by mxa.windwireless.net (8.12.9/8.12.9) with ESMTP id k8KDoSSD003063 for mercedes@okiebenz.com; Wed, 20 Sep 2006 06:50:28 -0700 Date: Wed, 20 Sep 2006 06:50:02 -0700 Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v553) From: Jim Cathey [EMAIL PROTECTED] To: Mercedes Discussion List mercedes@okiebenz.com Content-Transfer-Encoding: 7bit In-Reply-To: [EMAIL PROTECTED] Message-Id: [EMAIL PROTECTED] X-Mailer: Apple Mail (2.553) X-Virus-Scan: smtp-vilter X-SMTP-Vilter-Version: 1.1.0rc2 X-SMTP-Vilter-Backend: Clam AntiVirus Daemon (clamd) X-SMTP-Vilter-Status: clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0rc4 (mxa.windwireless.net [199.164.167.40]); Wed, 20 Sep 2006 06:50:29 -0700 (PDT) X-Antivirus-Scanner: Clean mail though you should still use an Antivirus Subject: Re: [MBZ] Gauges not working X-BeenThere: mercedes@okiebenz.com X-Mailman-Version: 2.1.7.cp2 Precedence: list Reply-To: Mercedes Discussion List mercedes@okiebenz.com List-Id: Mercedes Discussion List mercedes_okiebenz.com.okiebenz.com List-Unsubscribe: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com, mailto:[EMAIL PROTECTED] List-Archive: /pipermail/mercedes_okiebenz.com List-Post: mailto:mercedes@okiebenz.com List-Help: mailto:[EMAIL PROTECTED] List-Subscribe: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com, mailto:[EMAIL PROTECTED] X-List-Received-Date: Wed, 20 Sep 2006 13:50:10 - Dang. When I left the car last night there was no sign of that fuse burning, cool to the touch and all. You can hook up a test light across the (good) fuse and place it where you can see it. Then when the light comes on you can perhaps correlate it to something you might have just done. These intermittents can be a royal pain. The chicken wagon does this when shifting through reverse sometimes. It needs a new neutral/reverse switch, I have chased it that far. That fuse takes out the tach and horns too. -- Jim
Re: [MBZ] Gauges not working
Curt Raymond wrote: You knew this was coming... Jumped in the car this morning, gauges all worked fine. Didn't pay any attention for about 5 miles and no gauges... Dang. When I left the car last night there was no sign of that fuse burning, cool to the touch and all. You have an intermittent short. Bummer. First thing I'd do is hook the test light up again and start wiggling the wiring harness. If you can make the light flicker, you're in the neighborhood. I just got done troubleshooting a running problem on my VW that turned out to be an intermittent short in the oxygen sensor harness. *That* really caused me some head-scratching.
Re: [MBZ] Gauges not working
Curt Raymond wrote: So at lunch I took a look at the gauges and indeed #10 is busted. Looks like it might actually have been a stress break. I had a spare but that blew instantly. When I say it blew I mean it, the fuse peeled way back off the ceramic. Now, the spare was truely questionable, it had been in the fuse box for who knows how long. At home I have (if I can find it) a kit Rusty had sent me, hopefully a good fuse will fix things otherwise I expect its time for a trip into the dash pod. If it blew that fast, you have a short somewhere. Fuses can crack and cause an open circuit because of old age, but they don't blow just because they're old. Clip a test light across the fuse contacts and start hunting for the short. When the light dims or goes out, you've found it.
