If its bad then the only solution is a replacement. The reed vibrates, modifying the fuel distributor lower chamber, adjusting your fuel mixture.
Thanks, Tom 256-656-1924 -----Original Message----- From: "E M" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <mercedes@okiebenz.com> Sent: 8/19/07 9:14 PM Subject: Re: [MBZ] high E300 gasser idle Hi Tom, How easy it is to take apart? I ask this without even having looked at it yet. Will I be required to buy any new bits to re-assemble it all? Thanks again, Ed 300E On 19/08/07, Tom Hargrave <[EMAIL PROTECTED]> wrote: > > Look at the small rectangular box that's attached to the side of the fuel > distributor. It contains a reed valve & the reed may be cracked. > > Thanks, > Tom Hargrave > www.kegkits.com > 256-656-1924 > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of E M > Sent: Sunday, August 19, 2007 5:55 PM > To: Mercedes Discussion List > Subject: Re: [MBZ] high E300 gasser idle > > I last check the 02 with a dwell meter off the test terminal on the inside > fender about a month ago. At that time, it was fine. I am "somewhat" > familiar with a CIS system, not an expert, but have kind of a working > knowledge of most of the systems. Not sure about the temp sensor though, > as > I don't think the CIS on my old 911SC has one, but I could be > wrong?? Where > would I look for and test the temp sensor on my car? It's a 1988 W124 > with > the 3litre gas engine. I don't think my car has the system whereby you > can > pull any codes, but again, I could be wrong. > > Thanks again for your help. If I can't figure it out, I can always take > it > out into a field and shoot it! hee hee > > Ed > 300E...the high idle isn't the problem, is all the slow traffic. lol :-) > > On 19/08/07, Hendrik <[EMAIL PROTECTED]> wrote: > > > > When is the last time you tested your O2 sensor, in a KE car the O2 > > sensor is the most important input when the car is at operating range. > > If it is telling the system that the exhaust is lean then the FI > > computer will try and dump more fuel into the motor. > > However if this is an intermittent problem I would be looking at temp > > sensor going wonky, which will tell the idle adjustment motor to up the > > amount of air going into the motor. > > Air leak? Doubtful as it would be a constant thing and a vacuum tube > > leaking (which can be intermittent) wouldn't cause this amount of high > > idle. Just to explain this a bit more, in order to have a high smooth > > idle of 1700-2000 you need both more air and fuel, just having one will > > make the car run like a dog. So if you have an air leak on the other > > side of the air flow sensor plate then you will not have more fuel going > > into the engine and as such will have a lean mixture (lots of air but > > not enough fuel). > > How familiar are you with the CIS/E system? What you really wanna do is > > to reproduce the problem on demand by making the motor think it is cold > > when in fact it is at operating temp. If by doing this it goes up to the > > high idle you mentioned, then you know which circuit is being naughty. > > Also the later KE (KE3(?)) systems have a primitive fault code readout > > which is easy to do with the right equipment. > > Hopefully others will stop talking about you know what and help you out > > with your real MB problem. > > BTW is it a E300 or 300E, they are two very different cars with very > > different FI systems. > > > > E M wrote: > > > Hi everyone, > > > > > > Was out yesterday and got caught in traffic. Drove from about an > hour, > > with > > > a lot of bumper to bumper traffic. When I came to a stop, as in end > of > > > trip, and put the car into Park, the idle climbed to between 1700-2000 > > rpm. > > > At stop in traffic, it would idle about 1000 rpm, but it felt like it > > wanted > > > to pull away, as in, required a little more pressure on the brakes to > > > prevent becoming too friendly with the car infront. I suspect some > kind > > of > > > an air leak, but not sure just where to look. Kind of feels like a > WUR > > > stick up and keeping the idel high, but once the car is allowed to > cool > > for > > > an hour or so, the idle seems to be fine again. Oh, the day about > about > > > 75-80F with little humidity. Car also starts fine and idles in a > normal > > > range. > > > > > > Any thoughts?? > > > Thanks in advance. > > > > > > Ed > > > 300E > > > > > > > _______________________________________ > > 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 > > > _______________________________________ > 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 > > > _______________________________________ > 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 > _______________________________________ 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 _______________________________________ 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
