Have you considered injection pump timing? I just solved a similar problem on a OM617a (although it wasn't as bad as what you describe) by resetting the timing.
And since you said everything else has been looked at, I assume the injectors are tested and good? Jaime On Sun, Oct 18, 2009 at 7:20 PM, Kaleb C. Striplin <ka...@striplin.net>wrote: > OK, so I got this POS 87 300D in yesterday. Actually, its not a POS, its a > pretty nice car. Anyway, this is the car I had a ways back, when I got it, > running at idle it would fog up the neighborhood and could just sit there > and miss the whole time. It gradually started getting better while I had it > and ended up trading it off. It them ended up with OK Don, and now I have > it back. While OK Don had it, he had the #14 head off and had it rebuilt. > IIRC, when Don was doing this, seems like he said the compression was OK > but I dont remember. He also said he did not note anything obvious in the > bores of the bottom end with the head off. So, head back on. It seems to > be much better but today I messed with it a little. When you first start it > cold, it seems like #1 is not firing at all at idle. When you get it off > idle, it smooths out. There is a little smoke associated with this. If you > let it sit there and idle for a while it will gradually start hitting on #1. > If you take it out and blow it out, you get crap blown out the back for a > minute or 2, then once its fully warmed up, it will sit there and idle > smooth as can be for as long as you want. Like I said, remembering when he > was posting about this, it seemed like everything was OK and could never > find a reason. I am wondering if it might be something in the IP? That is > about the only thing that has not been looked at as far as I know. What I > do know, this thing has tons of power, so I dont suspect anything major but > who knows. > -- > Kaleb C. Striplin/Claremore, OK > 95 E300, 92 500SEL, 92 300SD, 92 300E 4Matic, 91 350SDL, 91 300D, 89 > 560SEL, 87 300SDL x2, 85 380SE 5.0 Euro, 85 190D, 84 190D, 84 300D euro > manny, 76 240D, 76 300D, http://www.okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
