To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews ------------------------------------------------------------------------ There are 4 messages in this issue. Topics in this digest: 1. running rich?? From: "honda250r1989" <sky250r@xxxxxxx> 2. Re: Fuel Pump Access Cover From: Martin Gutkowski <webmaster@xxxxxxxxxxxxxx> 3. Re: running rich?? From: Martin Gutkowski <webmaster@xxxxxxxxxxxxxx> 4. Re: running rich?? From: dherv10@xxxxxxx ________________________________________________________________________ ________________________________________________________________________ Message: 1 Date: Sun, 06 Apr 2003 23:42:52 -0000 From: "honda250r1989" <sky250r@xxxxxxx> Subject: running rich?? I have an 83' dmc w/ 19k miles. I tried to start it this spring and it would not fire. After replacing the coil and cleaning some connections, it fired up. But now it runs like the fuel line goes strait to the intake,extremly rich with large amount of white/ brownish smoke rolling out the exhaust, with a clear and black gas smelling liquid leaking out the exhaust. I got it to start a few times like this and it runs smooth at above 3000 rpm or so, but the lower the rpm the worse it runs, needless to say it won't come near an idle. I'm gussing this problem has some thing to do with the fuel pres. reg. but I am hoping to hear from some one that knows more about deloreans than I do. Thank Ryan ________________________________________________________________________ ________________________________________________________________________ Message: 2 Date: Mon, 07 Apr 2003 01:16:26 +0100 From: Martin Gutkowski <webmaster@xxxxxxxxxxxxxx> Subject: Re: Fuel Pump Access Cover A ring of rivnuts into which you screw M6 screws. The ring of holes around the cover should give it away, I'd have thought. You should also seal the cover with black silicone. Martin (been fuel tank diving in two D's over the weekend) #1458 #4426 id wrote: >My fuel pump access cover has been taken off to install a Tankzilla before i bought the >car. My question is what holds the fuel pump access cover back on? > >Mark >6683 > > > > ________________________________________________________________________ ________________________________________________________________________ Message: 3 Date: Mon, 07 Apr 2003 01:21:12 +0100 From: Martin Gutkowski <webmaster@xxxxxxxxxxxxxx> Subject: Re: running rich?? Your metering head plunger may have got stuck. Usually only happenns with cars that have sat for ages, but definitely worth checking. With the air box removed (engine off) you should be able to push the flap down and feel the weight of the plunger on it (it works like a see-saw). It goes up as fast as the flap is pushed down but does not drop back down as fast. There will be quite a lot of resistance if the car has recently been fired up. Otherwise my next guess would be the CPR as you suggest, however they usually run over-lean when they fail making starting bad but getting better as the car warms up. Martin #1458 #4426 honda250r1989 wrote: >I have an 83' dmc w/ 19k miles. >I tried to start it this spring and it would not fire. >After replacing the coil and cleaning some connections, it fired up. >But now it runs like the fuel line goes strait to the intake,extremly >rich with large amount of white/ brownish smoke rolling out the >exhaust, with a clear and black gas smelling liquid leaking out the >exhaust. >I got it to start a few times like this and it runs smooth at above >3000 rpm or so, but the lower the rpm the worse it runs, needless to >say it won't come near an idle. >I'm gussing this problem has some thing to do with the fuel pres. >reg. but I am hoping to hear from some one that knows more about >deloreans than I do. >Thank Ryan > > > ________________________________________________________________________ ________________________________________________________________________ Message: 4 Date: Sun, 6 Apr 2003 20:37:56 EDT From: dherv10@xxxxxxx Subject: Re: running rich?? Ryan, How did it run before you put it for the winter. Test the connections to the warm up regulator. If it isn't functioning properly the control plunger will rise allowing to much fuel to go to the injectors. If it was running ok last year, then the 02 adjustment is most likely ok. John Hervey www.specialTauto.com << I have an 83' dmc w/ 19k miles. I tried to start it this spring and it would not fire. After replacing the coil and cleaning some connections, it fired up. But now it runs like the fuel line goes strait to the intake,extremly rich with large amount of white/ brownish smoke rolling out the exhaust, with a clear and black gas smelling liquid leaking out the exhaust. I got it to start a few times like this and it runs smooth at above 3000 rpm or so, but the lower the rpm the worse it runs, needless to say it won't come near an idle. I'm gussing this problem has some thing to do with the fuel pres. reg. but I am hoping to hear from some one that knows more about deloreans than I do. Thank Ryan >> ________________________________________________________________________ ________________________________________________________________________ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
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