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#1
11-26-2003, 06:27 PM
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Adjusting injection pump on 85 300SD????
Old 300SD is running a little rough. Does anybody know does
that little bolt adjustment screw in toward the pump???? Or does it screw out, towards the dash. I tried screwing it out and it seemed to smoth the idle. Car only has 182,000miles on it and now seems to smoke a little. Should the adjustment help???? Or is there something else???? Thanks in advance.... 
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#2
11-26-2003, 07:06 PM
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Hold on ...
Have you installed new fuel filters?? Also try Red Line Diesel Fuel additive, sold on this web site..
__________________
2000 Ford 7.3 Powerstroke 4x4 2006 Mazda Tribute 1983 Black 300 D (donated to charity) 1993 Teal 300 D (160K) Sold "I love the smell of burnt diesel fuel in the morning, it smells like ....VICTORY" Semper Fidelis USMC 1973-1976
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#3
11-27-2003, 02:08 AM
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Nikodem60,
Some think that replacing the fuel filters is a panasea for many auto ills, but it isn't. If you can get enough fuel thru the fuel filters for full power operation, replacing them will gain you nothing. P E H
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#4
11-27-2003, 02:43 AM
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My 300SD has fairly new injectors. Does anybody know how to adjust the injection pump adjustment???? Does it screw in or out???? I have tried SEA FOAM as a injector cleaner, it seems to work the best for diesel cars.
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#5
12-01-2003, 10:05 PM
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Found a vacum line that had come loose, but still running
rough. I thought maybe it was the injection pump adjustment. A friend years ago told me how to adjust it, but can't remember what he showed me now. I guess nobody has made this adjustment...
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#6
12-01-2003, 11:22 PM
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Um, no, you're not getting replies because this is a question that has been covered ad nauseum in the past. Use the "search" feature of the forum. Hint: Your engine mounts may be the problem, not the IP. Also, unless your "new" injectors were pressure matched by a diesel shop, that may be part of the cause of a rough idle - you can't just buy 5 new nozzles and screw them in, they're often off by more than 5 bar (you want 3 bar or less between them all). There is no simple adjustment like you're looking for - but I think you're referring to the rack damper, which again, you'll want to use the search feature for.
 Good luck,
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