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Underpowered 300SD
1980 300SD - Had biofuel problems. Car had hard starting, wouldn't idle on it's own, no power. Did Diesel Purge. No improvement. So I've...
1. Put in rebuilt injectors...all five. 2. Put in a rebuilt injector pump. 3. Put in all new fuel lines all the way back to the tank. 4. Removed tank, had it cleaned at the radiator shop, and reinstalled. The car now starts up the first time. Idles perfectly smooth. But not much response when I mash the accelerator down. It crawls, and I mean crawls, for a while, especially uphill. After maybe 10 to 15 seconds, the transmission appears to engage properly, and the car then takes off and runs generally like it supposed to. Any ideas about what to do about my no-power-at-the-start-and-going-uphill problems? Thanks,
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Ray 1980 300SD (Anthrcite Gray) 253,108 miles 1982 300SD (Silver Blue) 242,398 miles 1982 300SD (Black) 263,185 miles |
#2
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fuel filters? what about lift pump...good? cheers .
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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded next wish/project: w114 coupe OM603 powered Last edited by cho; 02-26-2013 at 12:09 PM. Reason: filters :) |
#3
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All good...
New fuel filters (both) with new pump and injectors. Lift pump good and newly reconditioned with rebuilt injector pump.
Thanks,
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Ray 1980 300SD (Anthrcite Gray) 253,108 miles 1982 300SD (Silver Blue) 242,398 miles 1982 300SD (Black) 263,185 miles |
#4
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Search B2 piston
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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1980, so you have the first year for the EGR in the 617 engine. Did you clean/check the Banjo Bolt at the rear of the intake Manifold? these tend to get gunked up with soot/oil goop, and plug up the boost line running over to the Switch Over valve, and then connects to the ALDA.
There is a metal seal washer on both side of the bolt, be careful not to loose them. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
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Is the low power only off the line or is it problematic at normal drving speeds as well?
Transmission or Engine? |
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Are the engine rpm's going up and the car not moving or are the engine rpm's not going up?
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#8
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I would check the switch over valve also like charmalu said, i had the exact same symptoms and i cleaned out the banjo bolt and hoses, and the switchover valve was stuck and i was able to agitate it a little and free it up. Ran like a new car after that. Also, valve adjustment is something to check.
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#9
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I shall second "valve adjustment".
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1982 300sd from craigslist $800 greased on one tank with NO CONVERSION in the Hot Texas Sun. (currently dead & awaiting engine damage investigation and/or longblock swap) new daily: '03 vw 5speed jetta tdi wagon. bagged&chipped |
#10
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Quote:
Could be one of several things... or a combination.
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Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22 |
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Possibly sloppy or worn out linkage.
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83 SD 84 CD |
#12
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PO has not responded, so I sent him a PM with a link to his thread... see if he's fixed it yet.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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