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#1
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1983 300D Loss of Power at speed
I was driving my 300D into work today, and noticed that when I was going about 67 mph and started uphill, I was losing power significantly. I lost speed all the way down to 60 mph (not a big hill), and noticed it was smoking like it does when I accelerate hard in the mornings.
No abnormal sounds from the car, oil pressure is good (per the gauge). It is due for a fuel filter change, but if it was starving for fuel would it still smoke like that? Thanks, Joe
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1983 300D - 314,640 miles (not all by me) - Daily Driver --Sold-- 1983 300d - 215,000 miles (approximately) |
#2
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sounds like fuel filters to me.
what color is the smoke? it could be air filter too. and air filter can cause black smoke.
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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! |
#3
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It was still fairly dark outside, but it looked like the standard greyish smoke I always get in the mornings driving to work.
I've got some Startron at home, and new filters. I'll put them on and see where it goes from there first.
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1983 300D - 314,640 miles (not all by me) - Daily Driver --Sold-- 1983 300d - 215,000 miles (approximately) |
#4
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Your problem sounds a lot like what I'm dealing with right now. I'm not sure if it smokes. It will suddenly slow to 60 mph; and pressing the pedal to the floor doesn't make any difference. I replaced the fuel filter but it didn't help. Have you figured anything out?
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#5
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Quote:
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#6
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Check the banjo bolt on the back of the intake manifold is clear of gunk, then tighten it back down.
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#7
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How is the air filter? Lack of fuel will generally not generate more exhaust smoke, but lack of air will.
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#8
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I once had that happen due to a failed ALDA, and I have had it happen due to clogged fuel filters. However, I'm surprised it was smoking if it was under-fueled.
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#9
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the OP hasn`t been back since 9-17-10 as per post #3, his last activity on the forum. Guy should have come back and finilized what the out come was.
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 |
#10
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Try changing both fuel filters and the air filter. Also clean the banjo bolt fitting as previously mentioned. If that fails, you might want to try adjusting the valves.
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2012 Mercedes ML350 Bluetec 91K (hers) 2005 Corvette 55K (fun car) 2002 VW Jetta TDI 231K (mine) 1998 Volvo S70 T5 Turbo 196K (kids) 1994 Ford F150 4WD 249K (firewood hauler) 1983 Mercedes 300D 376K (diesel commuter) |
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