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#1
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Power loss 3000-3100rpm 1982 300d
Any thoughts on what might cause a sudden power loss at 300-3100rpm?
The Alda screw has been adjusted by previous owner. Possibly the throttle and transmission cable and rods as well. The car is very peppy and fuel thirsty but nose dives after 3000. If I accelerate from a stop the engine 'bounces' like hitting a rev limiter making the car actually jerk and not shift well. It is not a always noticeable at hwy speeds but when it is the car will very slowly rev past or it may lose power and the car starts to slow down and it generally lacks power and rpm when it doesn't stumble at 3100 The pre and spin on filters are new and all the air is out of the system One other weird thing- when starting. If it doesn't catch after the first glow. It prefers to turn over faster without another glowing and actually seems to be resisting after the second or more glows.... Any advice or thoughts? Cheers |
#2
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Have you checked the fuel tank filter that is in the tank? My 81 300SD was running fine until a hill and needed more fuel. The in tank filter was gunked up.
Scot |
#3
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The strainer has been cleaned out -yes.
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#4
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#5
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What should I look for at the Alda banjo bolt? The intake side has been cleaned out
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#6
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"What should I look for at the Alda banjo bolt? The intake side has been cleaned out"
Are you saying the banjo bolt on the intake has been cleaned out? How's the air filter? When was the last time the valves were adjusted? |
#7
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Hmm the car should not be stalling at that RPM... I'd pull the primary filter again, and look for any obstructions. also... the fuel tank vent could be clogged.
does the car accelerate well up to 3K? are you sure you are getting all 4 gears? as for the alda banjo, there is one on the intake, and the overboost valve also needs to be clean. you may need to tee in a pressure boost gauge to see if the turbo is making air at that RPM...
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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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