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Old 01-13-2005, 11:36 PM   #1 (permalink)
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surging idle

just had major service and had all fluids and filters changed and had the valves done. over the past year it was over 4k in service work from exhaust to windshield. now with the 5th battery in a year, the draw has yet to be found. engine surges, erratic idle, car had to be jump started the other day. gets plugged in every night. car cannot handle defrost and all lights and fogs on with out drain. had new brushes done, new ignition switch and new ac controls. mechanic felt draw was coming from those sources. Had new glow plugs and new injector. now i have the surge and diesel forms around one of the injsctors wher the cloth hose is. advice? this hell needs to stop. been the most troublesome car ever. will injector problem get rectified with new hose? also, had ball joints done and new idler arm and steering shock done...still huge free play in the wheel. I am sooo ready to unload this thing and get a 124.
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Old 01-13-2005, 11:48 PM   #2 (permalink)
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Vehicle: 83 300D, 90 300TE
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RE: surging idle

Wow that's a LOT of work. Last I heard from you, you mentioned doing a partial restoration with new items all over the car!

Have you checked the grounding with regards to the battery drain? How about the wiring harnesses? Some lines could be corroded and might be the culprit. So far I haven't had any of those so I don't fully know how to go about this.

What is the condition of both the starter and the alternator? Those are what I would first suspect for a battery drain since they are the closest devices to the battery aside from the grounding cables.
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Old 01-14-2005, 12:21 AM   #3 (permalink)
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RE: surging idle

new fuses and they cleaned the fuse box, they also checked the ground to the body. they state the alternator and starter are fine and so is the neutral safety switch. the car is for sale as i do not have the patience for it. if its not one issue its another. over 10,000 in this car over 2.5 years and now i am lucky to get 2 or 3 for it. it has just proven to be so unreliable.....and now this nailing issues. it scares me that maybe the engines going...or its an injector issue..or an injection pump issue.
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Old 01-14-2005, 12:24 AM   #4 (permalink)
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RE: surging idle

276K, third owner, new headlight doors, new amber fogs, new projector beam headlamps with Sylvania Silverstar bulbs, new ball joints, steering box maintenance, idler arm, steering shock, windshield, muffler and complete exhaust, 50 watt revers lights, 50 watt brake lights, new license plate bulbs and holders, ac switched to r134a, new climate controls, new blaupunkt 10 speaker cd system (180 watts), rockford fosgate coaxial dash speakers, 6.5 rear deck coaxials, c pillar flush mounted tweeters, sunroof lubed, new manual antenna, car detailed, recent valve adj, new air filter, new fuel filters, transmission service done, led lights in foot well (green), led lights in dash vents (green), new zebrano shifter, wheels refinished, 4 new tires (90) percent and new full size spare, books and records, 2nd owner went to the same mercedes mechanic for 13 years, same one i go to now, car was one of 72 featured in MERCEDES "LOVE" CAMPAIGN, was asking 5,000, now down to 3,995. looking to get a 92 or newer E class...also had front calipers and rotors done. front pads have about 5k on them and rears are new.
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Old 01-14-2005, 12:43 AM   #5 (permalink)
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RE: surging idle

We recently had one member almost sell his car because of something he couldn't figure out...until the last minute! Now he called off the sale and enjoys it once again...

I would suggest you take it easy for now and perhaps park it until something comes up maybe by then you have thought about it already. I'd hate for this car to go knowing all that has been done to it. But it's your call.
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Old 01-14-2005, 08:19 AM   #6 (permalink)
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RE: surging idle

I know what your saying but the car sat at the indie, who is a great indie and its leaving him baffeled. the receiver drier and monovalve were replaced and it seems as tho i will need a new compressor in the spring. then it needs 1000 dollars of body work to take care of a few spots to make the exterior perfect. visually, it shows very very well. I even had new tires, 225-50-16, and new 16 inch wheels with the chrome and lapis center caps to go on it but I doubt I will have them mounted. every morning I never know if its going to start. in a month and a half its only stranded me once, versus a year ago it was a weekly event. with all the money i unloaded into it makes it a great deal for someone that knows these better than i do. obviously i cannot afford THAT huge of a loss on this thing with what i have in it and what i may get for it. I do see the others out there and the amounts they are asking and mine is in ALOT better shape than 90 percent of the ones out there. But, where is this knocking coming from. last night it got to 50 degrees here and the knocking was not there. and why do i have NO power if i just start it up and get in? it has to warm up atleast 10 min to have ANY power on its initial take off.
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Old 01-14-2005, 09:19 AM   #7 (permalink)
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RE: surging idle

Quote:
floridabenzboi - 1/14/2005 7:19 AM

I know what your saying but the car sat at the indie, who is a great indie and its leaving him baffeled.
From what I hear, it seems that you defer to a professional mechanic for repairs. I'm not questioning "indie" but perhaps you could try a different mechanic with a fresh outlook into your challenge.[8D]

uh,what's an "indie"[?]
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Old 01-14-2005, 09:23 AM   #8 (permalink)
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RE: surging idle

you are the second guy here in a week wanting to sell his car because of some annoyance. in the case of the other member he wanted to sell the car and it turned out to be a stuck kickdown switch that was the only problem!
took $0 to fix it.

you say you have a great indie. did he pull every fuse in the fuse box until he found the drain on the electrical system?

slow take off did anyone adjust the ALDA?

surging idle did anyone check the rack damper pin?

don't give up on it yet...
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Old 01-14-2005, 10:13 AM   #9 (permalink)
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RE: surging idle

he tweaked the alda..hes been doing the 123s for 30 years and i trust him, and the car has been repaired there for 13 of those years and most of those mechanics have worked on it. It has loads of power after its warmed up 10 min or if the temp outside is above say 50 or 60. But its that battery drain thing. I know that its only a 55 amp alternator but thats crazy.
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Old 01-14-2005, 10:21 AM   #10 (permalink)
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RE: surging idle

the only way you're gonna find a drain is to start pulling fuses.
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