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#1
01-27-2011, 06:34 PM
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Longgg crankinggg 400E BUT THEN?
So my 92 400E cranks "I think" a long time before it starts hot or cold! Every time its Rer-Rer-Rer-Rer-Vroom, the other day it was -2 here and it would not start in the morning, cranked strong but would not turn over! So after 4 or 5 tries I gave up. But when I came home from work with a can of starting fluid to try it again. I said let me try it once before I spray it with the starting fluid! So I jump in crank it and I get an instant VROOOM fired up instantly. WTF 14 degrees sat all day and fired right up??? I'm confused, new Battery plugs,caps,rotors,coils,fuel pressure reg and fuel filter,and new engine harness! Why would it fire right up after not starting in the morning.
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#2
01-28-2011, 05:38 PM
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ONE (three)WORD!!!
Crankshaft position sensor
__________________
600SEL '91  300E 4Matic '88 240D '83  280SE '77  350SE '73  The most complex systems can fail in the simplest way. Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis. i don't believe in the lord! He's never bought me a Mercedes Benz.
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#3
01-28-2011, 08:26 PM
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As a retired Latin professor,
I like that signature line.
Ait Obius Caenobius: "Numen tibi adsit" (NOT "Vis sit tecum" if you have pretenses of being classical.) Dixit Arrius Ille Sordidus: "Perge, ut dies mihi perficiatur." (This one is good for getting the kids to remember how Latin style prefers the passive voice and subordinate clauses rather than coordinates.)
__________________
Numen tibi adsit!
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#4
01-28-2011, 09:07 PM
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Quote:
my car is a 300ce 103 engine.... no spark.
__________________
1989 300ce 129k ( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone) 1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus 1994 e320 Cabriolet 108k  1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it [/SIGPIC]
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#5
01-28-2011, 09:15 PM
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How hard is it to replace and where is it located (CPS)? Why would this cause all of the long cranks and hard starts and then start right up? I'm very curious although my car starts up fine now after replacing EHA valve.
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#6
01-28-2011, 10:11 PM
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Quote:
__________________
600SEL '91 300E 4Matic '88 240D '83 280SE '77 350SE '73 The most complex systems can fail in the simplest way. Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis. i don't believe in the lord! He's never bought me a Mercedes Benz.
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#7
01-29-2011, 12:58 PM
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It could be that the oil pressure relief didn't open allowing the excessive pressure to pump up the lifters enough to hold the valves open. That has been known to happen to 119 engines in very cold weather. The resulting loss of compression would explain the strong sound of the starter in weather that would have any engine laboring to turn over.
__________________
 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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#8
05-19-2011, 07:41 PM
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Replace my starter today cuz it started to griiiiind, still looooong cranking! Is there a way to test the Crank PS????
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