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#1
04-16-2015, 06:20 PM
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trouble shooting 91 190E
this is a continuation of a no start situation, I felt like I needed to put both situations together(as they popped up at the same time).
First we lost fuel and spark to the plugs. I began looking at fuel after hooking up my fuel gauges I found fuel pressure far to low, so i began testing fuel pumps after finding one very week I ordered two new pumps, that cured the low fuel pressure. I also replaced the fuel filter, We now have 5.4 and 5.0, so the EHA is set correctly now we have a situation with fuel to the injectors deflecting the plate you must go half way down before i get a spray from the nozzle. Next is the loos of spark we only get one flash from the plugs when turning the engine over, I replaced the disy cap with one I had and the coil too, I found a small amount of corrosion on the coil wire, after that the spark got much brighter but still only one flash. ANY SUGGESTIONS? 
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#2
04-16-2015, 09:12 PM
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Did you also adjust the fuel distributor ?
__________________
1985 300D 198K sold 1982 300D 202K 1989 300E 125K 1992 940T "If you dont have time to do it safely, you dont have time to do it" "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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#3
04-17-2015, 01:42 AM
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yes I did and got no change at idle or start up level not until the flapper gets well down the chamber, as I said in my post.
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#4
04-17-2015, 02:41 AM
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As I just posted in one of your other threads... a 5mm deflection of your 'flapper' should take you from 0 to 60 quickly.
Something is amiss right there.
__________________
1985 300D 198K sold 1982 300D 202K 1989 300E 125K 1992 940T "If you dont have time to do it safely, you dont have time to do it" "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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#5
04-17-2015, 04:39 PM
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Yes sir, I thank you for your input. I am at the point of taking the entire unit off so I can inspect the arm and see if the through is off its privet.
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#6
04-17-2015, 08:38 PM
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what is this? looks like a resister, I get no voltage Either side key on or off make no difference I do not know why unless it is getting a voltage from the position indicator
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#7
04-18-2015, 02:29 AM
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That's the aux fan resistor
__________________
 1990 190E 3.0L
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#8
04-18-2015, 01:17 PM
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that explains why no power to it. thanks, I looked all threw my papers and could not find it.
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#9
04-19-2015, 06:15 PM
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Many times a video will help.
Id go to bout the 5 minute mark... https://www.youtube.com/watch?v=V3BLDOirXDM
__________________
1985 300D 198K sold 1982 300D 202K 1989 300E 125K 1992 940T "If you dont have time to do it safely, you dont have time to do it" "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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