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#1
09-26-2007, 04:41 PM
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m119 timing with strobe light
Hi guys,
Does anybody know where strobe light mark has to be on the harmonic damper? I know that timing is electronic. Electronics work as you can see that light moves once in a while for brief on harmonic balancer. My mechanic says light has to be on 0 degree and mine stays at 15 or something. Engine seems to run OK. Readings were taken on idle. I feel that engine doesnt have enough power for 5.0. And car is VERY sluggish when it gets hotter. 90-100 degrees. I think it is timing related since timing is adjusted according to engine temp. I changes temp sensor but have same problem. Please help Thank you
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1999 ML430 Silver 135k ml Smoked LED taillights, Alpine in-dash DVD player, 12" sub, Pioneer components, 2 amps, 4200k HIDs, ML55 headlights, 20" rims, mirror LED blinkers SOLD. 1996 E320 145k ml. Burgundy SOLD but miss it everyday  1992 500sel BlackChime buzzer mod,Alpine CD/MP3 player with stock amp,Euro headlights,S600 grill,20" rims, BEST CAR EVER! SOLD. 1990 300E White 187k ml,smoked tails,Euro headlights,17rims,Intake,12" sub in first aid kit,alarm/autostart,buzzer mod 
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#2
09-26-2007, 04:42 PM
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forgot to say the car is 1992 500sel 5.0 m119 172k
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1999 ML430 Silver 135k ml Smoked LED taillights, Alpine in-dash DVD player, 12" sub, Pioneer components, 2 amps, 4200k HIDs, ML55 headlights, 20" rims, mirror LED blinkers SOLD. 1996 E320 145k ml. Burgundy SOLD but miss it everyday 1992 500sel BlackChime buzzer mod,Alpine CD/MP3 player with stock amp,Euro headlights,S600 grill,20" rims, BEST CAR EVER! SOLD. 1990 300E White 187k ml,smoked tails,Euro headlights,17rims,Intake,12" sub in first aid kit,alarm/autostart,buzzer mod
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#3
09-26-2007, 04:47 PM
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Should be around 12 deg BTDC at idle & jump to 25-30 as the RPM goes up.
IF you use fuel with less than 91 octane the knock sensors will retard that timing & you will see those readings DROP instead of going UP.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
09-26-2007, 05:11 PM
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Thanks MB Doc
__________________
1999 ML430 Silver 135k ml Smoked LED taillights, Alpine in-dash DVD player, 12" sub, Pioneer components, 2 amps, 4200k HIDs, ML55 headlights, 20" rims, mirror LED blinkers SOLD. 1996 E320 145k ml. Burgundy SOLD but miss it everyday 1992 500sel BlackChime buzzer mod,Alpine CD/MP3 player with stock amp,Euro headlights,S600 grill,20" rims, BEST CAR EVER! SOLD. 1990 300E White 187k ml,smoked tails,Euro headlights,17rims,Intake,12" sub in first aid kit,alarm/autostart,buzzer mod
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