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View Full Version : simple diagnostic for 87 190D won't start





Wayne
01-24-2007, 02:19 AM
I am new to the MB. It will crank but...... Where do you start fuel, fuel filter, fuel pump? Where do you check them, where are they? It's a $500 car if I get it to run.

c.d.iesel
02-17-2007, 08:54 AM
does it CRANK over ?

no Cranking ??

does it crank over but the motor wont fire and run?

battery

battery cables

pre-glow system:
pre-glow relay link-fuse blown (look inside the relay cover)
pre-glow plugs getting voltage when key in run position (must measure voltage in first 20-30 seconds)
Glow plugs good - or carboned up and not heating the air inside their bores?

fuel system - fuel filters CLEAN
condition of fuel - how old it is?, water present?
fuel strainer in bottom of tank clogged?
big mouse nest inside the air filter housing choking off air to the motor?

timing chain broken ??

got compression?

when did it last run?

what's the owner say?


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