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#1
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1990 turbo diesel cold start issue
1990 turbo diesel is giving me a cold start issue.. I checked all the glow plugs
with my ammeter and i get a reading on each.. my glow plug light cycles correctly it does NOT light up after i start the car... switched my glow plug relay from my 1992 turbo with same results as follows.. car runs rough for first 15 to 20 seconds almost like i do have a bad glow plug.. she belches a ton of blue smoke for 10 or so seconds then all of a sudden she runs fine as if all cylinders are running.. at first i thought i had a bad glow plug but i get a readng on each of the 5 plugs.. note.. when the engine is warm she starts fine also when i do plug in the block heater i do get a few seconds of rough idle and smoke maybe 3-4 seconds then all is fine.. i ran a can of lubro moly diesel purge straight thru the injectors with the glass jar and the by pass line etc.. replaced both spin on and inline filters as well the car runs perfect after 15 no more than 20 seconds... then smoke stops as if nothing has happened... its driving me crazy... could it be carbon build up on the glow plugs ? or something more serious..?>? igition pump seems to be in time car has 220 k and i currently have rotella t 5-50 synthetic in the crank case.. any ideas??
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1994 S-350 6cyl Turbo Diesel 158k 1998 300d 6 cyl Turbo Diesel 143K 1993 2.5 124 Turbo-Diesel 236 1990 2.5 124 Turbo-Diesel 228k 1983 SL-500 EURO W/HEATED SEATS 40K SOLD 1977 Jaguar XJ6 Coupe Antique Roadster 85K SOLD 1993 2.6 6 cyl 190 E 150k SOLD 1992 2.5 124 Turbo-Diesel 204k RIP 1992 124 300 TD 265K OIL PUMP QUIT @ 85MPH |
#2
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Try glowing your plugs for 30 seconds in one cycle before starting the engine. How did you check your glow plugs? I test mine for resistance through the relay connector when they're cold, and then once more right after glowing them. You should see 0.5 to 1.0 ohm cold, and much more when hot.
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2004 VW Jetta TDI (manual) Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL |
#3
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uh huh
yes i did the same thing when cold by checking the resistance from the
relay connector.. i will check them when they are hot.. i hate to replace all the glow plugs just for the heck of it.. besides #1 is really hard to get to
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1994 S-350 6cyl Turbo Diesel 158k 1998 300d 6 cyl Turbo Diesel 143K 1993 2.5 124 Turbo-Diesel 236 1990 2.5 124 Turbo-Diesel 228k 1983 SL-500 EURO W/HEATED SEATS 40K SOLD 1977 Jaguar XJ6 Coupe Antique Roadster 85K SOLD 1993 2.6 6 cyl 190 E 150k SOLD 1992 2.5 124 Turbo-Diesel 204k RIP 1992 124 300 TD 265K OIL PUMP QUIT @ 85MPH |
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