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Misfire, check engine light on M104, W210
I have a 1997 E320 that suddenly developed a misfire and the check engine light came on.....About a year ago I replaced the spark plug connectors and plugs. Is it possible that the plug connectors are bad already? I've read on this forum that they are a very common problem on W210s. Is there a way to take an ohm reading on the coil-packs to see if they are good or not?....I'm going to Autozone to get the codes scanned.......btw, what's the best spark plug (from you guys experience) for the M104 engine?...Is it true that when the ECM detects a misfire it shutsdown the associated injector?
Thank you in advance. ps, I've seen M104/W210 repair cds advertised on ebay.......Are they legitimate???.......Mercedes sure have changed a lot since my old 123 and 124 chassis.......You'd think that repair information would be available for a 1997 by now, huh?
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Currently Driving 2006 E320 CDI 1999 E300 Turbo Diesl 2002 ML500 1995 E320 Station Wagon MBs I've owned 1997 E320 Assassinated by Pine Tree 1987 300E Wife Killed Engine 1981 300D Stretch Limo Total Loss 1970 250 Coupe 212,000 mi. 1974 450sel 184,000 mi. 1974 240D 377,000 mi. 1977 300D 204, 000 mi. 1979 280se God Only Knows! 1983 240D 130,000 mi. 1972 220D 280,000 mi. 1983 300SD 244,000 mi. |
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how's the wiring harness?
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g-wagen |
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how's the wiring harness?
It was replaced in 2004.
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Currently Driving 2006 E320 CDI 1999 E300 Turbo Diesl 2002 ML500 1995 E320 Station Wagon MBs I've owned 1997 E320 Assassinated by Pine Tree 1987 300E Wife Killed Engine 1981 300D Stretch Limo Total Loss 1970 250 Coupe 212,000 mi. 1974 450sel 184,000 mi. 1974 240D 377,000 mi. 1977 300D 204, 000 mi. 1979 280se God Only Knows! 1983 240D 130,000 mi. 1972 220D 280,000 mi. 1983 300SD 244,000 mi. |
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<
Bosch Super Coppers F8DC4... No others |
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Autozone scanned codes
P306 - Cylinder 6 misfire
P301 - Cylinder 1 misfire P300 Random misfire Is it safe to assume that because cylinders #6 and #1 fire off of the same coil, that the coil is defective?????? OR should I first replace the spark plug connectors.....ps, installed F8DC4 Copper plugs - no change Thanks in advance
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Currently Driving 2006 E320 CDI 1999 E300 Turbo Diesl 2002 ML500 1995 E320 Station Wagon MBs I've owned 1997 E320 Assassinated by Pine Tree 1987 300E Wife Killed Engine 1981 300D Stretch Limo Total Loss 1970 250 Coupe 212,000 mi. 1974 450sel 184,000 mi. 1974 240D 377,000 mi. 1977 300D 204, 000 mi. 1979 280se God Only Knows! 1983 240D 130,000 mi. 1972 220D 280,000 mi. 1983 300SD 244,000 mi. |
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Quote:
If all else fails you will have a spare.
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2007 C 230 Sport. |
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Quote:
Swap coils , clear codes , and then see if codes follow coil .. |
#8
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Thanks fellas! Copped a Bosch coil from an Ebay store for 50 bucks and the car is running great!.....Also purchased a great new scanner off of ebay for 80 bucks! Many thank yous!
Happy Holidays!
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Currently Driving 2006 E320 CDI 1999 E300 Turbo Diesl 2002 ML500 1995 E320 Station Wagon MBs I've owned 1997 E320 Assassinated by Pine Tree 1987 300E Wife Killed Engine 1981 300D Stretch Limo Total Loss 1970 250 Coupe 212,000 mi. 1974 450sel 184,000 mi. 1974 240D 377,000 mi. 1977 300D 204, 000 mi. 1979 280se God Only Knows! 1983 240D 130,000 mi. 1972 220D 280,000 mi. 1983 300SD 244,000 mi. |
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