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#1
03-04-2006, 06:43 AM
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'94 124 E300D stumbling after start up
this might just be down to unusually cold weather, but my 606-powered 124 will start to stumble a bit after the first cold start of the day. It starts fine, but after about 2-3 secs running sounds like it's mis-firing with the revs going up and down until I give it a bit of gas, then it smooths out after a few more seconds.
I recently changed 4 of the 6 glow plugs, which seemed to cure the bad 'chugging' I had on start-up before when moving off.
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1993 320TE M104 --------------------------------------------------- past: 1983 230E W123 M102 1994 E300D S124 OM606 (x2) 1967 250SE W108 M129 1972 280se 3.5 W108 M116 1980 280SE W116 M110 1980 350SE W116 M116 1992 300E W124 M103 1994 E280 W124 M104 ---------------------------------------------- "music and women I cannot but give way to, whatever my business" -Pepys 
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#2
03-04-2006, 07:30 AM
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You may possibly have an electrical circuit malfunction in your glow plug relay. In those model cars, the glow plugs are supposed to remain on for 30-60 seconds after the car starts to make sure it runs well in that time segment.
If your glow plug relay is not working right to keep the plugs on after start, you will get that rough running. Perhaps you can find another glow plug relay one to subsitute into the car as a test. Ken300D
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-------------------------- 1982 300D at 351K miles 1984 300SD at 217K miles 1987 300D at 370K miles
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#4
03-05-2006, 11:49 AM
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wiring harness is in ok condition, the 2 plugs I didn't change (cyl 3 + 4) were stuck- didn't want to risk them breaking. Had the glow plug relay apart and all looks well.
__________________
1993 320TE M104 --------------------------------------------------- past: 1983 230E W123 M102 1994 E300D S124 OM606 (x2) 1967 250SE W108 M129 1972 280se 3.5 W108 M116 1980 280SE W116 M110 1980 350SE W116 M116 1992 300E W124 M103 1994 E280 W124 M104 ---------------------------------------------- "music and women I cannot but give way to, whatever my business" -Pepys
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