I've had the car for about 2 years. Last Winter is when I really noticed it... just too rough running while warming up, which is why I thought it was a glowplug problem.

I realized injectors were relatively cheap... $45 each and ordered a couple to swap some around, take apart some and test that way. I'm interested in seeing what it will do.

I do change my oil regularly, about every 3K to 3.5K. I find the possibility of lifters, valves what have you an intriguing possibility. I get easily confused with those parts of the engine, having never taken apart a whole motor before. I will say I have not mentioned that my oil indicator light has recently been going off, but I think this is a ground problem and nothing to do with what we are talking about. I already lost my oil pressure gauge, glow plug light and am having problems with the fuel gauge for the same ground problem. Plus I've had the roughness problem long before any of that... In addition my dipstick tells me i've got plenty of oil so I don't think the oil level light plays into any of this.

I'll take ideas until then, but I might not have much progress to report until mid next week when the injectors come in.

Bill

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'87 300SDL, intensely modified Greasecar setup, with nickle plated heat exchanger, 3 valve setup, 312,000 miles
'95 Suburban diesel, Greasecar basics, 16 plate heat exchanger, mercedes fuel lines, Racor filter
'85 Renault Alliance converted full electric vehicle