No oil in the coolant reservoir, no water in the oil. From this I deduce any leakage (if it exists) to be extremely small. Yet if so, why the first-start issue? I have checked the ignition components, and see nothing there that would likely cause this symptom. The plug wires are fairly new, good integrity, and were previously working fine. I will have someone start the engine in the dark and look for signs of arc-over, though. Thanks, and any other thoughts?

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7