Thanks, MB Doc. The next time I have the valve covers off, I'll try the pins.

EliotW, I think the code 19 is a common problem on 119 engines and it may not be what's causing your lack of power. I had a code 19 and my engine was running fine. Jim Forgione explains all about it on his web site.

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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles