Dan, Skiier, and Jamie, thanks for the posts. Great tip on plug-sniffing. This morning I tried that several times, but gas smell was weak at best by the time I would get the plugs out. Still, I never did smell it at all on plug #1, even though it was the first removed. Injectors and seals were quite new, as I replaced them less than a year ago after deciding spray pattern on some was not the best. That move did not cure whatever the issue was at the time, so I knew the old batch was still usable. So, I swapped out an old one for the current #1 injector, and that has solved the problem. I guess it is back to stocking up on Techron from Costco!

Thanks a bunch for the advice everyone, it has saved me at least a lot of extra fretting and wasted time before getting our car back on the road!

Steve

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